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The Difference Between Software, Firmware, and Hardware

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.  ...

Read more  Software,  Firmware,  Hardware

How do you Program a Walkie-Talkie?

When we get a walkie-talkie, the first thing we want is to make it communicate with another walkie-talkie.  ...

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Why is the actual output power of your walkie-talkie so low?

In order to communicate with more hams, when we choose walkie-talkies, we will like to choose the highest output power as much as possible when permitted by law. However, sometimes the actual power is much lower than the nominal power. Why or how can we obtain higher output power?  ...

Read more  Ailunce HD1,  Output Power

How to set the RX Info Display Time of Ailunce HD1

Ailunce HD1 is a dual-band dual standby amateur radio and supports importing contacts csv. When receiving, it can display not only specific channel information but also contact information, so setting the RX Info Display Time is also very important. So how to set the RX Info Display Time of Ailunce HD1?  ...

Read more  Amateur Radio,  Ailunce HD1,  RXInfoDisplayTime

【ARRL NEWS】Registration Opens for 2021 USA Amateur Radio Direction Finding Championships

Registration is now open for the 2021 USA and IARU Region 2 Championships of Amateur Radio Direction Finding (ARDF), set for October 13 – 17. Competition venues will be near Asheboro, North Carolina.  ...

Read more  Amateur Radio Direction Finding,  ARDF

Why you can't program Retevis RT3S on radio directly?

Some customers ask how to add or edit DMR id on Retevis RT3S directly, or why I can't program Retevis RT3S on radio directly. The blog will show how to add or edit your codeplug of Retevis RT3S via Front Panel Programming.  ...

Read more  Retevis RT3S,  FPP

The Effect of the Gain Antenna on the Signal of the Walkie-Talkie

Therefore, installing a high gain antenna on the walkie-talkie can greatly increase the communication space of the walkie-talkie and greatly increase the communication distance.   ...

Read more  high gain antenna

Principles for Setting the Squelch Level

The squelch switch is a function specially designed to solve the contradiction between the call quality and noise of the wireless walkie-talkie.  ...

Read more  Squelch,  SQL

Interpretation of Signal Strength during Radio Communication

The signal report of an amateur station consists of three parts: "R" representing the discernibility of the signal, "S" representing the signal strength, and "T" (Tone, the quality of the signal) representing the signal tone, so the signal report often becomes " RST".  ...

Read more  RSSI