Microchip AC164137-2 MRF49XA PICtail Plus wireless transceivers - 3pcs
Description from Microchip:
The MRF49XA PICtail™/PICtail Plus Daughter Board is a demonstration and development
daughter board for the MRF49XA ISM Band Sub-GHz RF Transceiver.
The daughter board can plug into multiple Microchip Technology demonstration and development
boards.
For example, for 8-bit microcontroller development using the PIC18 Explorer Board (DM183032) or for 16-bit microcontroller development using the Explorer 16 Development Board (DM240001).
Please note that one board is missing its antenna, should be easy to repair.