FM Transmitter Module Mini Wireless Microphone PCB Board 91 103MHz 3V-5V DC

Description

Product description:
Operating voltage range [3-5 V]
Frequency range [91 MHz 103 (default delivery 3V99.8 MHz)
Transmission range [3-20 m] (the greatest environmental influence)
Operating current [6-30mA]
[Without antenna (supplied)]
Circuit and illustration [no]
Frequency regulation [adjustable]
Battery box [no]
Volume adjustment [no]
Interference frequency stability [poor]
The microphone sensitivity [0.3 m] is normally received
Sound [General]
PCB size] [1.9 * 3.2 cm]
Graphite crucible mini gold furnace metal melting torch:
1 x WIRED MICROPHONE FM FM radio transmitter

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