Data Sheet
QPRO Technical Data Sheet
Document 1137-0901, REV K 16
• External GPS
o GPS Serial Port – If there is no internal GPS, the RS-232 serial port can be used to interface
to an external GPS module or for other application needs.
Pins: 7 (Rx), 8 (Tx), and GND (Pin 9, 12, 26 or 35).
NMEA 0183 data available externally on Pin 7, GPS_TX_RS232
• 9600 Baud, 8 bits, no parity bit, 1 stop bit
• Updates location data every 1 second
The GPS connector has a white circular area and a small hole at the center. This hole has small metal
fingers in it that make contact with the pin in the antenna connector on the GPS patch. This is the center
conductor
.
Do not feed voltage into or short the GPS port to ground. The QPRO supplies DC bias voltage on the
antenna center conductor. Violating this warning may cause damage to the unit and void the warranty.
3.2 Global System for Mobile Communications (GSM)
• Internal GSM
o Performance
Transmit Output Power 2W (Class 4) for 850/900 bands
1W (Class 1) for 1800/1900 bands
Sensitivity -107 dBm @ 850/900 MHz
-106 dBm @1800/1900 MHz
o Features
Band (Quad Dual Band)
• GSM850 (TX: 824.2~ 848.8 MHz/ RX: 869.2 ~ 893.8 MHz)
• EGSM900 (TX:890.0 ~ 914.8 MHz/Rx: 935.0 ~ 959.8 MHz)
o (TX:880.2 ~ 889.8 MHz/Rx: 925.2 ~ 934.8 MHz)
• DCS-1800 (TX:1710.2 ~ 1784.8 MHz/Rx: 1805.2 ~ 1879.8 MHz)
• PCS-1900 (TX:1850.2 ~ 1909.8 MHz/Rx: 1930.2 ~ 1989.8 MHz)
TCP/IP stack
• IP, TCP, SMTP, FTP, UDP, SMS, POP protocols.
92 kbps maximum continuous throughput
Antenna detection (see note below)
In order for the antenna detection circuitry to work properly, the GSM/GPRS antenna must have
10Kohm DC resistance to ground from the center of the coax antenna cable. The user must purchase an
antenna with this feature or the GSM detection will not work. This type of antenna can be obtained through
the following antenna manufacturers: Taoglas, Hirschmann Car Communications, and Tyco Electronics.
• External GSM
o GSM Serial Port - A QPRO that DOES NOT include an internal GSM module has an option
to use an RS-232 serial port to communicate with an external GSM module, or it can be
used as an additional serial port with the use of a custom application. For example, the AUX
Port could be used for an External GSM:
Pins: 5 (Rx), 6 (Tx), and GND (Pin 9, 12, 26, or 35).
Use only approved GSM antennas
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