TPM540 Module DeviceEVK as well as a five-color

as well as a five-color LED for different indications

programmable button that connects over nationwide (US only) LTE-M network

cellular positioning technology allow location applications to track both outdoor and indoor positioning in addition to fast Time-to-First-Fix (TTFF)

The Sercomm IoT Button is a cellular based

multi-band dual mode LTE-M/NB-IoT module with ultra-low power consumption

TPM540 Module DeviceEVK as well as a five-colorTPM540 is high performance, muliti band dual mode LTE M NB IoT module with ultra low power consumption. TPM540 provides abundant external interfaces and protocol stacks. Take an advantage of highly integrated module which boasts in Embedded GNSS, a GPS, cellular positioning technology allow location applications to track both outdoor and indoor positioning in addition to fast Time to First Fix (TTFF), integrated MCU and iUICC (iSIM). TPM540 adopts