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Ailunce HS2 using software-defined radio SDR technology. Radio performance and functions are packaged in a compact and lightweight portable size. Whether you are taking your hobby to outdoor, or some other" on the air" location, the Ailunce HS2 is an eye-catching rig.  ...

Ailunce HS2 is an ultra-portable full-frequency full-mode SDR radio. Receive frequency coverage 300K~1.6GHZ. The built-in network port can realize remote operation and remote firmware upgrade. Ailunce HS2 adopts a full keyboard design, built-in Bluetooth module, sound card module and serial communication port module. Full support for currently popular radio control software and logging software.   ...

Do you know how to get QSO with amateurs from all over the world use Ailunce HD1?  ...

Ailunce is designing the dual-band DMR mobile radio HM1. H means Hams, M means Mobile, 1 means Generation. HM1 is Hams Mobile Radio Generation. We want to design one Mobile Radio with all the hams.  ...

The History of China's Amateur Radio Competition in My Eyes 6, In 1990-1991, the group station operators were younger  ...

Digital filter can effectively filter out the frequency point of a specific frequency or the frequency other than the frequency point and is a device or circuit that has a signal processing effect. It is equivalent to the "sieve" of frequency.  ...

China Amateur radio competition rising phase of the cycle 1988-1989  ...

Recently Local HAMs use a repeater to assist in rescues. Let's have a look at how they did a repeater call to help prevent more damage.    ...

Single-frequency repeater, it is a repeater that uses only one frequency to achieve the repeater function. It allocates one timeslot to receive a signal and the other to transmit it at the same frequency, using DMO mode to extend radio coverage.  ...

Two new Chinese amateur radio satellites are expected to launch on September 15.  ...