The Quectel RF transceiver module is a navigation and cellular module that operates on a frequency range of 850MHz, 900MHz, 1.561GHz, 1.575GHz, 1.602GHz, 1.8GHz, and 1.9GHz. The module supports protocols such as BeiDou, Galileo, GLONASS, GPS, GNSS, GSM, and GPRS. The module comes in a tape and reel, cut tape, and Digi-Reel package. It has serial interfaces such as ADC, GPIO, PCM, and UART and does not include an antenna. The module is part of the RF and wireless RF transceiver modules and modems category and is an obsolete product with cross-reference alternatives.