KH1NB(4G)C3000-03-A/3 is an electronic part with antennas manufactured by Kinghelm. It is a 4G LTE module that supports frequency bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, and 66 for uplink and downlink. It is compliant with RoHS requirements and is designed to provide a broad range of features, including dual-band Wifi, Bluetooth, GPS, Glonass, and BeiDou. The module is equipped with two antennas, allowing it to support an up to 150 Mbps 4G LTE data rate. In addition, it features network optimization, ultra-low power consumption, and low latency.