1. Primary Function: Wireless GSM Business Phone 2. GSM Compatibility: Quad band GSM 850/900/1800/1900Mhz 3. SIM Slots: 2 4. Screen Size: 2.4 inch 5. Power Source: Wall adapter or internal 3.7V 1000mAh li-ion battery 6. Battery Talking Time: 2-3 hours 7. Battery Standby Time: up to 48 hours 8. Dimensions: H:190 x W:170 x D:50 (mm) Package Contents 1. GSM Desk fixed wireless phone x 1 2. EU Power Adapter x 1 3. User Manual x 1 4. Battery x 1 5. Antenna x 1 6. Handle line x 1 Key Technical index: 1. Networks support: GSM 850/900/1800/1900Mhz 2. Frequency range: - GSM 850MHz(Transmits: 824-849MHz,Receives:869-894MHz) - GSM 900MHz(Transmits: 890-915MHz,Receives:935-960MHz) - GSM 1800MHz(Transmits: 1710-1785MHz,Receives:1805-1880MHz) - GSM 1900MHz(Transmits: 1850-1910MHz,Receives:1930-1990MHz) 3. Voltage: DC 5V 4. Talk time: 2-6 hours 5. Charging time: 6 hours 6. Power consumption:Static<=25mA Emission: <=500mA 7. Peak poer consumption: 025W/05W 8. Relative Humidity: 10% ~ 95% 9. Receiving sensitivity: -106db 10. Antenna increment: All directions: 3.5db, Certain / selection: 12db Features: 1. Large, easy to read,four lines, backlight LCD with status icons 2. Choice ring sounds, Power on/off 3. Caller ID 4. Lock national call 5. Lock card, lock phone, lock keyboard 6. Speed dial 7. Missed call,received call,dialed call and call duration 8. Long battery stand-by and talk time 9. Speaker Phone 10. Adjustable ring and voice volume 11. AC Power Supply 12. Menu driven interface for easy operation and configurationSpecification: Package Weight One Package Weight 0.76kgs / 1.67lb One Package Size 28cm * 22cm * 7cm / 11.02inch * 8.66inch * 2.76inch Qty per Carton 10 Carton Weight 8.90kgs / 19.62lb Carton Size 46cm * 37cm * 30cm / 18.11inch * 14.57inch * 11.81inch Loading Container 20GP: 522 cartons * 10 pcs = 5220 pcs40HQ: 1212 cartons * 10 pcs = 12120 pcs