80-110MHz FM Transmitter Wireless Microphone Surveillance Spy Bug Board Module

Product ParametersWorking voltage: 2V-5V (mobile power can be used, but with regulated power supply, mobile phone charger may have AC noise, if the voltage is too high, it will burn the launch tube)Working current: 30-80mA (measured input working current: 4.8V-87mA, 3.6V-63mA, 2.4V-36mA, test 80cm wire for the antenna, respectively, using four, three, two BPI2100mah nickel-metal hydride rechargeable battery test)Transmitting frequency: 80-110MHz (complete coverage of home FM radio frequency)Transmitting power: 150mw (C models), 50 meters - 800 meters (depending on the antenna efficiency determines the distance)Receiving method: ordinary household FM radio receiving. The FM radio that comes with the phone can also be received, but the Internet app that the software APP requires network traffic cannot be used.Emission distance: The linear transmission distance of the obstacles can reach 800 meters or more (6V power supply, 80cm professional antenna, Desheng PL606 high sensitivity radio t