The Laird Connectivity Sterling-LWB5 U.FL Module. This module variant is supplied in a compact, 84 pin, LGA footprint, it requires the addition of either an off-module antenna or RF connector, as well as the associated matching components. WLAN and Bluetooth coexistence
Operating voltage: VBAT = 3.20V to 3.60V, VDDIO = 1.71V to 1.89V
Operating temperature: -40 to +85o C