88-115MHz FM Wireless Microphone-Transmitter Module

Description 88-115MHz FM Wireless Microphone-Transmitter Module Operating 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 * 1cm L*W Package Included: 1PCS*88-108MHz FM wireless microphoneSurveillance transmitter module for arduino New