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Do you know about GMRS Radio?

The General Mobile Radio Service (GMRS) is a licensed radio service that uses channels around 462 MHz and 467 MHz.  ...

Read more  GMRS Radios

How to import contacts csv of Retevis RT84?

Retevis RT84 is a dual band DMR ham radio and supports to import 120,000 contacts. But do you know how to import the contacts csv into the radio?  ...

Read more  Retevis RT84,  contact list,  amateur radio

What do you think about 220Mhz frequency?

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

Read more  1.25M band,  220Mhz frequency band

Types of Ham Radio Operator Licenses

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.  ...

Read more  Ham Radio Operator Licenses

What is the difference between cross band transmit&receive and repeater?

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?  ...

Read more  Repeater,  Retevis RT23,  Ailunce HD1

Something about ARTS The Auto-Range Transpond System

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.   ...

Read more  ARTS system,  The Auto-Range Transpond System

Can ATVers use Ailunce HD1?

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?  ...

Read more  ATVers,  Ailunce HD1

What are the Necessary Parameters of Analog Radio Communication?

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

Read more  Analog,  Program

Do you know APRS voice alert?

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?  ...

Read more  Amateur Radio,  APRS,  Voice Alert