Electronics

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

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

Venture Global Ltd

Suitable for homes / small offices / warehouses / clinics to useTransmits voice signal up to 300m / 1000ft4 channels selectable and able to expand up to 16 indoor stationsMulti-functional operating modes include broadcasting, private talk, hands-free monitoring, door lock release

Wireless Intercom

Wireless Intercom for homes and offices with multiple functions

Ronghangda Co Ltd

   Converse with visitors and unlock the door remotely.   Adjustable volume of the ringing, call signal sound with electronic chime (ding dong).   2 wires hand-set non-visual intercom door phone with 2 units.   Auto shut down time: 45 seconds.   Installation method: wall-hung type.  Indoor unit:
   Type: hand set, non-visual, 2 wires.   Power supply: DC135V + 1A.   Power consumption: maximum 10.5W, standby 0.5W.   Ambient temperature: 0&deg;C to 50&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 45dB.   Call signal sound: electronic chime (ding dong).   Maximum cable length: 100m.   Installation: wall-hung type.   Hand set unit weight: 0.15kg.   Dimension and weight: 195mm x 92mm x 32mm, 0.18kg.   Dimension&amp;weight (with hand set unit): (195+68) mm x 92mm x (32+13) mm, 0.33kg.  Outdoor unit:
   Cover: silver aluminum outdoor with prevent splashing.   Power supply: DC 10-12V.   Power consumption: maximum 1.2W, standby 0.1W.   Ambient temperature: -10&deg;C to 50&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 45dB.   Installation method: wall-hung or inlay-in type.   Dimension: 191 (h) mm x 114 (w) mm x 49 (d) mm, 0.30kg.   Embed dimension: 160 (h) mm x 94 (w) mm x 32 (d) mm.   Including in one kit: one indoor monitor, one outdoor station, one adapter, one English user manual and one bag of screws.  

Audio Intercom System

Audio Intercom System for remote communication and door unlocking

The audio door phone showcases a simple push-to-talk communication system. It features a wall-mountable push bell. This audio door phone with a modest design blends into your home decor effortlessly, making it an aesthetic and functional piece for your home. 	 Intercom with sharp and clear audio sound. 	 Power source: 6V&nbsp;DC adaptor or 4pcs of C batteries.  

Audio Door Phone Intercom System

Audio Door Phone Intercom System with clear audio sound

Power Line Carrier (PLC) Intercom - Streaming voice over electrical Power Line&nbsp;
<ul>
	<li>Plug and use.</li>
	<li>Do not need installation.</li>
	<li>Easy to move stations from room to room.</li>
	<li>AC operation, do not need to replace batteries.</li>
	<li>Wide operation voltage 100V-240V AC, 50Hz-60Hz.</li>
	<li>Use on your desk top or mount on the wall.</li>
	<li>FM operation ensures low-noise transmission.</li>
	<li>Cross phase operation design (can operation on 3 phase power system).</li>
	<li>4 channel design to avoided interference.</li>
	<li>Soft touch keys.</li>
	<li>Switch power supply to reduce the power consumption.</li>
	<li>Power on/off switch to save power.</li>
	<li>8 step digital volume control.</li>
	<li>Direct press to change channel.</li>
	<li>Press to talk two way communication.</li>
	<li>Lock function for room monitor.</li>
	<li>Night illumination on all keys-easy to find the button at night.</li>
	<li>Brightness illumination when key press.</li>
</ul>


PLC Intercom

PLC Intercom for easy voice communication over power lines

 	 Indoor unit(physical button): 	 Cabling: 2 wires between the indoor unit and the outdoor unit 	 Ringtones: 12 modulated melodies 	 Power Supply: 13.5V DC adaptor surface-mounted 	 Outdoor unit: power supply: via the indoor unit 	 Colour: aluminium silver(Metal) 	 7.0pt;line-height:115%;font-family: &quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333;background:white&#39;&gt;Power supply: via the Monitor 	 Type &amp; viewing angle: C-MOS 72&deg; 	 Night vision: invisible infrared lighting 	 Colour: aluminium silver (metal)  

Audio Door Phone

Audio Door Phone with night vision and intercom features

Features:
   Converse with visitors and unlock the door remotely.   Visitors are visualable during communication and ringing.   Be able to monitor entranceway actively.   Adjustable contrast of the monitor.   Adjustable volume of the ringing, call signal sound with electronic chime (DingDong).   7 inch LCD-TFT colour module with night vision light.   Argent cover.   Auto shut down time: 45 seconds.   Installation method: placed flat or wall-hung type.  Indoor unit:
   Type: hand free.   White plastic indoor monitor, can be added base with your requirement.   Power supply: DC13.5V/1.2A.   Power consumption: maximum 10W, standby 0.5W.   Ambient temperature: -10&deg;C to 55&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 40 dB.   Display: 7 inch TFT-LCD screen.   Call signal sound: electronic chime (dingdong).   Picture element: horizontal 450 lines, vertical 480 lines.   Maximum wire length from camera: 30 meters using 0.65mm cable.   Maximum number monitor per system: 4 monitor per camera.   Installation method: placed flat or wall-hung type.   Dimension and weight: 235mm x 143mm x 55mm, 0.60kg.  Outdoor unit:
   White plastic outdoor and prevent splashing.   Power supply: DC 10-12V.   Power consumption: maximum 1.2W, stand by 0.1W.   Ambient temperature: -15&deg;C to 50&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 45dB.   CMOS: 380 lines resolution.   Minimum illumination: 0.2lux.   Camera: F:1.8, F+3.1m/m.   Installation method: wall-hung type.   Dimension and weight: 125mm x 95mm x 44mm, 0.57kg.   Including in one kit: one indoor monitor, one outdoor station, one adapter, one English user manual and one bag of screws.  

Video Intercom

Video Intercom with remote unlock and night vision features

An affordable DIY Intercom system Push On / Off power button on master unitPTT communication circuitClear and loud “Ding Dong” door chime soundWall Mounted or Desktop2 units per set20m (66ft) connection cable is includedLow power consumptionPower source: DC 6V adaptor or 4pcs of C batteries on master unit only (batteries excluded)

Wired Intercom

Wired Intercom with clear Ding Dong door chime sound

Techwall Electronics Co Ltd

This doorbell uses full digital technique used to ensure zero interference and offers a long communication range of 800m in open space. It offers selectable ding dong, visual or vibration alert for doorbell and has a portable handset with a charging stand. The doorbell has a speaker on the outdoor unit for hearing who&rsquo;s at the door and can be used to remotely control electric door locks. 	 Full digital technique used to ensure zero interference. 	 Long communication range of 800m in open space. 	 Operate in the 863 - 870 MHz with clear reception. 	 Remote control of electric door lock. 	 Outdoor unit complied with IP54 standard. 	 Out of range alert and low battery alert. 	 Selectable ding dong, visual or vibration alert for door bell. 	 Outdoor unit can operate with several indoor units. 	 Handset equipped with rechargeable Li battery and charger stand. 	 Outdoor unit speaker volume remotely control from handset. 	 Outdoor unit operates with AC/DC supply or battery backup. 	 Let users know when someone is at the door. 	 Excellent for improving security.  

Doorphone

Doorphone with long communication range and remote control features

This doorphone supports two way communication and can operate in the 865MHz range with clear reception. It has a compact indoor unit with a charging base and offers selectable ding dong, visual and vibration alert for door bell. The doorphone is easy to install and can be used to open electric door locks remotely. 	 Two way communication. 	 Operate in the 865MHz range with clear reception. 	 Digital technique employed to ensure interference free communication. 	 Long communication range of 500m in open space. 	 Remote control of electric door lock. 	 Compact indoor unit with a charging base. 	 Outdoor unit complies to IP54 standard. 	 Low battery warning for both indoor and outdoor unit. 	 Out of range alert for indoor unit. 	 Selectable ding dong, visual and vibration alert for door bell. 	 Extremely easy installation.  

Doorphone with two way communication and remote control features

   5.6&rdquo; color video door phone.   Converse with visitors and unlock the door remotely   Visitors are visualable during communication and ringing..   Be able to monitor entranceway actively.   Be able to intercommunicate when connecting 2 indoor units.   Be able to monitor when intercommunicating.   Adjustable contrast of the monitor.   Adjustable volume of the Ringing.   5.6&rdquo; LCD-TFT screen with night vision.   Installation method: placed flat or wall-hung type.   Indoor unit:   Silver indoor monitor.   Power supply: AC110V-240V, DC 15V.   Resolution: 450 lines.   Auto shut down time: 60 seconds.   Power consumption: maximum 10W, standby 0.5W.   Optimal working temperature: -10&deg;C To 55&deg;C.   Optimal working humidity: 45%-95%.   SNR: &gt; 40dB.   Weight: 0.60kg.   Installation method: placed flat or wall-hung type.   Dimension: 235 (h) mm x 143 (w) mm x 55 (d) mm.   Outdoor unit:   Silver aluminum outdoor with prevent splashing.   Power supply: DC 10-12V.   Power consumption: maximum 1.2W, standby 0.1W.   Ambient temperature: -10&deg;C to 50&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 45dB.   CMOS: 380lines resolution..   Minimum illumination: 0.5lux.   Camera: F 1.8, F+3.1m/m.   Installation method: wall-hung or inlay-in type.   Dimension: 191 (h) mm x 114 (w) mm x 49 (d) mm 0.30kg.   Embed dimension: 160 (h) mm x 94 (w) mm x 32 (d) mm.   Including in one kit: two indoor monitors, one outdoor station, two adapters, one English user manual and one bag of screws.  

Video Door Phone 

Video Door Phone with remote unlocking and night vision

Features:
   Converse with visitors and unlock the door remotely.   Visitors are visual-able during communication and ringing.   Be able to monitor entranceway actively.   Adjustable contrast of the monitor.   Adjustable volume of the ringing, call signal sound with electronic chime (DingDong).   4 inch LCD-TFT colour module with night vision light.   Auto shut down time: 45 seconds.   Installation method: wall-hung type.  Indoor unit:
   Type: hand set.   White plastic indoor monitor.   Power supply: DC13.5V/1.2A.   Power consumption: maximum 12W, standby: 0.5W.   Ambient temperature: 0&deg;C to 50&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 45dB.   Display: 4 inch B/W flat CRT screen.   Call signal sound: electronic chime (DingDong).   Picture element: horizontal: 350 lines, vertical: 380 lines.   Maximum wire length from camera: 30m using 0.65mm cable.   Maximum number monitor per system: 4 monitor per camera.   Installation method: wall-hung type.   Dimension and weight: 235mm x 143mm x 55mm, 0.92kg.  Outdoor unit:
   Silver plastic outdoor.   Power supply: DC12V, 0.5A.   Power consumption: maximum 2.5W, standby: 0.1W.   Ambient temperature: -10&deg;C to 50&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 45dB.   CMOS: 380 lines resolution.   Minimum illumination: 0.2lx.   Camera: F: 1.8, F+3.1m/m.   Installation method: wall-hung or inlay-in type.   Dimension and weight: 125mm x 90mm x 70mm, 0.30kg.   Including in one kit: one indoor monitor, one outdoor station, one adapter, one English user manual and one bag of screws.  

4 Inch 4 Wires Video Door Phone for Villa

Provide remote access control of electric door locks with this durable and functional wireless doorphone. It has an IP54 outdoor unit for hearing who is at the door and offers selectable ding dong, visual or vibration alert for door bell. This wireless doorphone is easy to install and uses full digital technique to ensure zero interference. 	 Full digital technique used to ensure zero interference. 	 Long communication range of 800m in open space. 	 Operate in the 863 - 870 MHz with clear reception. 	 Remote control of electric door locks. 	 Outdoor unit comply with IP54 standard. 	 Out of range alert and low battery alert. 	 Selectable ding dong, visual or vibration alert for door bell. 	 Outdoor unit can operate with several indoor units. 	 Handset equipped with rechargeable Li battery and charger stand. 	 Outdoor unit speaker volume remotely control from handset. 	 Outdoor unit operates with AC/DC supply or battery backup. 	 Extremely easy installation. 	 Durable and functional.  

Wireless Doorphone

Wireless Doorphone for remote access control of electric door locks

 	 Indoor Monitor (Touch Button) 	 Cabling: 2 wires between the Indoor Monitor and the Outdoor 	 Unit Screen: 7&quot; TFT 	 Display Ringtones: 16 modulated melodies 	 Resolution: 800 (H) x 480 (V) 	 Power Supply: 16V DC adaptor surface-mounted 	 Outdoor Unit Power Supply: Via the monitor type viewing 	 Angle: C-MOS 62&deg; 	 Night Vision: Invisible infrared lighting 	 Color: Aluminum Silver (Metal)  

Video Doorphone

Video Doorphone with 7 inch TFT Display and night vision

 	 4.3 inch 	 Compatible with 3 indoor secondary/slave units: 7 inch, 4.3 inch or handset 	 Potential-free output to open gate 	 Electric 12VDC output to open electric strike  

Basic Video Door Phone

Basic Video Door Phone with 4 3 inch display

This wireless video doorphone has a gate station unit with automatic night vision and can see visitors in the dark. It can open electric door locks remotely and has a long communication range of 300m in open areas. The wireless video doorphone is easy to install and provide good security for homes. 	 Open electric door locks remotely. 	 Gate station unit comply with IP54 standard. 	 Long communication range of 300m in open areas. 	 Out of range alert and low battery alert. 	 Indication of outdoor temperature. 	 Automatic night vision to see visitors in the dark. 	 Gate station unit operated with 12V AC or DC supply and with backup battery. 	 Can be equipped with back gate station. 	 Extremely easy installation. 	 Compact indoor monitor unit with charging station. 	 Provide good security for homes.  

Wireless Video Doorphone

Wireless Video Doorphone with night vision and remote door lock

Features:
   Converse with visitors and unlock the door remotely.   Visitors are visual-able during communication and ringing.   Be able to monitor entranceway actively.   Adjustable contrast of the monitor.   Adjustable volume of the ringing, call signal sound with electronic chime (DingDong).   4 inch LCD-TFT colour module with night vision light.   Auto shut down time: 45 seconds.   Installation method: wall-hung type.  Indoor unit:
   Type: hand set.   White plastic indoor monitor.   Power supply: DC13.5V/1.2A.   Power consumption: maximum 10W, standby: 0.5W.   Ambient temperature: -10&deg;C to 55&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 45dB.   Display: 3.5 inch LCD-TFT screen .   Call signal sound: electronic chime (DingDong).   Picture element: horizontal: 350 lines, vertical: 380 lines.   Maximum wire length from camera: 30m using 0.65mm cable.   Maximum number monitor per system: 4 monitor per camera.   Installation method: wall-hung type.   Dimension and weight: 235mm x 143mm x 55mm, 0.92kg.  Outdoor unit:
   Silver metal outdoor with rain cover &amp; prevent splashing.   Power supply: DC10-12V, 0.5A.   Power consumption: maximum 1.2W, standby: 0.1W.   Ambient temperature: -10&deg;C to 50&deg;C.   Ambient humidity: 45%-95%.   SNR: &gt; 45dB.   CMOS: 380 lines resolution.   Minimum illumination: 0.2lx.   Camera: F: 1.8, F+3.1m/m.   Installation method: wall-hung or inlay-in type.   Dimension: 122 (H) x 87 (W) x 40 (D)mm.   Including in one kit: one indoor monitor, one outdoor station, one adapter, one English user manual and one bag of screws.  

3.5 Inch 4 Wires LCD-TFT Color Video Door Phone

3.5 Inch 4 Wires LCD TFT Color Video Door Phone

Okayo Electronics Co., Ltd.

Okayo's ELITE is a standalone intercom system by which distinct and confidential communication among 6 team members exists no obstacles. Featuring clear display and intuitive (programmable) talk button, it is quick to set up and easy to use. Thanks to AES128 encryption, conversation among team members is secured. In addition, each ELITE team can be bounded all the time and won't be disturbed any more. Power-On and Go ease daily startup without confusion. Proprietary “ATTENTION” allows the team leader/director to draw members’ attention by muting their microphones and announce any important message at any time. Moreover, side tone is adjustable upon demand and onsite environments. Combining with lightweight, inherence rugged design and sturdy belt-clip, ELITE becomes a truly helpful tool specifically in various industrial sites. Even, with the capability of 15-hour battery life and up to 200-meter range, it is applicable for a variety of markets, including coaching, corporate training, logistics, manufacturing, internship, security, theater rehearsal and so on. Transportation case is also available on request which comes with 1 proprietary charging station C6 and 6 ELITE.  

WaveELITE

WaveELITE is a secure intercom system for team communication.

7&quot; TFT Video Door Phone 1. Can be Connected with two Indoor Monitors 2. Controls a latch and an automatic gate system with only Two wires 3.Intercom/Monitor/Unlock/Calling Functions

Shenzhen Woshijie Electronic Technology Co., Ltd.

Video Door Phone

 	 RFID function 	 Picture Capture function with built-in memory 	 Video recording function with SD card 	 Compatible with 3 indoor secondary/slave units: 7 inch, 4.3 inch or handset 	 Potential-free output to open gate 	 Electric 12VDC output to open electric strike  

Video Door Phone with RFID and picture capture functions

Okayo's innovative two-way OmniTour Guding System OTG-200 is now officially released! OTG-200 system suits for all occasions where require two-way communication, such as training, Q&amp;A lectures, and group/factory tours. Participants can simply press a button to respond/ask questions without learning. Further, specific features, including roll-call and alarm for group gathering, are available for group leaders to manage the trip easily and quickly. Specifically, Okayo’s proprietary softwareOK-OTG-SWis available for channel management which is perfectly practical for professional conferencing/lecturing. 

OmniTour Guiding System

OmniTour Guiding System for two way communication

Tecuno HK Co Ltd

Step up your house security system with this reliable and premium-quality door viewer. This premium-quality home security set includes two pieces, one with a camera that records the visitor’s face clearly and designed to be installed next to the front door and another with an ultra-clear screen to play the recording behind the front door for easy recognition. Know who’s coming over and visiting with ease with this top-performance home security system. A premium-quality two-piece home security set.Features a top-quality camera and an ultra-clear screen.Ensures easy installation.Housed in robust cases so they can withstand time.Manufactured under strict QC.

Door Viewer Home Security System 

 	 RFID function 	 Picture Capture function with built-in memory 	 Compatible with 3 indoor secondary/slave units: 7 inch, 4.3 inch or handset 	 Potential-free output to open gate 	 Electric 12VDC output to open electric strike  

Video Door Phone with RFID and Picture Capture functions

EZtour is a two-way guiding system by which tours quickly start/end with one press and no training is required. Clear message conveying among the guide and his guests is ensured even in a noisy environment. Even, it will never be bothered if any guest arrives late as he or she can be invited in the group easily and quickly by EZtour. Featuring okayo's proprietary audio encryption, group conversation is secured without being disturbed. With talk-back function activated, positive interaction among guests will be encouraged which leads your tour be more unique and unforgettable. Having an assistant guide in a group is possible for dual-speaker purpose, if necessary. ~100 m operating range makes group sizes be more flexible for various tour itineraries, e.g. street/campus/museum guided tours, factory tours, field trips, commercial workshops or training courses. Specifically, extraordinary VIP tours, such as theater/winery/theme/countryside tours, are highly recommended. Let EZtour impress your valuable guests! 

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