The CAM-M8C from u-blox is a GNSS module which allows concurrent reception of GPS/QZSS, GLONASS, BeiDou signals. This module has an embedded omnidirectional chip antenna which spans the L1 band. It has a sensitivity of -167 dBm and is available in a compact light weight package which measures 9.6 x 14.0 x 1.95 mm.