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Ailunce HS1/HS1Plus SSB HF SDR HAM Transceiver. 0.5MHz-30MHz HF SDR Transceiver.  ...

Ailunce HS1/HS1Plus SSB HF SDR HAM Transceiver. 0.5MHz-30MHz HF SDR Transceiver  ...

Ailunce HS1/HS1Plus SSB HF SDR HAM Transceiver. 0.5MHz-30MHz HF SDR Transceiver.  ...

Amateur radio also know as ham radio, is a popular service and hobby that enables so many activities from public service to scientific experimentation to share fun with more 740,000 practitioners in the US and 1.75 million worldwide.  ...

RT90 supports analog and digital mode, It provides dual band, dual standby, dual display, dual time slot, operating on both 400-480MHz UHF frequencies and 136-174MHz VHF at up to 50 watts VHF and 45 watts UHF.  ...

With an update of the original 2006 decree the contest ban has been temporalily lifted within the frequency band 50.08-51 MHz, so German amateurs may participate in 6m contests in the time periode May – September.  ...

The antenna is Omni directional base station antenna, support UHF and VHF bands, with high gain, wide bandwidth, low standing wave ratio, waterproof, anti-corrosion with high strength and high quality glass steel package,  ...

CAS-7B ( BP-1B ) satellite is an amateur radio satellite combined with educational. Chinese Amateur Satellite Group ( CAMSAT ) is working the project with Beijing Institute of Technology ( BIT ), one of the most famous aerospace universities in China.  ...

Mexican radio amateurs have been providing communication support from a fire scene in a remote area to civil protection authorities in Monterrey, Mexico.  ...

For radio system, the repeater( relay station) plays on important role in extending the communication range and coverage. The indispensable equipment for wireless communication system. For the communication range of repeater, we usually get it from two ways  ...