FM Microphone Pickup Wireless Audio Transmitter FM MIC Core Board V4.0

20 available / new

R421.00

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szulou3465

93.47 % Positive ratings

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Product details

Condition

New

Location

International

Bob Shop ID

641124260

Features:
Convert the sound around the onboard microphone into an FM radio signal and send it out to achieve pickup and wireless transmission. The transmission frequency is adjustable. The green component on the core board is an adjustable capacitor. Changing the adjustable capacitor can change the transmission frequency. , The adjustable range covers 88-108MHZ frequency band. You can use radio and mobile phones as receivers! (The sensitivity of the mobile phone`s earphone cable as antenna is poor and it is not recommended as a receiver.) It is widely used in voice pickup and transmission, audio MIC, sleep monitoring of the elderly and children, etc. where sound pickup is required! Wide voltage working range: from 0.7V to 9V Very low power consumption, 0.7V working current is only 0.9mA, using a single AA dry battery 1.5V power supply, the current is only 4.2mA, if you use 3000mAH AA Ni-MH rechargeable battery, it can work continuously 3000/4.2=29.76 day!
The frequency is adjustable, and the adjustment range covers 88-108MHz, which is actually much wider than this frequency. It can be adjusted by an adjustable capacitor with a non-inductive screwdriver.
Package includes:
1 xTransmitter