Multi-Tech Systems Mtcba-e ユーザーズマニュアル

Chapter 1 – Product Description and Specifications 

Multi-Tech Systems, Inc. MultiModem EDGE Wireless Modem User Guide 

7 

 

Power Requirements 

5 V to 32VDC; 400mA Average @5V, 1A Peak @ 5V 

Circuit Switched Data/Fax Features 

Asynchronous, non-transparent up to 14.4K bps 
Group 3 Fax, Class1 

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: Standard 3V SIM receptacle 
Serial Connector: 15-pin RS232 SUB D female (DE15S) 
Pins: RS232 link, audio link, BOOT, RESET 
Power Connector: 2.5mm miniature power jack (screw-on) 

Operating Temperatures 

-30° to +65°C 

Storage Temperature 

-40° to +85°C 

Humidity 

Relative humidity 20% to 90% noncondensing 

Certifications 

CE Mark, R&TTE 
EMC: FCC Part 2, 15 Class A, 22, 24, EN 55022 & EN 55024 
Safety: cUL, UL 60950, EN 60950 
Network: PTCRB 

 
 
 

 

Electrical Characteristics 

Switching the GSM modem on/off 

The device is permanently powered (when connected to the power 
supply). 

Voltage Range 

Voltage range : 5 to 32V DC  
GND : 0V 

Over voltage and Under voltage 

Correct operation of the Wireless MultiModem in communication 
mode is not guaranteed if input voltage falls below 5V.  

 
 

Input Supply Voltage 

   5 

13.2 

32 

5 

13.2 

32 

V 

Input peak supply current in comm. mode at P

max

      

1 

.4 

.2 

1 

.4 

.2 

A 

Input average supply current in comm. mode at 
P

max

               

360 150  75 300 

125  70 

mA 

Input average supply current in idle mode                   30 

10 

10 

30 

10 

10 

mA 

 
 

 

 

 

 

GSM 1800 

GSM 1900 

869 to 894 MHz 

925 to 960 MHz 

1805 to 1800 MHz 

1930 to 1990 MHz 

824 to 849 MHz 

880 to 915 MHz 

1710 to 1785 MHz 

1850 to 1910 MHz 

2W at 12.5% duty 
cycle 

2W at 12.5% duty 
cycle 

1W at 12.5% duty 
cycle 

1W at 12.5% duty 
cycle