FM Transmitter Module Wireless Microphone Surveillance Frequency 88 to 108MHz Top DC 2V To 9V

Operating voltage: DC 2V-9V
Current: 9mA
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: 50ohms
Size: 2cm*1cm L*W
Package Included:

1 x 88-108MHz FM wireless microphone surveillance transmitter module