Trac20120 Desktop LoRaWAN Gateway. Adopting, SX1302 chip and high-performance CPU, Trac20120 can not only set up packet forwarding connection between more than 2000 end nodes and mainstream network servers (such as TTN, Chirpstack, etc.), but also cover up to 2 km in urbanized environment as a blind-filling gateway. With compact size, it is an ideal supplement for Trac20121 or Trac20122 for blind-filling in complex environment or wide indoor areas such as office, parking lots, campuses, etc