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700mW portable wireless audio and video transmission equipment

700mW portable wireless audio and video transmission equipment


Modulation FM
Frequency .1.2GHz
Transmit power 700mW
Wireless mode Point to point
Antenna type External omnidirectional antenna
Support range 500M (LOS)
Function Video & audio signal


  • Product Detail
  • Product parameters
  • Related Products

Ⅰ. Summary

ST-700 Portable wireless video transmission equipment is an excellent all aspects of performance are more varieties, and its large power margin, small current consumption,normal operation power is only about 500mA。Small size,Long transmission distance,more suitable for complex physical environment。While used 0dB omni antenna ( original small antenna),It can transmission about 500m in the open air, and block in the general case about 100 to 200m transmission distance. The product design ideas in this paragraph is mainly targeted at the needs to carry, inconvenience exposure situations.

ST-700 Portable wireless video transmission equipment9

Ⅱ. Features

1、wireless transmission: no need to set up communications cable

2、Image, audio sync, color black and white compatible

3、Small size, light weight, easy to carry, good installation

4、Responsive, timely, send and receive real-time transmission

5、Using FM mode, anti-interference ability, good image quality

6、Highly integrated, stable and reliable transmission distance

7、DC power supply, ease to operation.

 700mW portable wireless audio and video transmission equipment

Ⅲ .Panel description

1.Transmitter panel description

ST-700 Portable wireless video transmission equipment1
2Receiver panel description

ST-700 Portable wireless video transmission equipment2

Ⅳ .Operation instruction

Properly installed, connect the transmitting and receiving system (see installation instructions). Determine the circumstances connected correctly (must connect the transmitter antenna at first), respectively the power connected to the transmitter and receiver.

Powered, no press in the transmitter and receiver channel selection key, then the transmitter and receiver are automatically locked in a channel (usually the factory set to 5 channel). If you use other channels, as long as the transmitter of the channel adjustment buttons gently press the button, and then transferred to the receiver and transmitter channels corresponding to the next channel can be.

Ⅴ. Installation methods and procedures

 1.Take out the transmitter, receiver, antenna etc from the packing box;

2.To fix the transmitter, transmitter antenna and receiver antenna separately;

3.To connect the camera with the transmitter, receiver with monitor (TV etc);


5.Regulate transmitter, receiver channel, through monitor, so that the receiver’s audio and video effects to achieve the best

Corresponding channel as follows

Transmitter Channel Display 29Channel Receiver 4Channel Receiver(Taiwan)
New Channel 1 4 1
2 6 2
3 8 3
4 10 4
Old Channel 1 5 1
2 7 2
3 9 3
4 11 4

Ⅵ  Packing list

Transmitter X 1pc
Receiver X 1pc
Antenna X 2pcs
Connect Cable  X 2pcs
Manual X 1pcs


1.  Before the antenna is not installed well, do not boot, or it may damage the system!

2.  Such as the DC power supply, recommended 12V regulated power supply power supply, Within the power of positive things for the negative polarity! Do not mistake!

3. If the transmitter signal source is mono, the audio transmitter receiver audio input and output channels should be chosen uniform. 


Channel number 4
Supply voltage 12V DC
Transmitting power 700mw
Antenna input impedance 50Ω
Audio Subcarrier frequency Dual sound 6.0MHz/6.5MHz
Video input impedance 75Ω
Audio input impedance 600Ω
Transmission distance Over 500m( line of sight, transmitting 

Distance 100~200m with block.)

Size Transmitter:74*41*14mm


Channel number 29
Supply voltage 12V DC
Receiver sensor -80dB
Antenna input impedance 50Ω
Audio subcarrier frequency Dual ound 6.0MHz/6.5MHz
Video input level 1Vp-p(75 Ω )
Audio input level 1Vp-p(600 Ω)
Size: 116*80*21mm


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