CAT S40 4G 16GB 4.7in Android Black

PRODUCT : CATERPILLAR CAT S40 DUAL SIM RUGGED FACTORY UNLOCKED 4G/LTE CELL PHONE COLOUR : BLACK / SILVER MEMORY : 16GB MODEL NO : S40 - DUAL SIM SIMCARD TYPE : NANO-SIM NUMBER OF SIMS: DUAL SIM FREQUENCIES : COMPATIBLE TO USE WITH NETWORK SIM CARDS THAT WORKS ON SIM 1 2G : GSM 850 / 900 / 1800 / 1900 and/or 3G : 850(B5) / 900(B8) / 2100(B1) and/or 4G : LTE 800(B20) / 900(B8) / 1800(B3) / 2100(B1) / 2600(B7) and SIM 2 2G : GSM 850 / 900 / 1800 / 1900