RF type is Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN) from the Evaluation board.As you can see, this RF Board comes from the well-known Moray, Numbat, WICED series of products.
AMW106-E03 Features
Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN) Type
AMW106-E03 Applications
There are a lot of Silicon Labs AMW106-E03 RF Boards applications.