The ATmega256RFR2 Xplained Pro starter kit is ideal for evaluation and prototyping with the ATmega256RFR2 microcontroller. The ATmega256RFR2 Xplained Pro board is available as an evaluation kit or starter kit. Extension boards can also be individually purchased.
The ATmega256RFR2-XSTK starter kit includes the I/O1 Xplained Pro, OLED1 Xplained Pro, and PROTO1 Xplained Pro extension boards.
If all you need is just the MCU evaluation board, the ATmega256RFR2-XPRO evaluation kit is available and does not include extension boards.