When you buy a cheap ham radio handy-talkie ... the antennas weren’t bad on the UHF band. That makes sense because the antenna is physically larger but at VHF the size didn’t seem a big ...

While there are a number of ways to access the Winlink email service, this guide looks at a compact, low-power setup using a simple VHF/UHF handheld FM radio with a small sound card called a Digirig.

UHF/VHF/HF radios, secure comm. capability, IFF. Communications include UHF/VHF/HF radios, secure comm. capability, and IFF. Currently out of production, the MH-53E’s service life issues are ...

and circuitry to reduce radio frequency (RF) gain. UHF radios differ in terms of range, which is usually measured in miles or kilometers. Some FRS radios and GMRS radios use AA or AAA batteries.

While UHF frequencies are by far superior in build-up areas, VHF is more suitable when it comes to open areas. With this VHF TETRA radio our customers can enhance their current range and benefit from ...

The behavior of the radio frequencies at the high end of the UHF band and across the microwave and millimeter bands differs from that of the very high frequency (VHF) band and lower frequencies ...