Core Board V4.0 0.7V-9V 3.3V FM Microphone Wireless Audio Transmission FM Radio Fransmission Audio MIC Kup K Up Module

Core Board V4.0 0.7V-9V 3.3V FM Microphone Wirele Audio Transmiion FM Radio Fransmiion Audio MIC kup k up Module

Features:

This item has unparalleled wide voltage working range from 0.7V to 9V. It launch pure, spurious signal, the suppreion is only -60dBc.

Function:

This item make the sound around the microphone into the FM radio, and transmit out to achieve kup and wirele radio FM , the launch frequency is adjustable, the core board green components is the adjustable , change the adjustable can change Launch frequency, adjustable range covering 88-108MHZ GB FM-band. You can use the radio and the phone (the phone with the headset line to do the antenna sensitivity is poor, is not recommended as a receiver) as a receiver! It is widely used in voice kup transmiion, audio MIC, the elderly and children sleep monitoring, etc. need to k up the sound of the occasion!

Wiring method:

The back of the core panel is labeled +,- and ANT,representing the power positive,negative,and antenna ends.The antenna generally soldered a 0.7 meter long short wire on will be OK,which is very easy!

Specifications:

Operating voltage: 0.7V-9V Frequency regulation range: 88-108MHZ (default 100MHz) Launch distance: 9V work, the use of 70 cm antenna, open space, launch distance of 50-100 meters

The relationsh between the operating voltage (volts) and the supply current (MA) and the transmitted power (dBm) is as follows: 9V,24 Ma,9.5dBm 7V,19 Ma,8.5dBm 6V,17 Ma,7.1dBm 5V,14 Ma,6.1dBm(about 5 MW) 4V,12 Ma,4.5dBm 3V,9 Ma,2.2dBm 2V,6 Ma,-1dBm (about 1 MW) 1.5V, 4.2 Ma, -4dBm (about 0.5 MW, general home environment emiion enough, green radiation small) 1V, 2.4 Ma, -9dBm 0.7V, 0.9 Ma, -20dBm (i.e. 0.01 MW)

Package included:

1 x FM Wirele Microphone kup Wirele Audio

69649

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