Features:
Be applicable to GSM850, 900, 1, 800 and 1, 900MHz network
Use high gain external antenna with high signal sensitivity
LCD display, menu operation interface and easy operation
Display caller ID (DTMF)
Barred number setting
Auto dial code conversion
Support 2 SIM cards: GSM (A) and GSM (B)
Conveniently choose GSM (A), GSM (B) or PSTN
Auto-select low cost route according setting
Five working modes: GSM (A+B), PSTN, PSTN/GSM (A+B), GSM(A) and GSM(B)
Technical specifications:
Input voltage: 160 to 280V AC
Power adapter output: 7.5V/3.0A DC
Capacity: 6V/4Ah lead-acid battery optional
Maximum charging current: 600mA
Input voltage: 7.5 to 10V DC
Working current: 1.5A (7.5V DC, average current, excluding charger current)
Operating temperature: 0 to +45o C
Relative humidity: 10 to 95%RH
Environment noise: ≤60dB
Atmospheric pressure: 86 to 106kPa

GSM parameters:
Frequency bands: GSM850, 900, 1, 800 and 1, 900MHz
Frequency stability: Less than 2.5ppm
Receiver sensitivity: Less than -103dbm
Transmit power: Less than 2W (900MHz), less than 1W (1, 800MHz)
SIM card interface: 3V
Antenna impedance: 50Ω
Line interface:
AB line impedance: 600Ω
AB line loop current: 25mA
AB line feeding: 48 ± 4V (hang-up status)
Packing: 10 sets/carton
Inside box:
Dimensions: 32 x 18.5 x 5.5cm
Gross weight: 0.7kg
External carton:
Dimensions: 40 x 36 x 32cm
Gross weight: 8.0kg

Trademark:	ETA TELECOM
Model:	GSM/PSTN Wireless Terminal
Productivity:	50000/month
Unit Price/Payment:	negotiation