Mini FM Transmitter Wireless Microphone Surveillance USB Interface Operating on a frequency of

Operating on a frequency of 13

Total number of input output pins : 9

Operating Voltage: DC 3V-35V

just like the analog stick push button)

Mini FM Transmitter Wireless Microphone Surveillance USB Interface Operating on a frequency ofOperating Voltage: DC 2V 9V Current: 9mA (3V voltage Reference distance: open ground 100 meters, 10 30 meters indoor environmental obstacles (3v voltage test, increasing the voltage from the greatly increased) Operating frequency: 85MHZ 115MHZ (usually between 99 101 boot default frequency) Receive way: as long as the 88 108MHz FM radio can receive, with FM feature phones. Frequency adjustment: adjustable capacitor Output Impedance: 50 ohms Size: 2 cm