The BC660K-GL is a high-performance LTE Cat NB2 module which supports multiple frequency bands of B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B28/B66/B70/B85 with extremely low power consumption. The module’s ultra-compact profile makes it a perfect choice for size-sensitive applications. Designed to be compatible with Quectel’s GSM/GPRS M66 module and NB-IoT BC66 module in form and size, it provides a flexible and scalable platform for migrating from GSM/GPRS to NB-IoT networks.