Dispatch Systems
Today, one of the most important questions in building communication networks is how to create flexible systems that bring all means of…
Today, one of the most important questions in building communication networks is how to create flexible systems that bring all means of…
A pager is a one-way communication device. It receives text and voice messages on HF when the transmitter and receiver are far…
PurposeThe “BARS” repeater extends the coverage of VHF radios in difficult, hard-to-reach terrain, where there is no equipment shelter or 220 V…
“BARS-D” reversible 5 W VHF digital NXDN repeaterDesigned for high-altitude, solar-powered installation in uninterrupted digital communication systems.The NXDN digital protocol is implemented…
Initial design requirements for the collectorEasy to build. The collector can be made at home without special equipment, using simple tools found in…