RF transceiver module, rf transmitter, rf transceiver chip, usb transceiver

 SP3072 Series 0.25 Mbps 3.3 V Half-Duplex SMT RS 485 Transceiver - SOIC-8N

https://www.futureelectronics.com/p/semiconductors--wireless-rf--transceiver-ics/sp3072een-l-maxlinear-3075405