User's Manual

NOVATEL WIRELESS
TECHNOLOGIES LTD.
Calgary, Alberta
TITLE:
Hardware Interface Specification for
Expedite Wireless IP Modem
DOCUMENT NO.:
OM-01016529
SHEET:
10 of 17
REV:
3.0
4.2 Host Interface Specifications
4.2.1 Serial Data Rate and Format
The Expedite supports asynchronous data transmission of the following rate and format:
Baud Rate (bits/second) 1200, 2400, 4800, 9600, 19200, 38400
Data bits 7, 8
Parity Even, None, Odd Mark
Stop Bits 1, 2
4.3 Radio Specifications
4.3.1 Airlink Data Rate
Rate - 19200 bits per second
Error correction - Reed Solomon (63,47)
Transmission standard (CDPD System Specification Part 401, Section 4.5.)
4.3.2 Recommended Antenna Type
Type - Half-Wave Dipole
Impedance - 50 ohm nominal
VSWR - 1.5:1 nominal, 2.0:1 maximum
Note that the module is aligned assuming a 1.2 dB antenna gain (cable loss included in antenna gain).
4.3.3 Frequency Range
Mode Frequency Range
Transmit 824 MHz - 849 MHz
Receive 869 MHz - 894 MHz
4.3.4 Duplex Mode
Full-Duplex
(CDPD System Specification Version 1.1 part 409, paragraph 4.2)
4.3.5 RF Power Class
Class III (0.6 Watt ERP)