Note: This is a DIY kit, you need to assemble it. Click here to download the assembly instruction.
Feature:
Kit model: RF-03PLL
Kit use: private radio, car audio transmitter, cable audio to wireless
Operating voltage: DC4-6V
Operating current: 20mA-40mA
Launch distance: 20-80 meters barrier (affected by production level)
Transmit frequency: 87-108MHz, 14 frequency, through the DIP switch to change the frequency
Power indication: Yes, less than 4V Auto light off
Antenna: 300mm soft wire, you can also modify to launch farther distance
Oscillation mode: PLL phase-locked loop
Frequency stability: zero drift
Sound quality: excellent, stereo two-channel transmission, automatic gain control
Microphone: Yes, PCB onboard
Microphone distance: 1 meter normal speech
Microphone and audio input conversion mode: pull out the audio line microphone automatically work
PCB size: 74mm * 52mm
Package includes:
5 x DIY FM Stereo Transmitter Module Kit
Low frequency | D0 | D1 | D2 | D3 | Frequency |
L | L | L | L | 87.7MHz | |
H | L | L | L | 87.9MHz | |
L | H | L | L | 88.1MHz | |
H | H | L | L | 88.3MHz | |
L | L | H | L | 88.5MHz | |
H | L | H | L | 88.7MHz | |
L | H | H | L | 88.9MHz | |
High frequency | L | L | L | H | 106.7MHz |
S3 dial to H108M | H | L | L | H | 106.9MHz |
L | H | L | H | 107.1MHz | |
H | H | L | H | 107.3MHz | |
L | L | H | H | 107.5MHz | |
H | L | H | H | 107.7MHz | |
L | H | H | H | 107.9MHz |
Soldered PCB, for reference only!