UMTS2100/1900/850/900: Power Class 3 (+24dBm +1/-3dBm) GSM/GPRS 850MHz: Power Class 4 (+33dBm ±2dBm) GSM/GPRS 1900MHz: Power Class 1 (+30dBm ±2dBm) EDGE 850MHz: Power Class E2 (+27dBm ±3dBm) EDGE 1900MHz: Power Class E2 (+26dBm -4/+3dBm) LTE B38/B39/B40/B41:Power Class 3(+23dBm±2dBm) LTE B1 B3 B5 B7 B20 28A 28B:Power Class 3(+23dBm±2dBm)