There should be 85°C more than 85°C degrees Celsius in the RF circuit board.The Evaluation board type is Transceiver, ISM.A RF Board from the well-known AIR series of products is being offered here.
A1101R09C-EZ4A Features
85°C degrees Celsius Transceiver, ISM Type
A1101R09C-EZ4A Applications
There are a lot of Anaren A1101R09C-EZ4A RF Boards applications.