Different mobile phone networks around the world use different bands. A phone can only be used on a network if it supports the correct band(s). Quad-band usually refers to a phone using GSM ...

Motorola's first quad-band Windows Mobile Smartphone. This feature-packed, clamshell-style smartphone sports a megapixel camera with flash, Bluetooth, dual color displays, internal antenna ...

An RF AGC controller with built-in algorithm was designed to optimize noise or linearity performance in various receiving environment. 3-wire SPI or I2C can be used for easy communication between base ...

BARCELONA, Spain--(BUSINESS WIRE)--Quectel Wireless Solutions, a global leader in IoT and GNSS technology, has announced the launch of the LG680P, a multi-constellation, quad-band GNSS module ...

The GT-BE98 PRO is a quad-band 16-stream Wi-Fi 7 (802.11be ... and USB WAN with 4G/5G mobile tethering, offer versatile connectivity options. For gamers, the GT-BE98 PRO includes Triple-Level ...

Refers to a mobile phone that supports the four major GSM frequency bands (850/900/1800/1900 MHz), making it compatible with all the major GSM networks in the world. The 850/1900 MHz bands are ...