Electronics

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Electronics Suppliers and Manufacturers

Telecommunication

elec

Find Telecommunication from the best B2B online marketplace. Find a reliable Telecommunication supplier, vendor, manufacturer or distributor to get free quote on HKTDC Sourcing.

Telecommunication Suppliers and Manufacturers

WING CHEONG ELECTRICAL CO LTD

  Amplifier Specifications:  a.. Adaptability   new circuitry compatible with Single=line, Multi-line and PABX Telephone System  b.. Sound Quliaty   new circuitry to remove radiation emission which causes noise  c.. Connect to youe telephone base unit and computer sound card by one quick switch  Choice to use telephone headset or hadset by one quick switch  e.. 6-slot Configuration Switch for all telephones  f.. Auto Battery-Power Saving function  g.. Quick muting button  h.. Switch between telephony and multimedia applications with one switch  i.. AC/DC Power option (AA*2)  j.. FCC, UL, CE Approval granted  Headset Specifications:  a.. Monaural Telephone Headset  b.. Dynamic output with 40mm Mylar Speaker, impedance: 150-ohm  c.. 270-degree rotatable and bendable microphone boom arm  d.. Leatherette ear cushion  e.. Quick disconnecting cable with RJ-11modular  Accessories: a.. Telephone Patch Cable; b.. Computer Patch Cable; c.. Screw Driver Pin  

Telephone Amplifier

Ocvaco Electronic Ltd

   It is a talking control unit for telecommunication.   Stereo headset with microphone can be installed inside the helmet.   It can connect to CD, MP3 player for stereo music during motor cycle riding.   A portable walkie-talkie can communicate with other motor team member.   It can be treated as a mobile phone for telephone calls.   Music will stop during telephone conversation.   It is handy and easy to control with tiny size.   Different cables are provided for different purpose use.   It is suitable for outdoor use as well as teenagers and adults use.  

Motor Talkie

HUNG TAT INT'L (HK) LTD

   It is an indoor wireless telephone handset that auto-recharges when returned to dock.   Its transmission signals are strong and are able to cover most homes.   Quality plastic housing and rubber buttons that enhance articulation   Built-in battery of long life-cycle   Built-in phonebook   Handsfree speaker   Intercom with desktop unit   Redial, flash and call-waiting function  

Digital Cordless Telephone

Picotronics Ind Ltd

 	 Simple telephone facility with headset operation 	 Loop disconnect or DTMF signaling (selectable) 	 Mixed mode signaling 	 Earth loop and timed break recall 	 Handset push to mute facility or optional push to speak (in handset mode only) 	 Base unit latchable mute, with LED indication 	 Wall&nbsp;mountable 	 Ringer off/lo/hi control 	 Ringer pitch control 	 Pause entry in dialing sequence 	 Message waiting 	 Available colors: black or white  

Business Headset Telephone

Shenzhen Comfortcomms Electronics Co., Ltd.

   Wireless headsets provide an easier and neat solution for small office staff who wish to have the option of full mobility around their office while continuing the call that they are on.   The modern wireless headset uses the latest 2.4GHz technology to ensure that the signal transmitted between the base unit and the headset is as clear as possible.   The base unit, if supplied with the headset, usually acts as a charger ensuring that the headset is fully functional whenever it is needed.   Wireless headsets come in a range of styles including over the head and over the ear.   Supply a range of wireless headsets as a leading manufacturer.   Be sure to keep your office neat and tidy with an investment in wireless headsets.   2.4GHz wireless protocol, clearer calls, and less interference.   Integrates your PC and desk phone providing hands free communications, compatible with most multi-line phones.   Extremely lightweight and comfortable, up to 8 hours of talk time and range up to 300ft.   Handset lifter included, enable answering and ending calls when you are away from your desk.   Convertible headset can be worn on either ear and quickly converts between over-the-ear and over-the-head wearing.   Noise canceling microphone cuts 60-70% of background noise.   Package contents: headset, ear-loop, headband, base, AC charger, handset lifter, telephone cord, USB cord.  

Wireless Call Center Headset System

Wonderful Cloud Ind'l Co Ltd

Features:   Automatic photo taking and video recording when the doorbell rings.   Night vision function automatically generates light to capture images in dim environments.   Smart energy saving mode to extend battery lifetime.   Simplified DIY design allows easy assembly and disassembly to save time, money and labor.   Large color screen easily viewed by children &amp; elderly.   &quot;Do Not Disturb&quot; and &quot;Nighttime&quot; mode settings available to leave out disturbance during rest or sleep.   Sleek contemporary design.  Technical data:   0.3 mega pixels 1/6.5&quot; CMOS sensor IC, 65 degree viewer.   3.2 inch high resolution TFT panel, RGB* 320 x 240.   Power supply: 4 pieces of AA dry battery.   No power consumption in standby mode.   Up to 1,500 times turn/on lifetime.   Built in 2MB memory stores up to 25 photos.   Micro SD card: supports max 32GB.   Working temperature: -10℃ ~ 65℃.   Indoor monitor dimension: (H)130 x (W)112 x (D)17mm.   Peephole dimension: (H)61 x (W)61 x (D)23mm.  

Door Viewer

Shenzhen Voptel Techonology Co Ltd

   VG3X is a perfect product for the telecom carriers to provide the residential telephony and fax services through the broadband networks such as FTTB, HFC, and ADSL. VG Series Gateway can be connected to the traditional PBXs to provide the voice solutions for enterprises, government, and schools. VG series gateway can also serve as a remote SIP terminal for IP-PBX solutions. VG series gateway is powerful hardware platform provides sufficient power for IP packetization, voice compression and echo cancellation even when the voice traffic is at the peak.   VG series gateway is based on the embedded Linux operating system. With its powerful hardware platform and flexible software design VG Series Gateway can meet various voice application requirements.  Key features:
   Line configuration: 2 FXS analog ports.   2 FXO/2FXS analog ports, 1FXS/1FXO analog port Line Configuration.   Voice processing: voice codec: G.711ALaw, G.711Ulaw, G.729 (Note1) and G.729B (Note1).   Echo cancellation: G.168; Tail Length: 64 milliseconds.   Dynamic jitter buffer; voice activity detector (VAD); and comfort noise.   end user features: generator (CNG).   Fax processing: caller ID, call forwarding, call waiting, hotline, prefix dialing, DND.   Billing: T.30, T.38 fax relay.   Configuration methods: radius interface; polarity reverse.   Web based user interface; text based configuration.   Remote Provisioning: HTTP/web, auto provision, remote configuration, software upgrade, collects.   log files.  Signaling:
   Off hook detection: FXS loop start, DDI (Hong Kong).   VoIP protocol: SIP (RFC3261), MGCP (RFC2705) 3GPP TS 24.228, TS 24.229.   DTMF: in-band: RFC2833, INFO (SIP).  Other special feature:
   Auto dial: DTMF mode.   Dual telephone number: FXS port can have two number for incoming calls (PSTN and extension).   Redundancy SIP server: the gateway can be configured and controlled by multiple soft switches.   Fashion ringing tones: can download and store 20 music files.   Hardware:   Maximum user line length: 3000 meters.   Ringer equivalence number: 5 for short loop (300 meters), 3 for medium loop (1500 meters).   Ringing voltage: 60V RMS.   Line interface: RJ11.   Ethernet interface connector: 2 RJ-45 10/100 base-T port.   Internal memory: 32MB.   Flash memory: 4MB.   Input voltage: 110～240V AC, 50～60Hz, input current 1A max.   CPU: ATMEL AT91SAM9G20B with 400MHz.   Power consumption: 5V/3A DC (A AC/DC convector is provided).   Dimension (H x W x D): 150 x 109 x 30 millimeters.   Weight: 0.3kg.   Environment requirement:   Operation environment: between 0～40℃ and humidity between 10%～95% (non condensing).   Non operation environment: 10～60℃.   Weight and size:   Unit weight (kg): 0.44.   L: 24.   W: 17.   H: 6.   Unit volume weight (kg): 0.5.  

VoIP Voice Gateway with 2 FXS/FXO Port

CPR Global Tech Ltd

This call blocker is suitable for anyone wanting to put a stop to unwanted nuisance calls. It has built-in number list and offers a block now function. The blocking functions of this call blocker are programmable to suit your needs.

Features: 	 Built-in number list: The CPR call blocker is pre-programmed with more than 200 numbers which are &#39;deemed&#39; as known nuisance callers. Companies which are selling by phone, using overseas call centers and automated sales lists are all pre-programmed which will minimize the sales calls you receive almost immediately. 	 Block now function: The &lsquo;block now&rsquo; button is located on the top of the unit. At the touch of a button the unwanted caller&rsquo;s number is logged into the unit&rsquo;s memory, the call will hang up and the number will be blocked permanently. This feature allows you to block up to 1000 unwanted callers as they are calling you. 	 #2 Blocking function: Block a number by entering #2 on any DECT handset connected to the telephone base. 	 Manual entry: Manually enter or remove numbers to/from the blocking list.  
Programmable functions: 	 Private blocking function: This will reject all calls shown as PRIVATE. 	 Unknown blocking function: This will reject all calls shown as UNKNOWN. 	 International blocking function: This will reject all calls shown as INTERNATIONAL. 	 &quot;0&quot; type calls blocking function: This will reject all calls shown as multiple 000s or variations of fake numbers. 	 VOIP blocking function: This will reject all VOIP style internet nuisance callers. 	 Last calling number blocker: This will block the last visible number from your call log. 	 Area code blocker: This will block the area code of a calling number or the first 2, 3, 4 or 5 digits etc. of any number.  &nbsp;
In the box:&nbsp; 	 1 x CPR V108 call blocker, 1 x RJ11 line splitter, 1 x 2M RJ11 line cable, 1 x 0.25m RJ11 line cable, 1 x user manual. 	 EAN: 501011110119.  

CPR V108 Call Blocker

   VG4X VoIP gateway is one product of VoIP VG series by VOPTech. It is a carrier class VoIP gateway. Carriers and enterprises can use it to provide regular phone, fax, and IP Centrex services through broadband networks. VG4X guarantees a smooth transition to NGN (Next Generation Network), therefore protects your long-term investments. When fully configured.   VG4X is designed to meet the VoIP demands of telecom-munications carriers, value-added service providers, and mid-to-large-sized enterprises. Installed in a highly compact 1U chassis, and two power feeds (so end-users have the options to use one or two 70W power supply to protect system from power surge and to provide redundancy).  Key features:
   Line configuration: up to 48 ports, can be FXS + FXO mixed ports mode.   Voice processing: voice codec: G.711, G.729A, G.723.1, GSM, iLBC.   Echo cancellation: G.168; Tail Length: 64 milliseconds.   Dynamic jitter buffer; voice activity detector (VAD); and comfort noise.   End user features: generator (CNG).   Fax processing: caller ID, call forwarding, call waiting, hotline, prefix dialing, do not dist.   Billing: T.30, T.38 fax relay.   Configuration methods: radius interface; polarity reverse.   Web based user interface; text based configuration&quot;.   Remote provisioning: HTTP/web, auto provision, remote configuration, software upgrade, collects log files.  Signaling:
   Off hook detection: FXS loop start, DDI (Hong Kong).   VoIP protocol: SIP (RFC3261), MGCP (RFC2705) 3GPP TS 24.228, TS 24.229.   DTMF: in-band: RFC2833, INFO (SIP).  Other special feature:
   Auto dial: DTMF mode.   Dual telephone number: FXS port can have two number for incoming calls (PSTN and extension).   Redundancy SIP server: support up to 10 SIP servers to enhance system reliability.   Fashion ringing tones: can download and store 20 music files.  Hardware:
   Maximum user line length: 3000 meters.   Ringer equivalence number: 5 for short loop (300 meters), 3 for medium loop (1500 meters).   Ringing voltage: 60V RMS.   Line interface: RJ45, per RJ45 provide 4 phone lines.   Ethernet interface connector: RJ-45 10/100 Base-T.   Internal memory: 128MB.   Flash memory: 16MB.   Input voltage: 110～240V AC, 50～60Hz, input current: 1A max.   DSP: TI 320VC5509A.   CPU: Motorola PowerQuicc8247.   Power consumption: main unit 70W (max.), expansion unit 55W (max.).   Dimension (H x W x D): 4.4 x 44 x 30cm.   1U height, 19&rdquo; Chassis.   Weight: net weight: 9kg, gross weight: 14kg.   Environment requirement:   Operation environment: between 0～40℃ and humidity between 10%～95% (non condensing).   Non operation environment: 10～60℃.  Package:
   Unit weight (kg): 4.04.   L: 53.   W: 37.   H: 15.   Unit volume weight (kg): 5.9.  

VoIP Gateway

Kingtel Corporation

Featured is a DECT/DECT 6.0 big-button emergency phone with a portable talking pendant. It is specifically designed to minimize the negative impact&nbsp;on people who stay alone. The product provides an exceptional security mechanism in emergent cases that pre-programmed telephone numbers are dialed in sequence automatically through one touch of the SOS button on the portable pendant or on the base unit. Then pre-recorded alert message is played once the call is answered, undesired emergencies are thus prevent from happening in advance.
 
  With interference-free communication. 
  Adjustable amplified corded handset volume up to 30dB gain for comfortable listening. 
  3 emergency one-touch keys. 
  With 10 alarms for medication reminder. 
  Maximum 4 portable pendants per base. 
  Water-resistant design. 
  Hearing-aid compatible. 
  Up to 10 preset numbers will be dialed in sequence after pressing the SOS key. 
  Low battery indication &amp; warning tone. 
  Outdoor range up to 200m. 
  Auto standby up to 200 hours; talking up to 8 hours. 
  5 adjustable handset and speaker volume level. 
  5 adjustable ringer volume level and off. 
  10 outgoing number review and redial. 
  80 phonebook entries (12 characters for each name, 24 digits for each number). 
  On-hook pre-dial and dial number editing. 
  Adjustable flash time (100/300/600/1,000ms). 
  Adjustable receiving tone (optional) caller ID. 
  FSK/DTMF. 
  Call-waiting caller ID. 
  Backlight LCD display. 
  5 adjustable LCD contract level. 
  100 caller ID memories for incoming/missed calls. 
 

DECT/DECT 6.0 Emergency Phone

This newest call blocker features a 3 inch caller display screen, large &quot;block now&quot; button, 5000 pre-programmed number list and a 1500 number blocking capacity. It has the ability to block unwanted callers from cordless DECT extension handsets by pressing #2. The call blocker is easy to control and offers a wide variety of functions for blocking calls.
&nbsp;
Features:&nbsp; 	 Easy to use controls: With CPR call blocker&#39;s easy to use control buttons you can view the callers number on its large 3 inch display and view the blocked number list as well as see how many times that blocked number has tried to recall. If required, blocked numbers can be easily removed from the block list using the delete button (see images above). 	 Built-in number list: The CPR call blocker is pre-programmed with more than 5000 numbers which are &#39;deemed&#39; as known nuisance callers. Companies which are selling by phone, using overseas call centers and automated sales lists are all pre-programmed which will minimize the sales calls you receive almost immediately. 	 Block now function: The &lsquo;block now&rsquo; button is located on the top of the unit. At the touch of a button the unwanted caller&rsquo;s number is logged into the unit&rsquo;s memory, the call will hang up and the number will be blocked permanently. This feature allows you to block up to 1000 unwanted callers as they are calling you. 	 #2 blocking function: Block a number by entering #2 on any DECT handset connected to the telephone base. 	 Manual entry: Manually enter or remove numbers to/from the blocking list.  &nbsp;
Programmable functions: 	 Private blocking function: This will reject all calls shown as PRIVATE. 	 Unknown blocking function: This will reject all calls shown as UNKNOWN. 	 International blocking function: This will reject all calls shown as INTERNATIONAL. 	 &quot;0&quot; type calls blocking Function: This will reject all calls shown as multiple 000s or variations of fake numbers. 	 VOIP blocking function: This will reject all VOIP style internet nuisance callers. 	 Last calling number blocker: This will block the last visible number from your call log. 	 Area code blocker: This will block the Area code of a calling number or the first 2, 3, 4 or 5 digits etc. of any number.  &nbsp;
In the box: 	 1 x CPR V5000 call blocker, 1x RJ11 line splitter, 1 x 2M RJ11 line cable, 1 x 0.25m RJ11 line cable, 1 x user manual. 	 EAN: 5074512115106.  

CPR V5000 Call Blocker

SHENZHEN E-WORLD CO LTD

   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

Insight International Enterprise Limited

   Simple one button operation turns screen on giving you a peephole view.   Fits any door thickness.   Easy installation.   Door peephole viewer with 2.8 inch.   Color TFT LCD screen.   0.3 mega pixels CMOS sensor.   Attached to existing peephole.   Barrel with easiest installation.   Easy one-button operation power on.   30 seconds auto power off.   4 x AA batteries operated.  

Door Viewer with 2.8” LCD

VG5X VoIP Gateway is one product of VoIP VG series by VOPTECH. It is a carrier class VoIP gateway. Carriers and enterprises can use it to provide regular phone, fax, and IP Centrex services through broadband networks. VG5321 guarantees a smooth transition to NGN (Next Generation Network), therefore protects your long-term investments. When fully configured

VG5X is designed to meet the VoIP demands of telecom-munications carriers, value-added service providers, and mid- to -large -sized enterprises. Installed in a highly compact 1U chassis, and two power feeds (so end-users have the options to use one or two 70W power supply to protect system from power surge and to provide redundancy).

VG5X adopts embedded Linux operating system. Equipped with powerful hardware configuration and controlled by sophisticated software, the system supports multiple functions and provides solutions to a variety of application demands. In addition to supplementary functions like fashion ringing tones, Caller ID, Call Forwarding, and Call Waiting, it also supports features like, Routing, RADIUS Billing nterface, Broadcasting Second-stage


 Key Features 

Line Configuration Up to 96 ports, can be FXS + FXO mixed ports mode

Voice Processing Voice Codec: G.711, G.729A, G.723.1, GSM, iLBC
Echo Cancellation: G.168; Tail Length: 64 milliseconds
Dynamic Jitter buffer; Voice Activity Detector (VAD); and Comfort Noise Generator (CNG)

End user features Caller ID, Call Forwarding, Call Waiting, Hotline, Prefix Dialing, Do Not Disturb

Fax processing T.30, T.38 fax relay

Billing RADIUS Interface; Polarity reverse

Configuration methods Web based user Interface; Text based configuration

Remote Provisioning HTTP/WEB,Auto Provision, Remote Configuration, software upgrade, collects log files


 Singaling 

Off Hook Detection FXS Loop Start, DDI (Hong Kong)

VoIP Protocol SIPRFC3261), MGCP (RFC2705) 3GPP TS 24.228,TS 24.229

DTMF In-Band RFC2833,INFO (SIP)


 Other Special Feature 

Auto Dial DTMF mode

Dual Telephone Number FXS port can have two number for incoming calls ( PSTN and extension)


 Hardware 

Maximum User Line Length 3000 Meters

Ringer Equivalence Number 5 for short loop (300 meters), 3 for medium loop (1500 meters)

Ringing Voltage 60V RMS

Line interface RJ45, Per RJ45 provide 4 phone lines

Ethernet Interface Connector RJ-45 10/100 Base-T

Internal Memory 128 MB

Flash Memory 16 MB

Input voltage 110240V AC,5060Hz,Input current 1AMP Max

CPU Motorola PowerQuicc 8247

DSP TI 320VC5509AFeaturesNetwork

Power consumption Main unit 70W (Max),Expansion unit 55W (Max)

Dimension (H x W x D) 4.4&times;44&times;30 cm 1U height ,19 Chassis

Weight Net Weight7Kg,Gross weight 9Kg


 
 


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