RF transmitter circuit, rf-modules-solution, GPS Module, radio-frequency module

 SX1272 Series 3.7 V 20 dBm 1020 MHz 300 kbps Integrated UHF Transceiver

https://www.futureelectronics.com/p/semiconductors--wireless-rf--rf-modules-solutions--lora/sx1272imltrt-semtech-7037343