Mini FM Wireless Microphone Module 91-130MHz

Description

Broadcast your voice via FM frequency or listen to other’s voice secretly via very small audio FM transmitter, Just connect battery and scan your mobile’s FM and listen to live voice via microphone.

• 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]
• Battery box [no]
• Volume adjustment [no]
• Interference frequency stability [Fine]
• MIC sensitivity [0.3 m] speak normally be received
• Sound [General]
• PCB size] [1.9 * 3.2CM]