Locked Loop Digital FM Stereo Transmitter Module Radio Receiver AK87

Locked Loop Digital FM Stereo Transmitter Module Radio Receiver AK87

Feature:
Basic parameter:
Overall size: long X 1.3CM wide X 3.5CM high 0.9CM (height, including audio and keys)
Working voltage: 3V-6V DC
Working current: 35MA or so

Frequency adjustment mode: button adjustment
Antenna connection mode: you can separate the external cited, the default is connected to the audio output line
Transmission distance: 3.6V antenna reference voltage of 75 cm - wire straightening, ordinary mobile phone radio receiver, outdoors
Test distance of about 100 meters
Uses: FM wireless microphone stereo audio forwarding FM small power radio
Module features:
1) board design of the audio interface, can be directly inserted into the microphone or audio signal lines, the use of very convenient.
2) module with a voltage regulator chip, wide operating voltage, good stability.
3) on the back of the module with 5 small buttons to set the frequency, and input signal gain.