Product Description

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:

1 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!

More Detailed Photos: