The T-Mobile 4G LTE prepaid SIM card is the right plan for all IoT applications that require reliable connectivity. Note: 64 kbps speed is the maximum speed; you may experience slightly lower speeds at times. Supports any 4G LTE-enabled GSM device. Intended for the T-Mobile network. No contracts and no pre-qualifications. Not for Cat M or NB-IoT networks. Sample applications include telematics/remote monitoring, alarm panels, asset tracking, IoT devices for agricultural and industrial applications, etc.