To allow multiple users to share one carrier frequency, many handheld transceivers employ Continuous Tone Coded Squelch System (CTCSS) encoders and decoders. CTCSS systems add a tone at the low end of ...
The SVR-252 full duplex repeater allows extended coverage from portable to portable as well as portable to base communications. The SVR-252 can be used stand alone in a command vehicle application to ...
The project is an open source GNU repeater controller that is built around the Atmel ATMega1281 microcontroller while using all SMD components. Along with the microcontroller are the picoOS RTOS and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results