The SinoGNSS N2 base unit is a palm-sized GNSS receiver with an integrated UHF radio and GSM modem, configurable as a stand-alone base station for RTK correction broadcasting. Built on ComNav's K8 GNSS engine, it tracks over 1,590 signal channels across all major constellations and operates over a UHF range of roughly 15 km. It is IP67-rated for dust and water resistance, runs on a 10,000 mAh battery for about 20 hours, and supports Bluetooth, USB-C and serial connections for setup and data output.