China Telecom NB-IoT IoT Card
Low-power IoT SIM card based on telecom NB-IoT networks, suitable for smart metering and environmental monitoring.
电信NB-IoT物联卡专为低功耗广覆盖场景设计，电池寿命可达数年。适用于智能水表、燃气表、环境监测站等需要长期运行、小数据量传输的物联网应用。支持海量设备连接，单小区可承载数万终端。
Low-power IoT SIM card based on telecom NB-IoT networks, suitable for smart metering and environmental monitoring.
电信NB-IoT物联卡专为低功耗广覆盖场景设计，电池寿命可达数年。适用于智能水表、燃气表、环境监测站等需要长期运行、小数据量传输的物联网应用。支持海量设备连接，单小区可承载数万终端。