Note: Due to COVID-19, the flights reduce and the delivery time may be delayed. Please understand. ×

+86 15093323284

 Longgang,ShenZhen, CN

Author

Retevis RT90 Dual Band DMR Mobile Radio Review by M6CEB

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.  ...

Read more  RT90

50 MHz Contest allowed in DL

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.  ...

Read more  50Mhz

Retevis MA02 FRP Antenna for Radio Repeater

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,  ...

Read more  FRP Antenna

China Set to Launch New Amateur Satellite CAS-7B

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.  ...

Read more  Satellite

Mexican Amateur Radio Volunteers Providing Communication in Wildfire Response

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

Read more  Emergency

How to estimate the repeater communication distance

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  ...

Read more  Repeater,  Distance

Ailunce HS1Plus SSB HF SDR HAM Transceiver Built-in Batery

We know HS1 Before, it is not with the battery. HS1Plus is HS1 updated version. The size is bigger than HS1, and the HS1Plus with built-in battery.  ...

Read more  HS1Plus,  HF

Retevis RT83 IP67 Single Band DMR Amateur Radio

RT83 is a IP67 DMR single band 400-470 10W DMR amateur radio.  ...

Read more  Retevis,   RT83

How does DMR APRS work on the Ailunce HD1

Instruction on how to get HD1 GPS position information on aprs.fi.  ...

Read more  HD1 APRS,  DMR APRS,  MMDVM APRS