Wireless Microphone Ham FM Radio Transmitter Mini Wireless Module

Specification:  Operating voltage range [3-5V] Frequency range [91-103MHZ] (shipping default 3V99.8MHZ)  Transmission range [3-20 m] (the larger environmental influences)  Operating current [6-30mA] [No antenna (supplied)]  Circuit and illustrating [no]  Frequency regulation [adjustable] Volume adjustment [no]  Interference frequency stability [poor]  MIC sensitivity [0.3 m] speak normally be received  Sound [General] PCB size] [1.9 * 3.2CM]  Buyers to be equipped [electric iron, battery box and battery, wires, solder wire, 88-108MHZ FM receiver]  Note: This baby is less stable, easy frequency drift, as the industry cannot use a wireless transmitter.

Package Includes: 1 x Wireless Microphone Ham FM Radio Transmitter 91~103MH