FM Radio Transmitter Module - NS73M

Description: This is a very small FM transmitter. Designed to be the building block of wireless microphones and MP3 broadcasters, this small module requires only two external components and utilizes a completely digital interface.

This part is meant for research purposes and is not FCC certified. The NS73M part is not certified by itself (certification requires an antenna be attached) but has been used and certified in many consumer products.

Breakout board available below.

Features:

• 87.5MHz to 108MHz
• Stereo multiplexing modulation
• Simple external 32.768kHz
• Small size
• Alignment free
• SPI and I2C supported interfaces
• 2.7V to 3.6V
• -20C to 75C operation

Dimensions: 7x7x1.5mm
Documents:

• Description
• Datasheet
• Example 3-wire control
• Example code in Basic