Specifications, Functions – cdma usb modes, Electrical characteristers – Multi-Tech Systems MTCBA-C-U User Manual
Page 9

Chapter 1 – Product Description and Specifications
Multi-Tech Systems, Inc. MultiModem CDMA USB Wireless Modem User Guide
9
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
Operating Temperatures
-20° to +55°C
Storage Temperatures
-40° to +85°C
Humidity
Relative humidity 20% to 90% noncondensing
Certifications
EMC: FCC Part 2, 15, 22, 24, EN 55022,
EN 55024
Safety: cUL, UL 60950, EN 60950
Network: CDG 1 & 2
Functions – CDMA USB Modes
Mode
Description
Standard
Dual Band 800/1900 CDMA
Interface
USB 12 Mbps. AT command set based on TIA/EIA/IS707.3, V.25ter and CDMA 07.05 & 07.07
SMS
Mobile Originated (MO) and Mobile Terminated (MT), Over the Air Activation (OTA), OTASP,
and OTAPA
Data
Asynchronous 2400, 4800, 9600, and 14400 bps.
Transparent and Non-Transparent modes.
Mode 3.1 KHz (PSTN) and V110 (ISDN).
Fax 2400/4800/7200/9600
bps
Class 2.0 Group 3 compatible.
Electrical Characteristers
Electrical Characteristics
Switching the modem on/off
The device is permanently powered by the PC.
Voltage Range
Voltage range : 4.75 to 5.25 coming from the PC
Overvoltage and Undervoltage
Correct operation of the Wireless MultiModem in communication mode is
not guaranteed if input voltage falls below 4.75.
Current Requirement
Parameters
800 MHZ
1900 MHZ
Typ.
Typ.
Unit
Input supply current in comm. mode at full Tx power
500
500
mA
Input supply current in comm. mode at average Tx power
240
250
mA
Input supply current in idle mode
50
50
mA