The Laird Connectivity SaBLE-x-R2 is a development Kit with External Antenna Port. SaBLE-x-R2 module fully supports the single mode Bluetooth Low Energy operation and the output power can support class 2.

128 kB Flash/20 kB SRAM
Size: 11.6 mm x 17.9 mm x 2.4 mm
Operating Voltage: 1.8V to 3.8V
Operating Temperature: -40 to +85C
61μA/MHz Active CPU Current