What to know before you purchase a cellular phone signal booster (Wi-ex yx510) / cellular phone repeater ? What is a cellular phone repeater system? A typical system consists of an out of doors antenna, an amplifier that requires AC or DC power and an inside antenna. The inside antenna is usually attached to the amplifier on less highly effective systems.
How do cellular phone repeaters work? For incoming calls, the surface antenna, called a ?donor? antenna, picks up the signal, boosts it and sends it to the amplifier via a coax cable that connects the two devices. The amplifier boosts the signal again and projects it wirelessly over a given area, through the inside antenna. For outgoing calls the sequence is reversed.
What is a mobile signal? Cellular phone alerts, like television and radio alerts, are radio frequency alerts, or waves. Technically, they?re electromagnetic waves.
What are mobile frequencies? They are radio frequency levels. The FCC controls the air waves in America and approves completely different frequency ranges for each service supplier, or carrier. Sometimes, 800 MHz to 894 MHz and 1850 MHz to 1990 MHz are reserved for Canada, North America and South America. The 800 MHz and 1800 MHz frequencies are reserved for other continents.
Why can?t I get a cellular phone signal inside a building? Radio frequency alerts at the mobile degree simply is not going to penetrate strong building materials any extra dense than, say, sheetrock. They won?t penetrate asphalt or concrete shingles, radiant limitations, brick or most wooden, even pressboard types. If you should utilize a cellular phone or laptop air card in a building, it is probably because it is close enough to the cellular phone (Wi-ex yx520) tower and situated so the alerts go through uncovered, non-tinted windows.
In case you have a superb signal exterior, the least costly resolution will probably be to set a excessive acquire antenna like our 9 dBi Blackcat! on an inside window sill and join it directly to your cellular phone withan adapter made for it. In case your cellular phone doesn?t have an external port, your probably resolution will probably be a cellular phone signal booster (Wi-ex yx540) / wi-fi repeater system, just like the Wilson DeskTop Repeater Package, which broadcasts alerts over an area, so there is no such thing as a want for an antenna port in your cell phone.
In the US who uses which mobile frequencies? Sometimes, Sprint and Tmobile use 1900 MHz. ATT, Verizon and Alltel use each 850 MHz and 1900 MHz. Nextel, the walkie-talkie a part of Sprint/Nextel uses 806/866 MHz.
What do the cellular phone acronyms imply? They refer to various digital code studying technologies for cell telephones and laptop air playing cards / data cards. See beneath:
CDMA: Code-Division A number of Access (CDMA) is a digital wi-fi service that transfers data at rates from 40 to a hundred and forty four Kbps. Not like GSM, which assigns a particular frequency to each consumer, CDMA uses each channel to make use of the total out there spectrum.
EDGE: Enhanced Information for World Evolution (EDGE) is a faster GSM wi-fi service, that can give data rates up to 384 Kbps. It?s based mostly on the GSM standard and uses CDMA.
EV-DO: Evolution, Information Optimized (EV-DO) is a excessive-pace wi-fi data connection know-how within the CDMA network. This know-how permits customers access to excessive-pace internet through moveable units up to 3.1 Mbps.
GPRS: Common Packet Radio Service (GPRS) is a packet oriented Mobile Information Service out there for 3G cell phones. It offers data rates from 56 up to 114 kbit/s and us used with services similar to Wireless Application Protocol (WAP) access, Quick Message Service (SMS), Multimedia Messaging Service (MMS), and for Web communication services similar to electronic mail and World Huge Internet access.
GSM: World System for Mobile Communications (GSM) is a digital mobile system that uses TDMA, permits a frequency to admit multiple calls and simultaneous channels of data.
HSDPA: Excessive-Pace Downlink Packet Access (HSDPA) is a 3G (third era) cellular phone data code studying know-how within the HSPA household, working with UMTS to have increased data transfer speeds and capacity. Present HSDPA deployments help down-link speeds of 1.8, 3.6, 7.2 and 14.4 Mbit/s.
Source: http://www.htcflyerreviews.com/cell-phone-booster-ampampampamp-cell-phone-repeater-faq/
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