which is an App PandwaRF is a RF analysis tool with a sub-1 GHz wireless transceiver controlled by a smartphone or a PC. Its purpose is to capture, display & transmit RF data very easily. It can be connected to an Android smartphone using BLE or USB, and to Linux using USB. It is based on the well-known RfCat & Yard Stick One tools with the Texas Instruments CC1111 RF transceiver, but with a lot of new features, making PandwaRF the perfect portable RF analysis tool.

https://play.google.com/store/apps/details?id=com.comthings.pandwarf