RF type is Transceiver; 802.11 a/b/g/n/ac (Wi-Fi, WiFi, WLAN) from the Evaluation board.As you can see, this RF Board comes from the well-known PremierWave® series of products.
PWGG2052000K Features
Transceiver; 802.11 a/b/g/n/ac (Wi-Fi, WiFi, WLAN) Type
PWGG2052000K Applications
There are a lot of Lantronix, Inc. PWGG2052000K RF Boards applications.