The M66 is a compact Quad-band GSM/GRPS module using Leadless Chip Carrier (LCC) castellation packaging. Based on the latest 2G chipset, it has the optimal performance in SMS & Data transmission and audio service even in harsh environment. The M66 works at frequencies of GSM850MHz, EGSM900MHz, DCS1800MHz and PCS1900MHz. The M66 features GPRS multi-slot class 12.
Small Quad-band GSM/GPRS module Easy soldering process with LCC package Power consumption as low as 1.3mA in SLEEP mode Support Voice, Bluetooth®, QuecFOTA™ and Quectel OpenCPU function Embedded powerful Internet service protocols, multiple Sockets & IP addresses Module Dimensions 15.8 x 17.7 x 2.3 mm
GSM/GPRS Mobile Communications Modules - Quectel
GSM (Global System for Mobile Communications) / GPRS (General Packet Radio Service) are 2G wireless technology.