Tech-Security Electronic Technology Co., Ltd.

Digital full duplex video interphone

Digital full duplex video interphone
Product Detailed

duplex video interphone
portable and samll earphone call
CE,RoHS,FCC pass
distance over 300m
with AV out, memory function

Digital full duplex video interphone

 

  TA-505 is a multi-functional visual 2.4G digital wireless transceiver video interphone which is produced by our own R&D team,used the latest wirelesss speech image transceiver module CW-WMV-001,equiped with the latest RF chip,High-performance ARM processor chip, Micro digital camera, and used industrial-grade design criteria to build a multi-functional wireless video intercom product. It consists of two parts: headphone and handset. Headphone is equipped with wireless transceiver module,micro-camera,earphone and other capture and playback devices. It collects speech signal through earphone,image signal through camera,  and transfer out to handset, minwhile receive the speech signal from handset and play out through earphone. Similarly, the handset is equipped with wireless transceiver module, 2.4”  TFT   LCD, earphone and other capture and playback devices. It receives speech image data from headphone and play out through earphone and LCD,   at the same time, speech  signal collected through the headset wirelessly transmitted to the headphone.  With  small size, light weight, easy to operate features, it can be applied to any one-way short-range wireless audio and video data applications.

 

Application Scope

Mining & building worksitesArmy troops perambulation superviseRailway constructionOil Field ConstructionGolf Course visible intercomAir Force refueling monitoringReal-time monitoring&inspection for telecommunication Plice obtain evidence wirlesslyMicro-wireless Furtive snapshot combined with power lines or 3G mobile phone to do remote monitoring.Electric power working-yard overhaul and monitor Power Grid and equipment maintenance  

Technique Parameter

 

Handset RX

Operating time Voice current is 150mA  Fully opereating(including video)current is 190MaOperating voltage is 3.7V; Using 3.7V lithium battery-poweredTransmitting power is 16dBmReceiver sensitivity is -100dBm;Voice Frequency  300Hz ~ 3000HzEarphone  with diameter 2.5 audio plug, microphone and volume adjust

 Headphone TX

Operating time Voice current is 170MaFully opereating(including video)current is 200 mAOperating voltage is 3.7VUsing 3.7V lithium battery-poweredTransmitting power is 16dBmReceiver sensitivity is -100dBmVoice Frequency  300Hz ~ 3000HzEarphone  with diameter 2.5 audio plug, microphone and volume adjust

Image Parameter

Camera OV7725LCD Screen 2.4"TFT Resolution 320 * 240;Compression Method  MJPEG compressionTransmission Rate 15~20frame/sWorking distance 300 meters,can be above 300M with modified antenna,plus power line or WIFI wireless relay of up to 100KM or more.

 



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