For applications such as handheld terminals, inventory control, and security systems, the RTFQ1 transmitter and complementary RRFQ1 receiver from OKW Electronics give you a moderate-speed, ...

Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...

Fig. 1: Broadcast Electronics Digital Dashboard screen, showing data rates and audio presence on HD multicast channels. One in a series of articles on getting the most out of your HD Radio investment.

The Good: Portable; adjusts to any FM frequency between 88.1 and 107.9; comes with accessories such as a car lighter-socket adapter; looks very cool. The Bad: Poor backlight; no presets. The Verdict: ...

Spotify and YouTube Music are great choices if your car has Android Auto, CarPlay, or a simple Bluetooth connection, but if you don't, you still have options to ...

This article should satisfy those who might want to build a low power FM transmitter. It is designed to use an input from another sound source (such as a guitar or microphone), and transmits on the ...