1. the transmitting and receiving of messages by radiotelegraph.2. the science and technology of the radiotelegraph. — radiotelegraphic, adj. radiotelephony verbal communication at a distance by radio, using telephones. Also called radiophony. — radiotelephonic, adj. telemechanics the science of ...
the other seven are also allowed to be used by the GMRS system. But you don’t need any kind of license to use FRS radios. They have a very short range of just one or two miles for a hand-held unit, so this limits your ability to ...
So, when keying a CW transmitter, the sent text is not printed locally, unless the connected transceiver outputs a side-tone via its audio output. However, some CW transmitters (such as the WW2 15WSEb in "FF" mode) do not output a side-tone. In this case, there are several ways to...
A method and receiver apparatus for a receiving radio unit are disclosed for use in a wireless communication system for processing transmissions from different radio units at the receiving radio unit. A first transmitting radio unit transmits first audio information (e.g., a first audio encoded ...
the Bluetooth transmitter. You have to first “pair” the devices so that they both recognize each other before the device can start receiving signals from the transmitting device. They are of no practical use while on the move as there are no radio stations that transmit such types of ...
The audio quality is as good as on any Motorola DMR radio. As I travel quite often and the cellular networks around are very reliable, I am always able to stay in touch with all my ham friends around the world. I could, of course, just use my regular smartphone and do exactly the ...
controlled at a range of 4 km.One radio may transmit at a range of 5 km, and the other at a range of 50 km, if both are transmitting or receiving at the same time.Otherwise, the amplifier is automatically slaved to the transmitting or receiving radio.Weight: 24.7 kg; Price: $12,...
The range on these simple two-way radios is anywhere from .5 miles to 2.5 miles. The longer transmitting range would be possible in a large, wide open space (like a field). You may get the shorter distance if you’re in the woods or mountains, where obstacles are present and interferin...
When the time is out, the transmitting will automatically stop and a warning tone will go off.Scan This enables the user to monitor all the radio communications on the preset channels. The user can stop at any channel he wants. BF-7110 will only scan ...
SSB radio, is a method of communicating across long distances without the use of a registration or recurring expenses and tariffs. SSB’s functions are similar to FM or AM. SSB is an extremely effective way of superimposing your audio or other signals upon the radio wave before transmitting ...