Bivocom TG501 is an industrial cellular RTU designed for remote monitoring and control applications, such as, water & waste water management, pump station, gas & oil, smart energy, smart grid, smart building, precision agriculture. t has rich I/O for connecting to diverse sensors and controllers, with built in protocol MQTT*, Modbus RTU, TCP/UDP, that allows user to transfer the data from field devices to cloud. We understand that there are applications require high speed, better, wider coverage and low cost RTU, so we make TG501 with option of 4G LTE, 3G and LTE CAT M1/NB-IoT, to meet your needs.