Over the last 40 years, I have dabbled a little with each of these radio types with varying degrees of success. In my neck of the woods, CB was great for a number of years until the channels became so clogged with nonsense and vulgarity that I finally gave it up. I still own a CB...
HAM 无线电频率分布图
Versatile Frequency Range:Cover a wide range of frequencies with the radio mobile, from 136-174MHz to 470-520MHz, for diverse communication needs.', Dual Band Receive:Simultaneously receive signals on two bands, enhancing your radio mobile's versatility and efficiency. ...
Radio communication, Antenna Theory, and electronics are complicated subjects – I will be the first to admit that I don’t know everything, so if you are looking to get into Ham Radio or buying a radio for emergency communication purposes, please take the time to at least understand how t...
Scanner - A radio receiver often used primarily for VHF and UHF bands which can automatically scan pre-programmed channels and stop on a channel where a signal is present. Selectivity - The ability of a receiver to accept signals on the wanted frequency and reject off channel signals which are...
With its full band coverage from 136-520MHz, this walkie talkie is equipped to handle both amateur and ham radio frequencies, ensuring you stay connected in various scenarios. Whether you're engaging in outdoor activities, coordinating emergency response, or simply enjoying the convenience of a ...
Since this is a Type 90 Approved Radio, I figured it would be very simple to program some channels, and disable everything else (commercial users aren’t allowed to adjust things from a keypad). That task proved difficult as the radio has no obvious way to disable its very frustrating BAN...
Saving your preferred frequencies in channels also makes it easy to scan on your radio. Just hit the scan button and the radio will continually cycle through your list of saved channels until it finds something with activity. That’s a core use-case you will use in an emergency. ...
Ham radio operators usually must apply for and be awarded a license before beginning to broadcast. Part of the licensing process in many countries requires the operator to understand local and national regulations that govern the use of ham radios, including the frequencies that are set aside for...
this must be adjusted by pressing the tuning dial in, which then allows you to select these tuning steps. For all automatic and manual tuning of frequencies using the tuning dial, the smallest step is 1 kHz. That can be a little confusing for those who are used to free turning VFOs on...