Overview 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 modules 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. The BC660K-GL uses surface-mount technology, which makes it an ideal solution for durable and rugged designs. The modules small LCC package allows it to be easily embedded into space-constrained applications and to enjoy reliable connection with the applications. This kind of package suits large-scale manufacturing which has strict requirements on cost and efficiency. Due to its ultra-compact profile, super-low power consumption and extended temperature range, the BC660K-GL is an excellent choice for a wide range of IoT applications, such as smart metering, bike sharing, smart parking, smart city, asset tracking, smart safety, home appliances, agricultural and environmental monitoring. It can also provide a complete range of SMS and data transmission services to meet various user demands. Key Features Ultra-low power consumption Ultra-low cost Built-in eSIM reserved Wide power supply range: 2.24.3 V Compatible with Quectel GSM/GPRS M66 and NB-IoT BC66 modules for easy upgrades