SKY66111 Low-Power BLUETOOTH® Low Energy Module Skyworks Solutions Inc. SKY66111 Low-Power BLUETOOTH® Low Energy Module is a highly integrated front-end module (FEM). The SKY66111 is designed for Bluetooth Low Energy (BLE) range extension applications operating in the 2.4 to 2.485GHz range. The device is housed in a 3.3mm x 3.0mm x 0.8mm 20-pin MCM package. Skyworks SKY66111 Low-Power BLUETOOTH® Low Energy Module is ideal for range extenders, beacons, sensors, and home automation.