Bivocom launched an extremely embedded 4g router TR331, to support those IoT applications that require compact IoT router for easily embedding into their field controller or equipement.
Designed based on Openwrt Linux OS, it allows the IoT maker and designer to implement their IoT application with high ROI rate. It is only 5x5cm, and has RJ45 ethernet port, RS232, RS485, TTL, Micro SD card, supports 4G LTE or LTE CAT M1/NB-IoT and Python/C/C++ programmable.
Bivocom can help you to quickly make your IoT design concept come true. Bivocom offers OEM/ODM service for IoT designers, makers and IoT hardware suppliers.