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   > Products & Services
 

SGM-209


GPS Mouse Receiver(SiRF-III)


1. Introduction
1.1 Overview
The ProGin SGM-209 series GPS receiver incorporates low noise, high sensitivity, low power consumption SiRF Star chipset solution in a compact, waterproof enclosure. The receiver is very suitable for broad applications such as car navigation, mapping, surveying, etc. Only clear view of sky and certain power supply are necessary to the unit. It communicates with other host device via
one full duplex serial communication RS-232 port or one universal USB port. With its ultra low power consumption, the receiver tracks up to 20 satellites at a time while offering fast time-to-first-fix.
1.2 Features
The SGM-209 series provides a host of features that make it easy for integration and use.
1. Based on SiRFs GSC3f low power single chip.
2. High performance: -159dBm tracking sensitivity.
3. Low power: 31/44mA at continuous tracking.
4. Backup battery support for faster position fix.
5. Waterproof design for all weather..
6. One full duplex serial RS-232 port or USB port meets all applications.
7. Blue LED for position fix indication.
8. Built-in low noise, high gain active antenna.
9. SBAS (WAAS and EGNOS) support (optional).
10. Support Standard NMEA-0183 and SiRF Binary protocol.
1.3 Electrical Characteristics
General
Frequency L1, 1575.42 MHz
Channels 20 channels all in view tracking
Antenna internal
Sensitivity
Tracking -159 dBm
Acquisition -142 dBm
(-142 dBm 28dB-Hz with 4dB noise figure)
Accuracy
Position < 2.5m (Autonomous)
< 2.0m (WAAS)
(50% 24hr static, -130dBm)
Time to Fist Fix(Autonomous, Open Sky)
Hot start <1 sec
Warm start <35 sec
Cold start <42 sec
(50% 24hr static, -130dBm)
Dynamic Conditions
Altitude < 18,000 meters (60,000 feet)
Velocity < 515 meters/sec (1000 knots)
Acceleration < 4g
Jerk 20 meters/sec max
Power Supply
Main power input 5.0 V DC input (SGM-209-USB)
3.3~5.0 V DC input (SGM-209-PS2, SN4, RS232)
Power Consumption
Supply Current 44mA/average tracking (SGM-209-USB)
31mA/average tracking (SGM-209-PS2, SN4, RS232)
Serial Port
Electrical interface One full duplex serial communication via RS232/ TTL interface.
Protocol message NMEA-0183, SiRF Binary.
Default NMEA GGA, GSA, GSV, RMC, (VTG, GLL, and ZDA optional).
4800 baud rate (other rate optional).
8 bits data, 1 stop bit, no parity.
Environmental Data
Operating temperature range -40~85 except
Storage temperature range Battery: -20~60
Operating humidity 5%-95% non-condensing
Waterproof IPX6

2. Hardware Interface
2.1 Dimension
The receiver enclosure is with the dimension:
36 mm (L) x 42 mm (W) x 15 mm (H)
2.2 Interface
The SGM-209 series GPS receiver includes a variety of models. The main difference is the output
connector. These interface options are described in the following.
SGM-209 PS2
SGM-209 is with a PS2 DIN jack output connector. Following figure shows various connection
arrangements. The one-piece cigarette lighter adapter assembly allows you to utilize power from the
front power socket of vehicles. Simply connect SGM-209 to the PS-2 plug of the adapter assembly
and link the other connector to your PDA. For Notebook users, a PS-2 to USB adapter assembly is
required. This is an optional purchase. A CD with USB driver is provided with the assembly. For
users intend to use RS-232 port of PC or Notebook, the other optional adaptor assembly can be
purchased.
SGM-209 USB
This model provides users a direct connection to a Notebook or other host devices with USB
connectors. USB driver is required and provided in the CD.
SGM-209 SN4
This model provides users a direct connection to SN4 connector. It is convenient for users with SN4
connector in their host devices.
2.3 Connector
Following are the description of the output connector.
SGM-209-PS2
Standard cable is two meters in length with a female PS-2 Jack. Pin assignment of standard PS-2 Din
Jack connector is in the following drawing and table.

 


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