RS31C Operating System Android 7.0 (GMS) CPU Quad Core Cortex A53 1.5GHz Memory 2GB RAM, 16GB Flash Expansion MicroSD card slot support up to 32GB SIM/SAM 2 SIM , 1 SAM Battery 2,960mAh WWAN LTE, HSPA+ SKU 1 - EU+ China+ India SKU 4G FDD LTE Bands 1(2100),3(1800),7(2600),8(900),B20(800) 4G LTE TDD : Bands 38, 39 ,40 ,41 SKU 2 - America SKU (AT&T, Verzion, Rogers, Mexico) B2(1900),B4(1700),B5(850),B7(2600),B12(700),B13(700),B17(700) SKU 3 - JP SKU B1(2100),B3(1800) ,B8(900),B11(1500),B18(800),B19(800) ,B26(850) WLAN 802.11 a/b/g/n dual band WPAN Bluetooth v4.1 dual mode GNSS Built-in GPS/GLONASS, A-GPS, Beidou Reader CCD , 2D imager NFC Support peer-to-peer, card reader & card emulation, RFID HF 13.56MHz(ISO14443A&B & ISO 15693) Camera 8 mega pixel Display 4.7 inch, HD, with capacitive touch Dimension 159 x 80 x 17.3 mm / 159 x 80 x 24.5 mm (Rader side) Weight < 260g IP IP67 Drop 1.2m Temperature Operating: -20°C to 50°C, Storage: -30°C to 70°C Benchmark TC55 / EDA 50 (Honeywell) / PA720 (Unitech) RS31 RS31C