Laird RMB024

Overview
"WB45NBT 1.0", "WMDA-154N_V00", and "ESX-X08-2900R_RoHS" is silkscreened on the SoC board in the FCC photos.
 * .. which matches up with the Summit (now a Laird subsidiary) WB45NBT board here. The WB45NBT seems to support single-stream 802.11a/b/g/n (AR6003) and Bluetooth 4.0 (CSR8510).

Links of Interest

 * What is RAMP? @ Laird