Attributes . 830MHz, 1.94GHz, 2.6GHz 2G, 3G, 4G, GSM, LTE Chip RF Antenna 700MHz ~ 960MHz, 1.71GHz ~ 2.17GHz, 2.5GHz ~ 2.7GHz -0.16dBi, -1.55dBi, 0.1dBi, 0.33dBi, 1.75dBi, 2.27dBi, 2.74dBi, 2.75dBi, 3.79dBi, 4.1dBi Solder Surface Mount . Names