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elec

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电讯服务供应商和制造商

Telecommunication

Shenzhen Thinkrace Technology Co., Ltd

 GPS Location Tracker GPS Tracking Device Kids Elderly Personal GPS Tracker with Camera And Screen
Function  	 3G WCDMA&nbsp;Triple Bands and GSM Quads Bands, world wide network support. 	 GPS + GLONASS + AGPS + LBS + WiFi&nbsp;Multiple positioning. 	 1.3&quot; IPS screen&nbsp;240*240 Pixels supper LCD. 	 Two way communication, phone book. 	 One button for SOS. 	 Video shoot and take photos. 	 Voice monitoring. 	 Text Message view in LCD. 	 Track history playback. 	 Electronic fence.   Features  	 Waterproof, shock-proof, dust-proof. 	 Easy dis-/assembly clip. 	 Magnetic USB Cable, easy to charge. 	 1000mAh battery, more than 7 days working time.  

GPS Location Tracker GPS Tracking Device

Axestrack Software Solutions Private Limited

 Device Specifications  	 GSM : 850/900/1800/1900 Mhz 	 GPRS : Class 12, TCP/IP 	 Working Voltage : 11-55VDC (With Low Power Consumption for Optimization of Vehicle Battery) 	 GPS Fixed Precisions : 5-10m(Location Accuracy&lt;10m) 	 Temperature : -20C+70C 	 Humidity : 5%-95%RH&nbsp;  &nbsp; Special Features  	 High Quality Device 	 2 Years Replacement Warranty 	 Remote Cut-off(petrol/power) 	 ACC Detection 	 Ignition Control 	 SOS 	 400mAh Battery 	 Can Use any Digital sensor for digital input 	 OBD Interface  

GPS Vehicle Tracker

深圳市天地网电子有限公司

   Tracking via SMS or GPRS (TCP/UDP), multi-channels.   The monitor stuff real-time tracking. Please call the local the monitor center for the location of the vehicle. Tell them your password, they will tell where your vehicle is. Send the commands to the device; the device will give you the reply where you are now. And different commands for different request. Please read the commands list before you use.   Reply the current position when the second owner calls.   Real-time tracking via website: http: //www.gpsinn.com. Username and password is necessary.   Control platform is supported. It can control at least 10000 vehicles (optional).   Call the device via the first owner.   Arm status: call the device and it will hang up automatic. After few seconds, the device will call the first owner back and hang up automatic as well.   Disarm status: call the device and it will hang up automatic. The device will not call the first owner back any more.   The device calls the phone: use any of the cell phone send the command 111111MON to device. The device will call back the cell phone.   The device calls the appoint phone number: send the command 111111MON phone number &iexcl;&plusmn; to the device and the device will call the phone number. The phone owner can listen to what the driver said.   Use the cell phone call the device: send the command 111111MON phone number 1, phone number 2 to device, it will reply the same SMS, use the appoint phone number to call the device.   Remark: the first two ways just for one time used. Please set the command to the device before monitor. The third way can be remember in the device, Use the appoint phone number to call the device any time you want.   Alarm for starting the engine illegal: if the car start in the arm status, the device will send SMS to the owner of the car and the monitoring center engine ignited and stop the engine automatic. Disarm the car after the alarm, start the car again.   Alarm for opening the door illegal: if the door opens in the arm status, the device will send SMS to the owner of the car and the monitoring center door opened. Disarm the car after the alarm, relieve the alarm.   Shake alarm: in the arm status when the vehicle be shaken illegal, the device will send SMS to the owner of the car. Engine cut.   The owner can cutting off gas and power supply remotely.   Alert alarms: SOS panic button: when you are in danger, you can press this button.   Low battery alert: when the power is low, the device will alarm and send SMS to the owner.   Over-speeding alert: when the vehicle's speed is over than normal, it will alarm.   Move alert.   Working with vehicle original alarm.   Protocol: GpsGate protocol (optional).   Internal polymer lithium ion battery in the GPS-110ZS.  

Automatic Vehicle Location

深圳市世纪畅行科技有限公司

   GST201X is GPRS/GSM Model GPS intelligent terminal (Mobile user terminals) Built-industrial level GPRS/GSM communication module and the newest SIRF-Star III High-sensitivity GPS receiver module positioning, adopts GPRS and SMS Dual-mode communication, terminal run stable and reliable, Function-wide, multi-interface, the terminal can be applied to concrete, rental, logistics, public transport, bus and other fields, but also according to different industries, tailored to different users  Main features: 
   Terminal dimensions small, waterproof, easy installation   GPS positioning accuracy, dynamic positioning deviation is less than 5 meters   Support for GSM SMS and voice function under, GPRS state of UCP/TCP protocol communications   Support for GPS Data uploaded regularly and named functions   Support for silent features   Remote monitoring capabilities to support authorized   Support the acquisition and high voltage, low voltage protection   Support 3-way high-, low level signal detection   Support blind transfer function up   Car remote lock function   Support the emergency alarm   Support power-off alarm function (built-in backup battery)   Support for high-pressure alarm and under voltage alarm   Support speed alarm function   Support the parking alarm   Support the illegal open, illegal start alarm   Support the fatigue driving function   Statistical functions to support mileage   SMS alarm notification   Built-in 16MB Flash, can save 30 thousand blind track data  Specifications: 
   Hardware Data sheet   Work voltage   8VDC~36VDC   Work current   50mA~160mA   GSM module   Simcom300/340   inside contain frequency GSM 900/1800   inside contain frequency GSM 850/900/1800/1900Mhz (can be customized)   Communication protocol   UDP/TCP (can be customized)   GPS module   GPS JRC 595   GPS sensitivity   -159dBm   GPS frequency   L1, 1575.42 MHz   C/A coding   1.023 MHz chip rate   Channels   20 channels examine track   Position accuracy   10 meter, 2D RMS   Speed accuracy   0.1 meter/second   Time accuracy   GPS time synchronization   Default data   WGS-84   Recover   Average 0.1 second   Hot start   Average 1 second   Warm boot   Average 38 second   Cold boot   Average 42 second   Height limit   18,000 meter (60,000 feet) max   Speed limit   515 kilometer/second (1000 knots) max   Acceleration limit   Less than 4g  Standard accessories: 
   Host unit, power wires, GPS antenna, GPRS antenna, magic tape, warranty card, relay, warranty card receipt, certification  

Mini Car GPS Tracker with Relay Support Fuel Tank Sensor GST201X

珠海市威特森实业有限公司

Showcased here is car entertainment system that supports Bluetooth and GPS navigation. The car entertainment system boasts a 7&rdquo; 800 x 480 screen, ensuring vivid image presentation. It will surely offer lots of entertainment while you are on the go.
 
  RDS receiver. 
  USB port and SD card slots. 
  iPod compliant. 
  Built-in TV tuner. 
  Built-in DVB-T tuner (optional). 
  Built-in ISDB-T tuner (optional). 
  Steering wheel control function. 
 

Car Entertainment System

Highlighted here is an entertainment system that is specially designed for car use. It comes with a 7&rdquo; 800 x 480 display screen for brilliant image presentation. This car entertainment system is also designed with a built-in GPS navigation system for excellent performance.
 
  Built-in Bluetooth. 
  RDS receiver. 
  USB port and SD card slots. 
  iPod compliant. 
  Built-in TV tuner. 
  Built-in DVB-T tuner (optional). 
  Built-in ISDB-T tuner (optional). 
  Steering wheel control function. 
 

深圳富徽汽车科技有限公司

 Main features:  
   Screen display: WVGA 7inch 16:9 real color digital TFT-LCD screen, 800x480 pixels, full touch screen.   Main chipset: MStar MST785, &nbsp;&nbsp;   CPU processor: Cortex A9, frequency 1GHz, L1 Cache 32KB，L2 Cache 512KB，3D Graphic Engine   MCU: STM8S207   Memory: Samsung DDR3 256MB SDRAM, 1866 MHz   Operating system: Wince 6.0 net  

Suzuki Swift 2012 in Car DVD Player with GPS Navigation System

Automatic Vehicle Location  

深圳市维臣电子有限公司

This GPS tracker comes in a classical rectangular shape for easy installation. The light indicators are neatly arranged on the side for added user-friendliness. This GPS tracker is easy to set up and operate.
   Durable and functional.   Sensitive in response.  

Car GPS Tracker with External Antenna

   GPS, GPRS&nbsp;&amp; GSM mini tracker.   This mini GPS vehicle tracker is the most cost-effective tracking device to track your vehicle.   Very small in size, it can be installed in a very secret place.   The installation and usage is also very easy.  Features: 
   Anti-theft: automatically send SMS to your phone in case of theft.   Voice monitoring: monitor the voice around the car via telephone.   Cut off the car power/fuel supply by SMS, to stop the car.   Lock/unlock the car door by first phone owner.   Inquire the car's location, speed &amp; direction via SMS.   Two kinds of location information, user could locate the precise location by GPS.   At those place where there is no GPS signal, user could also locate the car by CPS system (located by GSM network).   Track the car by SMS or by software (the software is optional).   Anti-tamper design with backup battery, stable and reliable.   Flexible design, the system could work without the third party.   User can also set up a management center to supervise &amp; control many vehicles at the same time (optional).   If the car exceeds the limited maximum speed (overspeed alarm), or the car oversteps the certain territory (=Geo-fencing), the system will send SMS to warn the user. (Optional function of the management software).   SOS alarm (optional).   Shake sensor (optional).   Over speed alarm.   When the vehicle in the arm status, it will alarm when it move over 100m.   It can remind you when the alarm of the power-off and low power of the built-in battery (low power alarm).   Automatically send the position by the software.   GSM frequencies: 900MHz/1800MHz, or 850/900/1800/1900MHz.   Working voltage: + 12~20 VDC, or 24VDC.   Power Consumption: Idle current &lt;=60mA, Working current &lt;= 250mA.   Maximum sending power: 1W.   Working temperature: -30~70 degrees.   Humidity: 0~95%.   The time from alarm's triggering to receiving: &lt;=10 seconds.   Dimension of main unit: 7.5 x 5.4 x 2.5cm.   Net weight: 0.1kg.   Gross weight: 0.5kg.   Color: black/white.  Small order available:   MOQ: 1 piece.   Price: USD60/piece.   Lead time: 1 day.  

Vehicle Tracking System

   Applications: car alarms, real-time vehicle tracking, specially designed for private cars.   Tracking via SMS or GPRS (TCP/UDP), multi-channels.   The monitor stuff real-time tracking. Please call the local the monitor center for the location of the vehicle. Tell them your password, they will tell where your vehicle is.   Send the commands to the device; the device will give you the reply where you are now. And different commands for different request. Please read the commands list before you use.   Reply the current position when the second owner calls.   Control platform is supported. It can control at least 10000 vehicles.   Arm or disarm by the first owner.   Call the device via the first owner.   Arm status: call the device and it will hang up automatic. After few seconds, the device will call the first owner back and hang up automatic as well.   Disarm status: call the device and it will hang up automatic. The device will not call the first owner back any more.   This function will not create the cost of the phone calls. The device hand up automatic means that is the first owner called. The device call back automatic means that is in arm status.   Monitor function.   Alarm for starting the engine illegal.   Alarm for opening the door illegal.   Shake alarm.   Engine cut.   The owner can cutting off gas and power supply remotely.   Alert alarms.   SOS panic button: when you are in danger, you can press this button.   Low battery alert: when the power is low, the device will alarm and send SMS to the owner.   Over-speeding alert: when the vehicle's speed is over than normal, it will alarm.   Move alert.   Working with vehicle original alarm.   Protocol: GpsGate protocol (optional).   Internal polymer lithium ion battery in the GPS-110ZS.   GSM frequencies: 900MHz/1800MHz; or 850/900/1800/1900MHz.   Working voltage: +10~14V DC (24V DC is also OK if needed).   Power consumption: idle current: &lt;=50mA, working current: &lt;= 300mA.   Maximum sending power: 1W.   RF receiving sensitivity: -102dBm.   Working temperature: -20~80 degree celsius.   Humidity: 0~95%.   The time from alarm triggering to receiving: &lt;=10 seconds.  Small order available:   MOQ: 1 piece.   Price: USD110/piece.   Lead time: 1 day.  

Automatic Vehicle Locator

Applications: 
   Real-time online tracking.   Better for fleet management such as taxi, vehicle, rent cars, logistics truck.   Fuel monitoring.  Advantages: 
   We have our own server platform &amp; client software, all of which are developed by ourselves, and it is free for customers to enjoy the service.   Track the targets by time interval.   Real-time online tracking.   Track through mobile, computer, PDA, etc.   With internal memory, device can save at least 500 GPS coordinates for 24 hours when it's at GSM blind area.   It can cut off power/fuel supply of the car/vehicle/truck remotely through software if necessary.   It can monitor more than 9,000 cars at any time.   Movement alarm, geo-fence control.   GPS blind area alarm (in/out).   Two way communications.   Power-cut alarm if the device is turned off abnormally.   Software can make many reports on fuel consumption, ACC time, location, direction, speed, mileage, etc.   Automatically keep GPRS alive.   Playback history to get the tracking routine, the status of vehicle.   Build-in battery.  Features: 
   Real-time online tracking through Internet or software, can track the targets by mobile, computer, PDA, etc.   Because of the main communication of the system are GPRS and Internet.   It makes GPS products can monitoring uninterrupted and implementation for the second time in the car, GPS control center can achieve real-time traffic monitoring.   GPS Orientation, GPS receiver will get a complete routine.   Automatically report position/status.   Data content: vehicle status, ACC status, time, longitude &amp; latitude, speed, and direction.   Intelligent moving report (&gt;=20 seconds, &lt;= 5000 seconds).   Intelligent stopping report (automatically at every 3 minutes when stopping).   Engine running time recording (triggered by 6-16 volt input, time record up to 99999 hours exact to seconds).   History data store even power off.   The device with a memory chip to store up to 512 messages even if GPRS network signal is weak or unavailable, it can save tracking history for 24 hours.   History playback.   You can replay track history of the car whatever and whenever you want to know, including moving route, speed, mileage, ACC time, direction, fuel consumption.   Remotely modify vehicle setup.   Automatically keep GPRS alive.   Speed report.   Domain name setting.   Fox example: FFIP: &quot;TCP&quot;, &quot;WWW.ABC.COM&quot;, &quot;8010&quot;.   Geo-fence.   When unit is out of these predefined areas, a report will be generated to the monitor.   Cut off power/fuel supply to stop the car if necessary by monitoring software   SOS button for emergence help.   Waterproof bag (optional).   Monitor the oil/fuel: the fuel/oil that the vehicle consumes is automatically recorded; with the software, it will draw a complete report of oil/fuel consumption.   In this case, it will completely eradicate phenomenon such as stealing oil.   And the system will tell the fuel consumption, so that it may control the cost of oil/fuel.   It can connect the LCD.  

Queclink Wireless Solutions Co., Ltd.

The GV200 is a full featured GPS tracker designed for a wide variety of vehicle tracking applications. The GV200 has multiple input/output interfaces that can be used for monitoring or controlling external devices. It is supported by a wide variety of accessories. Its built in GPS receiver has superior sensitivity and fast time to first fix. Its quad band GPRS/GSM subsystem supports 850/900/1800/1900 MHz allowing the GV200's location to be monitored in real time or periodically tracked by a backend server and mobile devices. Its built in 3-axis accelerometer allows towing detection. System integration is straightforward as complete documentation is provided for the full featured @Track protocol. The @Track protocol supports a wide variety of reports including; emergency, geo-fence boundary crossings, low battery or scheduled GPS position and many other useful functions.

 Features:    Wide operating voltage range 8 to 32V DC   Internal u-blox chipset   Low power consumption, long standby time with internal battery   Quad band GSM/GPRS 850/900/1800/1900 MHz   Embedded full-featured @Track protocol   Multiple input/output interfaces for monitoring and control   Internal 3-axis accelerometer for power saving and motion detection   Three analog inputs for external sensor   Internal or optional external GSM antenna   Internal or optional external GPS antenna   CE certified  

Full Featured Vehicle Tracker

Noran International Technology Co.,Ltd

GSM&nbsp;module:   Band:850/900/1800/1900MHz   Max&nbsp;RF&nbsp;Output:&nbsp;33.0dBm&plusmn;2dBm   Dynamic&nbsp;Input&nbsp;Range:&nbsp;-15&nbsp;~&nbsp;-102dBm  GPS&nbsp;module:&nbsp;   GPS&nbsp;chip&nbsp;set:&nbsp;SiRF&nbsp;Star&nbsp;III   Frequency:&nbsp;L1,&nbsp;1575.42&nbsp;MHz   Number&nbsp;of&nbsp;Channel:&nbsp;20  Battery:&nbsp;   Voltage:3.7V   Charge:&lt;4.2V   Li-ion:&nbsp;200mAh  &nbsp;&nbsp;&nbsp;&nbsp;Input&nbsp;Voltage:&nbsp;DC&nbsp;6~36V
&nbsp;&nbsp;&nbsp;&nbsp;Operating&nbsp;Temperature:&nbsp;-45~65℃
Features:   Wireless&nbsp;GPS&nbsp;Tracker&nbsp;with&nbsp;OBD&nbsp;II&nbsp;interface   Real-time&nbsp;locating&nbsp;/&nbsp;inquiry&nbsp;   Track&nbsp;by&nbsp;SMS/GPRS&nbsp;   Track&nbsp;on&nbsp;Demand   Track&nbsp;by&nbsp;Time&nbsp;Interval   Track&nbsp;by&nbsp;Distance&nbsp;Interval   Track&nbsp;on&nbsp;Mobile&nbsp;Phone   Over&nbsp;Speed&nbsp;Alert   Geo-fence&nbsp;Alert   Audio&nbsp;Monitor   Power&nbsp;Cut&nbsp;Alert  

Wireless GPS Tracker with OBD II Interface

GATOR GROUP CO LTD

Functions:   Small size and easy for installation.   Real-time track by web system.   SMS configuration and communication.   Listening monitoring.   Able to re-upload the location data in the condition that the GSM signal is weak.   Disable or enable engine remotely.   Detect the ignition on/off, door open/close, Air-condition on/off etc.   Record mileage information.   History playback.   Emergency alarm.   Power-off alarm.   Over-speed alarm.   Idling alarm.   Parking alarm.   Moving alarm.   Acceleration alarm.   Illegal door open alarm.   Geo-fence alarm.   Fatigue driving alarm.  Parameters:   Hardware parameter.   working voltage 8VDC～36VDC.   Working current 50mA~160mA.   GSM module inside contain frequency GSM 900/1800.   inside contain frequency GSM 850/900/1800/1900Mhz (can tailor).   Communication protocol UDP/TCP(can customize).   GPS module GPS JRC 595 with SIRFⅢchipset.   GPS sensitivity -159dBm.   GPS frequency L1, 1575.42 MHz.   C/A coding 1.023 MHz chip rate.   Channels 20 channels for tracking.   Position accuracy 10 meter, 2D RMS.   Speed accuracy 0.1 meter/second.   Time accuracy GPS synchronization.   Default data WGS-84.   Recover Average 0.1 second.   Hot start Average 1 second.   Warm start Average 38 second.   Cold start Average 42 second.   Height limit 18,000 meter (60,000 feet) max.   Speed limit 515 kilometer/second (1000 knots)max.   Acceleration limit Less than 4g.   Expansion peripheral Peripherals can be accessed by an extension (such as: Handset /dispatch screen / camera etc.)  Others:   Work temperature -20&deg;～70&deg; C.   Storage temperature -30&deg;～85&deg; C.   Humidity 5% ～95% non-condensing.   Terminal size 10.1&times;5&times;2.4 cm.   Inside battery Continuing working not less than 4 hours.   LED light Red: MCU status; yellow: module status.  

GPS Vehicle Tracker M528

China Aerospace Telecommunications Limited

 	 Pet GPS tracker with 3-5 days standby time  

Pet GPS Tracker

Shenzhen Reachfar Technology Company Limited

 	 Real time tracking. The user can manage it remotely 	 120 x 65 x 50mm 	 ABS  

GPS Tracker

Globalsat Tech Corp

Showcased is a potent personal GPS tracking device that boasts a compact and portable design. This excellent tracing device is equipped to pinpoint its exact location and display it&nbsp;through map software. This reliable device is an excellent device for extended trekking activities.
 
  Designed to display longitude and latitude coordinates. 
  Available in various designs. 
 

Personal GPS Tracking Device

Hong Kong Caiqin Electronics Elements Co Ltd.

This is a compact GPS system. The module has 1575MHz and LNA 27db. The module has internal type and external type 	 Available in a range of sizes 	 Voltage: 3V 	 With MCX, MMCX, SMA connector 	 Antenna module  

Internal Active Module

fleetfinder

Fleetfinder FM is a GPRS and GPS tracking module. It is capable of transmitting periodic data via GSM or GPRS at set intervals. The location, speed and direction can also be transmitted in the SMS format.
 
  Real time or periodic logged data can be tracked on mapping software. 
  The fleetfinder is easily programmed for specific requirements. 
  The changes to the fleetfinder setup can be done by sending SMS commands to the module. 
  It can be remotely monitored and controlled.&nbsp; 
  It is ideal for fleet, vehicle, equipment, asset tracking and security. 
 

Fleet Tracking Module

Securinex Inc.

This is a vehicle tracking device that boasts a sleek and streamlined appearance. It is well engineered to deliver reliable and stable performance. The robust housing can withstand daily wear and tear.
 
  Combination of GSM/GPRS wireless network. 
  Easy to install or hide in the vehicle to perform tracking ideal application for vehicle tracking and equipment/assets monitoring. 
  Internal battery backup Firmware updating over the air. 
  Real-time GSM location monitoring on SMS. 
  Vehicle control with immobilization. 
  Waterproof enclosure (IP67). 
  Built-in GSM, GPS, antenna. 
  Power input: 12-36V. 
  Normal operation temperature: -30-80℃. 
  Restricted operation temperature: -40 to -30℃ and +80 to +85℃. 
  Storage temperature: -45-90℃. 
  Humidity: 5-95%. 
  GSM module. 
  Dual/quad band: GSM 850/900/1,800/1,900MHz. 
  GPRS multi-slot class 10/8. 
  GPRS mobile station class B. 
  Class 4 (2W @ 850/900MHz). 
  Baud rate: 9,600bps. 
  GPS module GPS receiver: 50 channels. 
  Frequency: L1, 1,575.42MHz. 
  Chipset: uBlox UBX G-5010. 
  Accuracy: less than 2.5 meters, 2D RMS. 
  Sensitivity: 160dBm. 
 

Vehicle Tracking Device

Minarch Overseas Private Limited

The &quot;Simply&quot; is a vehicle tracking system for fleet and asset management. It is engineered to deliver reliable performance with high stability. The robust and strong structure promises a long service life.
 
  GSM based solution. 
  Location status SMS. 
  Alert SMS. 
 

Atlanta Systems Pvt. Ltd.

This vehicle tracking system is a GPS/GSM-based device. It is used for tracking fleets, car security, taxi dispatch, etc. This system is assembled with a sturdy black casing to endure long use.
 
  Easy to use. 
  Stable performance. 
 

   Fleet Management for Car, Taxi, Bus, Truck etc.  Functions:   Small size and easy for installation.   Real-time track by web system.   Two way voice and SMS communication.   Configuration through three different ways such as SMS, computer, and peripheral.   Listening monitoring.   Able to re-upload the location data in the condition that the GSM signal is weak.   Disable or enable engine remotely.   Detect the ignition on/off, door open/close, Air-condition on/off etc.   Fuel monitoring and temperature monitoring.   Record mileage information.   History playback.   Dispatching for taxi, bus, logistics trucks.   Emergency alarm.   Power-off alarm.   Over-speed alarm.   Idling alarm.   Parking alarm.   Moving alarm.   Acceleration alarm.   Fuel changing alarm.   Temperature changing alarm.   Illegal door open alarm.   Geo-fence alarm.   Fatigue driving alarm.   1 RS232 serial port are able to support Camera, Dispatch screen, Handset, LED, etc.  Parameters:   Hardware parameter.   Working voltage 8VDC～36VDC.   Working current 50mA~160mA.   GSM module inside contain frequency GSM 900/1800.   Inside contain frequency GSM 850/900/1800/1900Mhz (can tailor).   Communication protocol UDP/TCP(can customize).   GPS module GPS JRC 595 with SIRFⅢchipset.   GPS sensitivity -159dBm.   GPS frequency L1, 1575.42 MHz.   C/A coding 1.023 MHz chip rate.   Channels 20 channels for tracking.   Position accuracy 10 meter, 2D RMS.   Speed accuracy 0.1 meter/second.   Time accuracy GPS synchronization.   Default data WGS-84.   Recover Average 0.1 second.   Hot start Average 1 second.   Warm start Average 38 second.   Cold start Average 42 second.   Height limit 18,000 meter (60,000 feet) max.   Speed limit 515 kilometer/second (1000 knots)max.   Acceleration limit Less than 4g.   Expansion peripheral Peripherals can be accessed by an extension (such as: Handset / dispatch screen / camera etc.)  Others:   Work temperature -20&deg;～70&deg; C.   Storage temperature -30&deg;～85&deg; C.   Humidity 5% ～95% non-condensing.   Terminal size 10.1&times;6&times;2.4 cm.   Inside battery Continuing working not less than 4 hours.   LED light Red: MCU status; yellow: module status.  

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