Chapter 2 – Installation
Multi-Tech Systems, Inc. MultiModem EDGE USB Wireless Modem User Guide 8
Specifications

General Specifications

Mechanical Dimensions & Weight 4.3" L x 2.4" W x 0.94" H; 4.2 oz.
(11 cm x 6.1 cm x 2.4 cm; 119 g)
Connectors & Fasteners Antenna Connection type: SMA jack
Interface Connector: USB Type B
Phone Handset: Modular Handset Jack
SIM receptacle: Standard 3V SIM receptacle
Operating Temperatures -30° to +65°C
Storage Temperatures -40° to +85°C
Humidity Humidity relative 20% to 90% noncondensing
Certifications CE Mark
EMC: FCC Part 2, 15, 22, 24, EN 55022 & EN 55024
Safety: UL 60950, EN 60950

Electrical Characteristics

Switching the GSM modem on/off The device is permanently powered when connected to the USB port.
Voltage Voltage: 5 V DC
GND : 0V

Current Requirements

GSM/GPRS 850/900 GSM/GPRS 1800/1900
Parameters Typ. Typ. Unit
Input average supply current in
comm. mode at Pmax 360 300 mA
Input average supply current in idle
mode 30 30 mA

Antenna/RF Specifications

GSM 850 EGSM 900
Frequency RX 869 to 894 MHz 925 to 960 MHz
Frequency TX 824 to 849 MHz 880 to 915 MHz
RF Power Stand 2W at 12.5% duty cycle 2W at 12.5% duty cycle
Impedance 50 ohms
VSWR <2
Typical Radiated Gain 0 dBi on azimuth plane
GSM 1800 GSM 1900
Frequency RX 1805 to 1880 MHz 1930 to 1990 MHz
Frequency TX 1710 to 1785 MHz 1850 to 1910 MHz
RF Power Stand 1W at 12.5% duty cycle 1W at 12.5% duty cycle
Impedance 50 ohms
VSWR <2
Typical Radiated Gain 0 dBi on azimuth plane