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What do you think about 220Mhz? will you choose a 1.25M 220Mhz band HT radio? Please welcome to recommend below.   ...

The FCC issues six license classes, each authorizing varying levels of privileges. The class for which each licensee is qualified is determined by the degree of skill and knowledge in operating a station that the licensee demonstrates during an examination to volunteer examiners (VEs) in his or her community.  ...

We know Ailunce HD1 has the cross band transmit and receive function, and Retevis RT23 has the cross-band repeater function. do you know what is the difference between cross band transmit&receive and repeater?  ...

Q&A about Ailunce HD1 DMR Dual band radio  ...

ARTS™, also known as Auto-Range Transpond System, is a type of technology used in two way radios - more specifically, YASUE two way radios. which can be critically important in search-and-rescue applications.   ...

ATV is the abbreviation of All-Terrain Vehicle, which is all-terrain off-road vehicle, so ATVers is the person who drives all-terrain off-road vehicle. Do you think ATVers can use Ailunce HD1?  ...

What are the necessary parameters of analog radio communication? Frequency and CTCSS/DCS.  ...

APRS is short for Automatic Packet Reporting System, and hams like to use it to transmit GPS information or to query the movement trajectory of a friend's radio. But do you know that APRS has a voice alert function?  ...

The first way is the VFO or variable frequency oscillator. The MR stands for memory. When in this mode you input a frequency into a memory channel.   ...

Software is the most temporary and malleable. Firmware is semi-permanent software that’s tied more directly to the hardware and updated less often, and hardware is the physical component that is mostly permanent.  ...