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RoyalTek reb-3000 User Manual

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RoyalTek RGM-3000/REB-3000 
GPS Module Operational Manual) 
 
1 
RoyualTek GPS Module: 
RGM-3000/REB-3000 
Operational Manual 
Introduction 
RGM-3000/REB-3000 is the third generation of 
RoyalTek GPS Receiver. RGM-3000(E,M) 
consists of active antenna and GPS receiver. 
REB-3000(or RGM-3000L) consists of GPS 
receiver without active antenna. The GPS 
receiver is powered by SiRF Star II technology 
and RoyalTek proprietary navigation algorithm 
that providing you more stable navigation data. 
The miniature design is the best choice to be 
embedded in a portable device like PDA, 
mobile phone, person locator and vehicle 
locator. It supports TricklePower function which 
can be enabled by external command for 
power saving. The excellent sensitivity of 
RGM-3000 gets the great performance when 
going though the urban canyon and foliage. 
Product Features 
RGM-3000/REB-3000 
 
OEM product development is fully 
supported through applications 
engineering and WEB technique 
forum. 
 
Small form factor. 
 
12 parallel channels 
 
0.1 second re-acquisition time. 
 
Enhanced algorithm for navigation stability. 
 
NMEA-0183 compliant protocol/custom 
protocol. 
 
WAAS demodulator 
 
Excellent sensitive for urban canyon and 
foliage environments. 
 
Single satellite positioning. 
 
Dual multi path rejection. 
 
Data-log capability – At least 1 Mega-bits   
memory space will be implement in the 
product 
Product applications 
RGM-3000/REB-3000 
 
Portable IA device for personal navigation/ 
position commerce (P-Commerce) 
 
Automotive applications 
 
Personal positioning and navigation 
 
Marine navigation 
 
Timing application 
 Extendable I/O capability –     
provide programming I/O function and   
development tool kit for customer
 
 
Technique description 
RGM-3000M, RGM-3000E 
General information. 
The RGM-3000 is a 
stamp size GPS receiver with an active 
antenna. It provides the antenna power 
through RF cable. The default DC input of 
active antenna is 2.8 ~3.3V. Since it needs 3 
satellites or more to do the first position fix. 
The suitable view angle of the active antenna 
is necessary. It will determine the first time 
position update after getting good satellites 
geometry. If the satellites are blocked, it may 
take time to determine the position. Caution: 
Please do not put any metal stuff on the 
antenna.
 It results in GPS receiver getting 
nothing. In urban canyon, the fast 0.1 second 
re-acquisition capability can make it determine 
the position right away through the