What is HF radio? Known as the decameter band or decameter wave, high frequency (HF) is the ITU designation[1] for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz). The HF band is a major part of the shortwave band of frequencies, so...

What is GMRS radio? Known as “Class A Citizens Band" while renamed by FCC in 1987, GMRS stands for General Mobile Radio Service, using the same frequency band as FRS's (462-467 MHz). The difference is that GMRS radios have designated channels within those frequencies that aren't available to FRS radios....

The Radioddity GM-30 is the latest GMRS radio with many features including 5W high power, UHF & VHF scanner, front-panel programming, sync display, USB type-C charging, VOX, etc. According to the feedback provided by the previous customers, we've made some firmware & software update to make this radio better and...

by Micah Dubinko from GitHub gsoc-contrib wiki (Xiegu GSOC Open Source Project Begins!) 　 The Xiegu GSOC is marketed as a "Universal" controller and data terminal. Let's see how universal it is. Disclaimer: I'm working off a dataset of one. Some of the oddities I observed may well be specific...

As the saying goes: "Prevent trouble before it happens." If you are fully prepared before or when the disaster occurs, your chances of survival will be greatly increased. After an emergency, you may need to survive for a few days. Being prepared means having your own food, water and other...

IF YOU ARE UNDER A WINTER STORM WARNING, FIND SHELTER RIGHT AWAY Know your winter weather terms: Winter Storm Warning Issued when hazardous winter weather in the form of heavy snow, heavy freezing rain, or heavy sleet is imminent or occurring. Winter Storm Warnings are usually issued 12 to 24...

GIVEAWAY 　 Our new FM/AM/NOAA radio Raddy RW3 is coming soon! However, this is not just an ordinary radio in your mind but also a __???___ 　 What's the prize? Join this guessin game by submitting your answers of its Raddy RW3's other features (in addition to FM/AM/NOAA radio), getting...

  Radioddity recently released a new water-resistant handheld radio the GS-5B, this fits the bill for a more industrial type radio that can take the daily abuse of in a work environment. The case is definitely sturdier that a typical handheld and has a 7.4 Volt 2,000 mah battery pack....