RF Transceiver utilizes, band signals, wireless transmitter, Wifi transceiver

 SP3077E Series 16 Mbps ±15 kV ESD Protected RS-485/RS-422 Transceiver-NSOIC-8

https://www.futureelectronics.com/p/semiconductors--wireless-rf--transceiver-ics/sp3077een-l-maxlinear-6064642