This USB cable isn’t your average cable as it has a UHF transmitter built in. A super sensitive microphone can also be found in there allowing the cable to be used for recording conversations and listening in from a 200 – 500 meter range.
Gain control is handled automatically which allows you to hear things from the microphone when it’s up to 40 feet away from the subject. With it being USB and connected to a USB port the cable requires no extra power. The cable is 6 feet long and works in the 433-434 MHz range. There is a 300 – 434 MHz version available if requested.
The cable connects to any USB 1.1 or 2.0 interface and simply works out of the box.
USB Cable Transmitter Features
* USB cable works and looks as usual.
* Nothing unusual can be found.
* Powered by a USB port, no battery required for the transmitter.
* Only one end of the cable needs to be plugged to provide power.
* Extremely sensitive built-in microphone.
* Automatic microphone gain control.
* Crystal frequency control.
USB Cable Transmitter Technical data
Lengh: 1.8 meter (6 feet)
Interface: USB 2.0 , USB 1.1
Range: 500 meters (1700 feet) in open field
200 meters (700 feet) in a city
Power requirement: USB port
Output power: 20 mW
Frequency: 433 – 434 MHz (300 – 434 MHz on demand)
Modulation type: NFM
Operating temperature: -20 to +60 °C (-4 to 140 °F)
The USB Cable Transmitter costs $340 (about £165).
Product Page Via: SpyReview
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