RoyalTek RGM-3550LP User Manual
RGM-3550LP User Manual
Version 1.3
2008/11/19
RGM-3550LP User Manual
This document contains information highly confidential to RoyalTek Company
LTD (RoyalTek). It is provided for the sole purpose of the business discussions
between supplier and RoyalTek and is covered under the terms of the
applicable Non-Disclosure Agreements. Disclosure of this information to other
parties is prohibited without the written consent of RoyalTek.
Prepared by RoyalTek Company LTD.
4F, No.188 Wen Hwa 2nd Rd., Kuei Shan,
Tao Yuan 33383, Taiwan
TEL: 886-3-3960001
FAX: 886-3-3280976
http://www.royaltek.com/contact
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RGM-3550LP User Manual
0. Revision History
Rev Release Date Change Description Editor
1.0 2007/3/26 Initial Draft Amanda Lee
1.1 2007/4/30 Current-Acquisition: 50mA (typical) Tracking: 45mA
(typical)
1.2
2007/5/14
Chipset Sensitivity: -159dBm (tracking)
Cold start: 35 sec@ open sky
Warm start: 35 sec@ open sky
Hot start:1 sec @ open sky
1.3 2008.11.19 Add 25x25x2mm patch antenna
Amanda Lee
Amanda Lee
Amy Liu
drawing
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RGM-3550LP User Manual
Content
1. Introduction...............................................................................................4
2. RGM-3550LP Picture and Pin Definition...................................................5
3. RGM-3550LP System Block Diagram.......................................................6
4. RGM-3550LP Technique Specification......................................................7
5. Mechanical Layout..................................................................................10
6. How to Assemble/Fix RGM-3550LP .......................................................11
7. Software Specification and NMEA Protocol ............................................12
8. Package Specification and Order Information.........................................18
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RGM-3550LP User Manual
RoyalTek GPS Module: RGM-3550LP Operational Manual
1. Introduction
RoyalTek RGM-3550LP smart antenna GPS module (patch antenna embedded and
external antenna supported) is inherited from RGM-3550, but lower power
consumption than RGM-3550. The smart antenna GPS module is powered by SiRF
Star III technology and RoyalTek proprietary navigation algorithm that providing you
more stable navigation data.
The 6-pin connector design is the easiest and convenient solution to be embedded in
a portable device and receiver like PND, GPS mouse, car holder, personal locator,
speed camera detector and vehicle locator. The excellent sensitivity of RGM-3550LP
gets the great performance when going though the urban canyon and foliage.
Product Features
20 parallel channels.
-159 dBm high GPS sensitivity.
Excellent sensitive for urban canyon and foliage environments.
Operable from 3.3V, average tracking current is 45mA@3.3V and average
Acquisition current is 50mA.
6 pin Wire-to-Board (WTB) connector type.
GPS status light output.
TCXO design.
0.1 second reacquisition time.
Dimension is 35±0.3(L)x 31±0.3(W)x 8.55/6.55±0.5(H) mm.
Weight ≦16.5g.
NMEA-0183 compliant protocol/custom protocol.
Enhanced algorithm for navigation stability
SBAS (WAAS, EGNOS and MSAS) support and the default SBAS is enable
Lead-Free
Backup battery (installed)
Product Applications
Personal Navigation Device including GPS PDA and GPS Handheld
GPS receiver including GPS mouse and Bluetooth GPS receiver
Personal positioning and navigation
Marine navigation
Timing application
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RGM-3550LP User Manual
2. RGM-3550LP Picture and Pin Definition
Pin 1
Pin 6
31 ±0.3 mm 35 ± 0.3mm
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b
RGM-3550LP User Manual
3. RGM-3550LP System Block Diagram
System block diagram description:
Patch antenna with 1 Stage LNA
4Mega bits flash memory on chip
MMCX External Antenna Supported
6 pin I/O pin (see page 7, Interface pin definition)
GPS Patch Antenna
LNA
MMCX Switch
Connector
External Antenna
SAW
SIRF GSC3F
with 4M Flash
RF frontend +BaseProcessor
TCXO XTAL
6 Pin I/O
and
6
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