Tag Archives :amateur radio

Ailunce HD1 is a dual-band DMR radio, and can also be adjusted to single-standby and display time information. Today I'll show two ways to update date and time on Ailunce HD1.  ...

If you have problems when turn on your radio, you can read the blog. We've put together some solutions to common boot issue for your reference.  ...

In July, a contact between radio amateurs in Germany and China took place on July 1 via LO-94. The two-way exchange was between Reinhard Kuehn, DK5LA, in Sörup, Germany, and Harbin Institute of Technology club station BY2HIT (operated by Wei Mingchuan, BG2BHC), in Harbin, China, via the onboard GMSK-to-JT4G repeater — the first such contact ever made.  ...

This article we will learn how to update firmware on AilunceHD2.   ...

Like VSB, ISB is also a modulation method between double sideband (DSB) and single sideband (SSB).  ...

in order to avoid this loss, a technique was chosen, which is a compromise between DSB-SC and SSB, called Vestigial Sideband (VSB) technique.  ...

Why Ailunce HD1 has no prompt tone when receiving SMS？  ...

DRM is a digital commercial broadcasting model that provides FM-equivalent sound quality to shortwave broadcasts.  ...

We always use the adapter to convert AC to DC， do you know how to invert DC to AC？  ...

Do you have a footswitch for PTT? Can you provide a 3.5mm plug for PTT? Yes, Ailunce FS01 is here to meet your needs.  ...