Searching for Quad Band Gsm Support information? Find all needed info by using official links provided below.
https://www.phonescoop.com/glossary/term.php?gid=139
Compared to a tri-band phone supporting the 900 / 1800 / 1900 bands, a quad-band phone adds support for GSM 850 for full coverage in the Americas.
https://en.wikipedia.org/wiki/Multi-band_device
In telecommunications, a multi-band device (including dual-band, tri-band, quad-band and penta-band devices) is a communication device (especially a mobile phone) that supports multiple radio frequency bands. All devices which have more than one channel use multiple frequencies; a band however is a group of frequencies containing many channels. Multiple bands in mobile devices support roaming ...
https://en.wikipedia.org/wiki/GSM_frequency_bands
GSM frequency bands GSM band ... As a more recent example the Apple iPhone 5 and iPhone 4S support quad-band GSM at 850/900/1800/1900 MHz, quad-band UMTS/HSDPA/HSUPA at 850/900/1900/2100 MHz, and dual-band CDMA EV-DO Rev. An at 800/1900 MHz, for a total of 'six' different frequencies (though at most four in a single mode). ...
https://www.amazon.com/MakerFocus-Antenna-Support-Message-Microcontroller/dp/B075H9XW9H
Mar 05, 2018 · MakerFocus GPS Module, GSM GPRS GPS Module 3 in 1 Quad Band GSM/GPRS IPEX Antenna DC 5-9V Support Voice Short Message for Arduino STM32 51 Microcontroller MCU Description: This 3 in 1 small module with various functions that sending voice and short message, browsing webpages and collecting GPS.3.7/5(26)
https://www.amazon.com/Anysun-Gateway-Channel-Support-change/dp/B01M4M6EQQ
Aug 09, 2019 · Amazon.com : Anysun Quad Band GSM 4 Gateway 4 Channel GSM Voip Gateway Support VPN & IMEI change&SMS, 4 GSM Chips (GoIP-4) : Office Products2.3/5(2)
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