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

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

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

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

MAYTEL CO., LTD

A wireless intercom specialized for Outdoor Activities, most Compact, Robust &amp; User-friendly Hands-free talking 3 Professional Operation Modes: 10U mode - supports 9 fixed users + any one out of the participants talking together simultaneously. Any one of the participants can become the talker by pressing the talk button first. STA mode - allows all members of a group to talk through the Master unit. When the locations of members are obscured by barriers or other obstacles, applying this mode can minimize the impact of such obstacles. 6U mode - solution to maintain communication while minimizing the influence of Wi-Fi even in special environments such as exhibition halls or stadiums with large crowds where Wi-Fi is radiating in full band. 

GrandCom-X

GrandCom X wireless intercom for outdoor activities

Okayo Electronics Co., Ltd.

   With more than one of this devices, you can form a wireless language interpretation system.   The wireless language interpretation system you can used them as a tour guide system.   Over 80-meter transmission distance.   Adjustable hi/mid/low sensitivity.   WHF PLL synthesized, 96 selectable frequencies on band 740-865 MHz.   LCD display.  

Wireless Language Interpretation System

Wireless Language Interpretation System for effective communication.

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

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

Most Premium with Ultra Slim &amp; Compact Wireless Intercom Beltpack, ALVO 1.9 

ALVO 1.9

ALVO 1 9 - Premium Ultra Slim Wireless Intercom Beltpack

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

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

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.

Seyoung Information & Telecommunication Co., Ltd.

 Usable frequency band : 2.403~2.481GHzEffective service distance (L.O.S) : Max. 300m4-channelled operation.2-way simultaneous audio/voice communication.Volume up/down button and multi-function button.Power source : Lithium polymer battery 3.7V 800mABattery time : Max. 11hrCharging time: 2 hours.Weight : 70gDimension :65 x 32 x 22mm

Two way radio

two way radio with effective service distance of max 300m

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

Victory Concept Electronics Ltd

 This wireless speaker offers ultra-clear stereo sound with the 2.4GHz digital technology. The auto tuning control and remote control unit boast intuitive operation. This wireless speaker simply  delivers high-quality audio performance that sounds as good as it looks.      3.5mm jack and USB audio input.   Full-range 3-inch speaker driver.   Lighting effect.   Water-resistant level: IPX3.   Transmitter: AC/DC power adaptor or USB power.   Receiver: AC/DC power adaptor, 6 AA-sized alkaline batteries (not included).   Frequency response: 20Hz-20kHz.   Operation distance up to 80 meters&nbsp;in an open area.   Output power: 5W (RMS) x 2.   Transmitter unit size: 36 x 92 x 92mm.   Receiver unit size: 251 x 130 x 130mm.   Available in different colors.  

2.4GHz Digital Wireless indoor/outdoor speaker system

2.4GHz Digital Wireless indoor outdoor speaker system

Usable Frequency: 2.403~2.481 GHz / 863~865MHz / 900~928MHzNumber of Channels: 40 / 8 / 4Power Source: Lithium polymer Battery 3.7V 1,200mABattery Time: Max. 10hrRecharge Time: 3hrProtective Design: IP54Weight: 70gDimension: 38 x 78 x 19 mmAmbient Operating-Temperature Range: -20℃ ~ 60℃

Full Duplex Radio Communication System(900MHz)

Full Duplex Radio Communication System 900MHz

 	 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

Automatic Manufacturing Enterprise Ltd

 	 Super lightweight earset receiver 	 Small and compact size 	 Fidelity sound quality 	 902-928 MHz frequency band 	 Transmission range up to 5M 	 Rechargeable battery 	 Compatible with most cellular phone with a 2.5mm headset Jack 	 2 hours talk time 	 Automatic frequency selection 	 Full duplex function  

Tiny Wireless Hands-free Kits, 900MHz for the Cellular Phone

Tiny Wireless Hands free Kits for Cellular Phone

The 2.4 GHz&nbsp;digital your guide system&nbsp;features a built-in antenna and digital transmission.&nbsp;It&nbsp;comes with about 60 meters of reception for helping tour group members with hearing difficulties overcome problems brought by background noise and distance from the guide.&nbsp;The compact design makes it an ideal tour guide system.



 
  256 channels. 
  Battery capacity icon on LCD display screen. 
  Portable and rechargeable. 
  3-digit number display. 
  AA battery applicable. 
 

2.4GHz Digital Tour Guide System

Usable Frequency: 2.403~2.481 GHz / 863~865MHz / 902~928MHzNumber of Channels: 40 / 8 / 4Power Source: Lithium polymer Battery 3.7V 1,200mABattery Time: Max. 10hrRecharge Time: 3hrProtective Design: IP54Weight: 70gDimension: 38 x 78 x 19 mmAmbient Operating-Temperature Range: -20℃ ~ 60℃

Full Duplex Radio Communication System(2.4GHz)

Full Duplex Radio Communication System 2.4GHz

   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

 This wireless speaker features&nbsp;a rock shape with delicate grain. The device  is well engineered to guarantee superior sound reproduction.&nbsp;Add fun to your audio system with this delightful rock speaker.      Frequency: 900MHz.   Full-range 5-inch speaker driver.   Electronic volume and auto tuning control.   Water-resistant level: IPX3.   Transmitter: AC/DC power adaptor.   Receiver: AC/DC power adaptor.   Operation distance of up to 80 meters&nbsp;in an&nbsp;open area.   Output power: 15W (RMS).   Receiver unit size: 244 x 243 x 200mm.   Transmitter unit size: 36 x 92 x 92mm.   Available in different colors.  

900MHz Wireless Indoor/Outdoor Rock Speaker system

900MHz Wireless Indoor Outdoor Rock Speaker system

GCE Technology Limited

GAP compatible Speakerphone with enhanced voice quality. Maximum 5 handsets are linked to the same base unit, and maximum 4 bases per handset. Off hook dialing and pre-dialing. Phonebook button for alphabetic searching. 30 Caller ID memories 10 Last number redials (32 digits max.) 50 Phone book memories Name matching. Display talk\intercom time. Phonebook review allowable during phone conversation Call transfer to other handset. Intercom Alarm clock including snooze option. Page to all Handset units. Battery low indication (by ring tone and icon display) 2 basic ringer tones and 8 melodies ringer tone for external/intercom call. 5 steps digital volume control for ringer tone/earpiece/speaker Select different melodies for different calls Manual select base / Automatic select base function Handset name edition. Auto/manual answer Mute function 16 Languages menu (Spanish/ English/ French/ German/ Italian/ Portuguese/ Hungarian/ Swedish/ Dutch/ Danish/ Norwegian/ Turkish/ Ukrainian/ Polish/ Greek/ Russian) IN USE and CHARGE LED indicator ECO friendly                  

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