REX012864HWPP3N00000 is a Raystar part number. This part is a RTK differential correction satellite receiver manufactured by Raystar. It is a GNSS Smart Antenna with a built-in NTRIP function. This receiver is a GPS, GLONASS and GLONASS-GPS system. It has 4 frequency bands and is capable of dual-frequency differential correction. This receiver is used for applications such as surveying and mapping. Features include Compact Design with top-mounted antenna, ultra low power consumption, NTRIP caster/client compatibility, durable weatherproof/waterproof IP67 rated design, and built-in power-over-Ethernet support.