Engineering360 News6 年
Frequency Bands
Frequency bands are the allocation (available use) of radio spectrum that assigned by a regulatory agency for use for specific types of radio services. There are 2 frequency bands designated for IS-95 ...
PC Magazine3 年
5G frequency bands
Within North America, 5G cellular service is able to operate in several frequency bands. The higher the frequency, the faster the speed; however, the signals are less capable of penetrating ...
Phone Scoop10 年
A Visual Guide to AWS
A specific range of frequencies allocated for a specific purpose is called a "band". The existing "2G" bands for cell phones are shown below: As you can see, there are two major existing bands in ...
Voice of America8 年
VOA Broadcast Frequency Schedules
Frequencies are in kiloHertz (kHz). 1 MegaHertz (MHz) is equal to 1000 kHz. Conversion to meter bands: Meters=300000/frequency in kHz. e.g.: 17705 kHz --> 16.9 meters ...
来自MSN12 个月
What's the difference between different microphone designs and how do they work?
In general, this is a fairly good guideline, but a quick look at the frequency response of the old faithful Shure SM58 quickly demonstrates the fact that a mic with an apparently inaccurate ...
Engineering360 News6 年
L Band Frequency Range
Description: 1434 MHz Ceramic Filter Applications L-band applications Portable transceivers for both military and homeland security radio communications Features Surface mount design 166 MHz bandwidth ...
Protect key frequency bands used for satellite communications: Industry
New Delhi: The satellite-communication industry has urged the government to protect the key frequency bands used by them, ...
GSM Arena7 年
Network coverage in Germany
A key part of any mobile phone specification is its operating frequency bands. The supported frequency bands determine whether a certain handset is compatible with a certain network carrier.
PC Magazine5 年
frequency range
Also called a "frequency band." See frequency bands, spectrum, satellite frequency bands and optical bands. (2) A group of frequencies that occur naturally such as the audio spectrum. See audio.
GSM Arena7 年
Network coverage in Kenya
A key part of any mobile phone specification is its operating frequency bands. The supported frequency bands determine whether a certain handset is compatible with a certain network carrier.
Nature6 年
allele frequency
The allele frequency represents the incidence of a gene variant in a population. Alleles are variant forms of a gene that are located at the same position, or genetic locus, on a chromosome.