Bluetooth® 4.1 with Basic Rate (BR), Enhanced Data Rate (EDR), Low Energy (LE) 54-DSBGA
Bluetooth® 4.1 with Basic Rate (BR), Enhanced Data Rate (EDR), Low Energy (LE) 76-VQFNP-MR -40 to 85

TEXAS INSTRUMENTS CC2540DK-MINI Mini Development Kit based on CC2540 Bluetooth Low Energy System on Chip Solution
Bluetooth® 5.1 with Basic Rate (BR), Enhanced Data Rate (EDR), Low Energy (LE) 76-VQFNP-MR -40 to 85