RoyalTek | REB-3300 | User manual | RoyalTek REB-3300 User manual

REB-3300 Operational Manual
REB-3300 Operational Manual
Version 1.0
2004/11/24
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.
8F,256 Yang Guang Street, Neihu Chiu,Taipei, Taiwan, R.O.C.
TEL: 886-2-77215000
FAX: 886-2-77215666
http://www.royaltek.com/contact
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REB-3300 Operational Manual
RoyalTek GPS Module: REB-3300 Operational Manual
INTRODUCTION.................................................................................................................... 3
PRODUCT FEATURES ....................................................................................................…. 3
PRODUCT APPLICATIONS .................................................................................................. 3
PRODUCT PICTURE................................................................................................................ 4
REB-3300 SERIES SYSTEM BLOCK DIAGRAM.................................................................. 5
REB-3300 TECHNIQUE SPECIFICATION..........................................................................…. 6
APPLICATION CIRCUIT .....................................................................................…………..
7
RECOMMENDED LAYOUT PAD ............................................................................………….. 8
GPS ANTENNA SPECIFICATION .......................................................................................….9
MECHANICAL LAYOUT .......................................................................................……….…...10
HARDWARE INTERFACE …….............................................. ................................................11
DEFINITION OF PIN ASSIGNMENT ........................................................ ......................……12
TEST SOFTWARE SPECIFICATION ..............……......................................... ......................14
SOFTWARE INTERFACE................................................................................…… ……….…15
NMEA V3.0 PROTOCOL..................................................................................…… ……….…15
GPS RECEIVER USER’S TIPS......................................................................................……..20
MTBF ESTIMATION………………….............................................. .......................……......… 21
PACKAGE SPECIFICATION AND ORDER INFORMATION................. ................……......…21
CONTACT INFORMATION SECTION....................................................................……......…21
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REB-3300 Operational Manual
RoyalTek GPS Module: REB-3300 Operational Manual
Introduction
RoyalTek REB-3300 low power and small form factor board is the newest generation of
RoyalTek GPS Receiver. The GPS receiver is powered by SiRFStarIIe/LP technology with
XTrac 2.0 firmware and RoyalTek proprietary navigation algorithm that providing you more
stable navigation data. The smallest form factor and miniature design is the best choice to be
embedded in a portable device like PDA, personal position and navigation like personal locator,
speed camera detector and vehicle locator. The excellent sensitivity of REB-3300 gets the
great performance when going though the urban canyon and foliage.
Product Features
12 parallel channels
Operable from 3.3V/65mA continuous mode.
SMT type with stamp holes
Pin reserved for Backup battery and RF connector
TCXO design
7 I/O lines(GPIO) available to connect
0.1 second reacquisition time
Small form factor.
NMEA-0183 compliant protocol/custom protocol.
Enhanced algorithm for navigation stability.
Excellent sensitive for urban canyon and foliage environments.
SBAS (WAAS, EGNOS and MSAS) support
Auto recovery while RTC crashes
Trickle power supported
ARM 7 CPU core accessible
4/8/16Mbits Flash Memory
Optional
SiRFStarII normal version firmware
SiRFStarII enhance(ES) version firmware
XTrac 2.0 high sensitivity(HS) version firmware
Product applications
Automotive navigation
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REB-3300 Operational Manual
Personal positioning and navigation
Marine navigation
Timing application
Product Picture
REB-3300
Pin16
Pin 15
Pin 32
Pin 1
REB-3300 Interface Board
RoyalTek Evaluation Kit REV-2000 for REB-3300
(Please refer to RoyalTek Evaluation Kit REV-2000 for REB-3300 Operational Manual
for more information)
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REB-3300 Operational Manual
REB-3300 Series System Block Diagram
REB-3300 engine board consists of SiRF star IIe/LP chipset technology, 4/8/16Mbits flash
memory, and proprietary software. The system is described as follows.
a. Support external active patch antenna
b. Support 4/8/16 Mega bits flash memory
c.
30 I/O pins
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REB-3300 Operational Manual
REB-3300 Technique Specification
Impedance:50Ω
No
Function
GPS receiver
1
Chipset
2
Frequency
3
Code
4
Channels
5
Sensitivity (Tracking)
6
Sensitivity (Cold Start)
7
Sensitivity (Warm Start)
8
Cold start
9
Warm start
10
Hot start
11
12
13
14
15
16
17
Reacquisition
Clock drift
Clock offset
Position accuracy
Maximum altitude
Maximum velocity
Trickle power mode
18
19
Update rate
Navigation filter
20
Testability
22
23
Protocol setup
DGPS
Interface
24 LNA
25
I/O Pin
Specification
SiRF GSP 2e/LP, GRF 2i/LP
L1 1575.42MHz.
C.A. Code.
12.
It shall show C/No ≧ 37 dB-Hz when external power =
-130dBm.
28 dBHz (SSII normal version software)
28 dBHz (SSII ES version software)
16 dBHz (SSII XTrac version software)
36 dBHz (SSII normal version software)
33 dBHz (SSII ES version software)
32 dBHz (SSII XTrac version software)
36 dBHz (SSII normal version software)
33 dBHz (SSII ES version software)
28 dBHz (SSII XTrac version software)
45sec typical (SSII normal version software, Open sky)
75sec typical (SSII ES version software, Open sky)
45sec typical (SSII XTrac version software, Open sky)
38sec typical (SSII normal version software, Open sky)
40sec typical (SSII ES version software, Open sky)
35sec typical (SSII XTrac version software, Open sky)
8 sec. typical (SSII normal version software, Open sky)
18 sec. typical (SSII ES version software, Open sky)
4 sec. typical (SSII XTrac version software, Open sky)
0.1sec typical
≦ 200Hz in 60 sec
90000Hz≦Clock offset≦100000Hz
≦25m CEP.
18000 m
514 m/s
Duty cycle ≦ 34%. (Variable)
Default: disable(option: enable)
Continuous operation: 1Hz
It shall freeze the navigation update when speed ≦
2.5 km/hr
It shall be able to be tested by SiRF test II and single channel
simulator.
It shall store the protocol setup in the SRAM memory.
1.WAAS, EGNOS
2.RTCM protocol
On board LNA :
a. Gain ≧14dB
b. N.F. < 2dB
30pin stamp holes
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REB-3300 Operational Manual
Mechanical requirements
26 Weight
Power consumption
27 Vcc
28 Current
29
30
Trickle power mode
Power down mode current
Environment
31 Operating temperature
32 Humidity
33 Interface Protocol
≦3.5g
DC 3.3 ±5%
REB3300:
Current ≦65mA@3.3V typical (w/o ext. antenna)
Average current ≦ 65mA. (IO float)
1. It means that the GPS receiver is in power down mode.
2. Current ≦800μA.
-40 ~ 85℃
≦95%
1. NMEA 0183 ver 3.0, GGA, GSA, RMC and GSV once per
2. SiRF Protocol
3. 4800 bps, 8 data bits, no parity, 1 stop bits
Application Circuit
(1) Ground Planes:
REB-3300 GPS receiver needs two different ground planes. The GND_A pin(11、
12、13、14、15、16、18) shall be connect to analog ground.
The GND pin(2、10、30) connect to digital ground.
(2) Serial Interface:
The Serial interface pin(RXA、TX1、TXB、RXB) is recommended to pull up(10KΩ).
It can increase the stability of serial data.
(3) Backup Battery:
It’s recommended to connect a backup battery to V_BAT.
In order to enable the warm and hot start features of the GPS receiver. If you don’t
intend to use a backup battery, connect this pin to GND or open.
If you use backup battery, shall need to add a bypassing capacitor (10uF) at V_bat
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REB-3300 Operational Manual
trace. It can reduce noise and increase the stability.
(4) Antenna:
Connecting to the antenna has to be routed on the PCB. The transmission line must
to controlled impedance to connect RF_IN to the antenna or antenna connector of
your choice.
(5) Active antenna bias voltage:
The Vcc_RF pin(pin 20) is provide voltage 3.0V. If you use active antenna, you can
connect this pin to V_ANT_IN pin (pin 19) to provide bias voltage of active antenna.
The bias voltage will through RF_IN pin to provide active antenna bias voltage from
Vcc_RF pin.
If your bias voltage of active antenna isn’t 3.0V, you can input bias voltage to
V_ANT_IN pin(pin 19).And input bias voltage of you need. It can open if you use
passive antenna. The input bias voltage will through RF_IN pin to provide active
antenna bias voltage from V_ANT_IN pin.
The maximum power consumption of active antenna is about 100mW
(6) Power:
Connect Vcc pin to DC 3.3V.The power supply must add bypassing capacitor(10uF
and 1uF).It can reduce the Noise from power supply and increase power stability.
Recommended layout PAD
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REB-3300 Operational Manual
GPS Antenna Specification (Recommendation)
Active patch antenna
Receiving freq. 1575.42 +/-1.032MHz
Polarization RHCP
Output impedance 50 Ohm
2 stage LNA
Connection: surface mounted on main PCB
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REB-3300 Operational Manual
Mechanical Layout
1
2
3
項次
Mechanical requirements
1 REB-3300
2
Weight
料
號
品
名
1
1T0SBN25**
2
1T0SBN26**
SHIELD-LNA
3
PSB*01****
M-PCB REB-3300 V*.*
4
NSB0000A**
REB-3300 M-PCB (SMD)
Length= 25.4 mm
Width= 25.4 mm
Thickness= 3mm
3.5g
10
SHIELD-RF
備 註
REB-3300 Operational Manual
Hardware interface
Definition of Pin assignment
Pin # Signal Name
1
VCC
2
3
GND
Bootselect
I/O Description
I
DC Supply Voltage
input
G Ground
I
Boot mode
4
RXA
I
5
TXA
6
Characteristics
DC +3.3V±10%
Digital Reference Ground
Serial port A
V IH ≥ 0.7V * VCC
VIH ≥ 0.7V *VCC
V IL ≤ 0.3V * VCC
VIL ≤ 0.3V *VCC
O
Serial port A
VOH ≥ 2.4V
VOL ≤ 0.4V
TXB
O
Serial port B
VOH ≥ 2.4V
VOL ≤ 0.4V
7
RXB
I
Serial port B
8
GPIO3
V IH ≥ 0.7V * VCC
I/O General –purpose I/O VIH ≥ 0.7V * VCC
9
RF_ON
O
10
11
|
16
17
18
19
GND
GND_A
G
G
Indicates power state
of RF part
Digital Ground
Analog Ground
RF_IN
GND_A
V_ANT_IN
I
G
I
20
VCC_RF
O
21
V_BAT
I
22
23
Reset
GPIO10
I
Reset (Active low)
I/O General purpose I/O
VOH ≥ 2.4V
GPS Signal input
Analog Ground
Active Antenna Bias
voltage
Supply Antenna Bias
voltage
Backup voltage supply
11
V IL ≤ 0.3V * VCC
VIL ≤ 0.3V * VCC
VOL ≤ 0.4V
VOH = 2.85V
VOL = 0V
Digital Reference Ground
Analog Reference Ground
50 Ω @1.57542GHz
Analog Reference Ground
Receiving DC power supply for active antenna
bias.
VO = 3.0V ±0.3
DC + 2.6 ~ +3.6V
Current ≤ 10uA (w/o battery)
VIH > 2.3V V IL < 0.8V
VIH ≥ 0.7V * VCC
VIL ≤ 0.3V * VCC
VOH ≥ 2.4V
VOL ≤ 0.4V
REB-3300 Operational Manual
24
GPIO6
I/O General purpose I/O
25
GPIO5
I/O General purpose I/O
26
GPIO7
I/O General purpose I/O
27
28
GPIO13
GPIO15
I/O General purpose I/O
I/O General purpose I/O
29
PPS
O
30
GND
G
VIH ≥ 0.7V * VCC
VIL ≤ 0.3V * VCC
VOH ≥ 2.4V
VOL ≤ 0.4V
VIH ≥ 0.7V * VCC
VIL ≤ 0.3V * VCC
VOH ≥ 2.4V
VOL ≤ 0.4V
VIH ≥ 0.7V * VCC
VIL ≤ 0.3V * VCC
VOH ≥ 2.4V
VOL ≤ 0.4V
VIH ≥ 0.7V * VCC
VIL ≤ 0.3V * VCC
VOH ≥ 2.4V
VOL ≤ 0.4V
VIH ≥ 0.7V * VCC
VIL ≤ 0.3V * VCC
VOH ≥ 2.4V
VOL ≤ 0.4V
One pulse per second VOH ≥ 2.4V
VOL ≤ 0.4V
Digital Ground
Digital Reference Ground
Definition of Pin assignment
VCC(+3.3V DC power Input)
This is the main DC power supply input pin. It provides voltage to module.
GND
GND provides the ground for digital part.
Bootselect
Set this pin to high for programming flash.
RXA
This is the main receiver channel and is used to receive software commands to
the board from SIRFdemo software or from user written software.
PS: Pull up if not used.
RXB
This is the auxiliary receiving channel and is used to input differential
corrections to the board to enable DGPS navigation.
PS: Pull up if not used.
TXA
This is the main transmitting channel and is used to output navigation and
measurement data to SiRFdemo or user written software.
TXB
For user’s application (not currently used).
RF_ON
This pin indicates state of RF voltage.
RF_IN
This pin receiver signal of GPS analog .due to the RF characteristics of the
signal the design has to certain criteria. The line on the PCB from the
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REB-3300 Operational Manual
antenna(or antenna connector) has to be a controlled impedance line
(Microstrip at 50Ω).
V_ANT_IN
This pin is reserved an external DC power supply for active antenna.
If using 3.0V active antenna, pin 19 has to be connected to pin 20.
If using 3.3V or 12V active antenna ,this pin has to be connected to 3.3V or 5V
power supply.
VCC_RF
This pin provides DC voltage 3.0 for active antenna.
Reset
This pin provides an active-low reset input to the board. It causes the board to
reset and start searching for satellites. If not utilized, it may be left open.
PPS
This pin provides one pulse-per-second output from the board, which is
synchronized to GPS time. This is not available in Trickle Power mode.
Backup battery (V_BAT)
This is the battery backup input that powers the SRAM and RTC when main
power is removed. Typical current draw is 10uA.
Without an external backup battery or super cap, the TMP will execute a cold
start after every power on. To achieve the faster start-up offered by a hot or
warm start, either a battery backup must be connected or a super cap installed.
To maximize battery lifetime, the battery voltage should not exceed the supply
voltage and should be between 2.5V and 3.6V.
With the super cap (B1) installed, and after at least ten minutes of continuous
operation, the data retention is about seven hours.
Note that even though all other components are rated at –40 to +85 deg C , a
typical super cap is specified over a temperature range of –25 to +70 deg C and
a typical rechargeable Lithium battery is over –20 to +70 deg C.
GPIO Functions
Several I/Os are connected to the digital interface connector for custom
applications.
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REB-3300 Operational Manual
Test Software Specification
No
Function
Specification
1
Clock offset
88000Hz≦VAL≦104000Hz
2
Clock Drift
VAL≦200Hz
3
C/No Hi Power Mean
VAL≧38dB
4
C/No Hi Power Sigma
VAL≦2dB
5
Bit Sync
VAL≦5 Sec
6
Frame Sync
VAL≦28 Sec
7
Phase Error
VAL≦0.22°
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REB-3300 Operational Manual
Software Interface
NMEA V3.0 Protocol
Its output signal level is TTL: 4800 bps (default), 8 bit data, 1 stop bit and no parity. It supports
the following NMEA-0183
Messages: GGA, GLL, GSA, GSV, RMC and VTG.
NMEA Output Messages: the Engine board outputs the following messages as shown in Table
1:
Table 1 NMEA-0183 Output Messages
NMEA Record
Description
GGA
Global positioning system fixed data
GLL
Geographic position – latitude / longitude
GSA
GNSS DOP and active satellites
GSV
GNSS satellites in view
RMC
Recommended minimum specific GNSS data
VTG
Course over ground and ground speed
GGA-Global Positioning System Fixed Data
Table 2 contains the values of the following example:
$GPGGA, 161229.487, 3723.2475, N, 12158.3416, W, 1, 07, 1.0, 9.0, M, , , ,0000*18
Table 2 GGA Data Format
Name
Example
Units
Description
Message ID
$GPGGA
UTC Position
161229.487
hhmmss.sss
Latitude
3723.2475
ddmm.mmmm
N/S Indicator
Longitude
GGA protocol header
N
N=north or S=south
12158.3416
Dddmm.mmmm
E/W Indicator
W
E=east or W=west
Position Fix Indicator
1
See Table 2-1
Satellites Used
07
Range 0 to 12
HDOP
1.0
Horizontal Dilution of Precision
MSL Altitude
9.0
meters
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REB-3300 Operational Manual
Units
M
meters
Geoid Separation
meters
Units
M
meters
Age of Diff. Corr.
second Null fields when DGPS is not
used
Diff. Ref. Station ID
0000
Checksum
*18
End of message termination
<CR><LF>
Table 3
Position Fix Indicator
Value
Description
0
Fix not available or invalid
1
GPS SPS Mode, fix valid
2
Differential GPS, SPS Mode, fix valid
3
GPS PPS Mode, fix valid
GLL-Geographic Position –Latitude/Longitude
Table 3 contains the values of the following
Example: $GPGLL, 3723.2475, N, 12158.3416, W, 161229.487, A*2C
Table 3 GLL Data Format
Name
Example
Message ID
$GPGLL
Latitude
N/S Indicator
Longitude
3723.2475
N
12158.3416
E/W Indicator
W
UTC Position
161229.487
Status
Checksum
<CR><LF>
A
Units
Description
GLL protocol header
ddmm.mmmm
N=north or S=south
Dddmm.mmmm
E=east or W=west
hhmmss.ss
A=data valid or V=data not valid
*2C
End of message termination
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REB-3300 Operational Manual
GSA-GNSS DOP and Active Satellites
Table 4 contains the values of the following example:
$GPGSA, A, 3, 07, 02, 26, 27, 09, 04, 15, , , , , , 1.8,1.0,1.5*33
Table 4 GSA Data Format
Name
Example
Message ID
$GPGSA
Units
Description
GSA protocol header
Mode 1
A
See Table 4-2
Mode 2
3
See Table 4-1
Satellite Used
07
Sv on Channel 1
Satellite Used
02
Sv on Channel 2
….
….
Satellite Used
Sv on Channel 12
PDOP
1.8
Position Dilution of Precision
HDOP
1.0
Horizontal Dilution of Precision
VDOP
1.5
Vertical Dilution of Precision
Checksum
*33
End of message termination
<CR><LF>
Table 4-1 Mode 1
Value
Description
1
Fix not available
2
2D
3
3D
Table 4-2 Mode 2
Value
Description
M
Manual-forced to operate in 2D or 3D mode
A
Automatic-allowed to automatically switch 2D/3D
GSV-GNSS Satellites in View
Table 5 contains the values of the following example:
$GPGSV, 2, 1, 07, 07, 79, 048, 42, 02, 51, 062, 43, 26, 36, 256, 42, 27, 27, 138,
42*71$GPGSV, 2, 2, 07, 09, 23, 313, 42, 04, 19, 159, 41, 15, 12, 041, 42*41
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REB-3300 Operational Manual
Table 5 GGA Data Format
Name
Message ID
Number of
Example
Units
$GPGSV
Description
GSV protocol header
2
Range 1 to 3
Messages Number1
1
Range 1 to 3
Satellites in View
07
Satellite ID
07
Elevation
79
degrees Channel 1(Maximum 90)
Azimuth
048
degrees Channel 1(True, Range 0 to 359)
SNR (C/No)
42
Messages1
Channel 1(Range 1 to 32)
dBHz
Range 0 to 99, null when not
tracking
….
….
Satellite ID
27
Channel 4(Range 1 to 32)
Elevation
27
degrees Channel 4(Maximum 90)
Azimuth
138
degrees Channel 4(True, Range 0 to 359)
SNR (C/No)
42
dBHz
Range 0 to 99, null when not
tracking
Checksum
*71
End of message termination
<CR><LF>
1
Depending on the number of satellites tracked multiple messages of GSV data may be required.
RMC-Recommended Minimum Specific GNSS Data
Table 6 contains the values of the following example:
$GPRMC, 161229.487, A, 3723.2475, N, 12158.3416, W, 0.13, 309.62, 120598, ,*10
Table 6 GGA Data Format
Name
Example
Message ID
$GPRMC
UTC Position
161229.487
Status
Latitude
N/S Indicator
Longitude
E/W Indicator
Speed Over Ground
Units
RMC protocol header
hhmmss.sss
A
A=data valid or V=data not valid
3723.2475
ddmm.mmmm
N
N=north or S=south
12158.3416
dddmm.mmmm
W
0.13
Description
E=east or W=west
knots
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REB-3300 Operational Manual
Course Over
309.62
degrees
True
Ground
Date
120598
Magnetic Variation
Checksum
ddmmyy
degrees
E=east or W=west
*10
End of message termination
<CR><LF>
VTG-Course Over Ground and Ground Speed
Table 7 contains the values of the following example:
$GPVTG, 309.62, T, , M, 0.13, N, 0.2, K*6E
Table 7 VTG Data Format
Name
Message ID
Course
Reference
Example
$GPVTG
309.62
degrees Measured heading
True
degrees Measured heading
M
Speed
0.13
Units
N
Speed
0.2
Units
K
Checksum
Description
VTG protocol header
T
Course
Reference
Units
Magnetic
knots
Measured horizontal speed
Knots
km/hr
Measured horizontal speed
Kilometer per hour
*6E
End of message termination
<CR><LF>
19
RoyalTek
REB-3300 Operational Manual
GPS Receiver User’s Tip
1. GPS signal will be affected by weather and environment conditions, thus suggest to use the
GPS receiver under less shielding environments to ensure GPS receiver has better receiving
performance.
2. When GPS receiver is moving, it will prolong the time to fix the position, so suggest to wait for
the satellite signals to be locked at a fixed point when first power-on the GPS receiver to
ensure to lock the GPS signal at the shortest time.
3. The following situation will affect the GPS receiving performance:
a. Solar control filmed windows.
b. Metal shielded, such as umbrella, or in vehicle.
c.
Among high buildings.
d. Under bridges or tunnels.
e. Under high voltage cables or near by radio wave sources, such as mobile phone base
stations.
f.
Bad or heavy cloudy weather.
4. If the satellite signals can not be locked or encounter receiving problem (while in the urban
area), the following steps are suggested:
a. Please plug the external active antenna into GPS receiver and put the antenna on
outdoor or the roof of the vehicle for better receiving performance.
b. Move to another open space or reposition GPS receiver toward the direction with less
blockage.
c.
Move the GPS receiver away from the interferences resources.
d. Wait until the weather condition is improved.
5. While a GPS with a backup battery, the GPS receiver can fix a position immediately at next
power-on if the build-in backup battery is full-recharged.
Copyright © 2004, RoyalTek Company Ltd.
RoyalTek
REB-3300 Operational Manual
MTBP Estimation
MTBF > 10000 hours
Package Specification and Order Information
Shipment Method: Tape and reel
Protocol
S/W Version
1
REB-3300
0. Standard
2
0. Customize
Package
label
3
0. Standard
1.ES
1. GGA,GSA,GSV(5),RMC,4800
2.XTRAC
3. GGA,GSA,GSV(5),RMC,57600
4. RMC,9600
Contact Information Section
Contact : sales@royaltek.com
Headquarter:
Address: 8F, 256 Yang Guang Street, Neihu Chiu, Taipei, Taiwan, R.O.C.
Tel: 886-2-77215000
Fax: 886-277215666
Web Site: http://www.royaltek.com
Web Site Customer Service: http://www.royaltek.com/contact
Revision History
Copyright © 2004, RoyalTek Company Ltd.
RoyalTek
Title
REB-3300 Operational Manual
REB-3300 GPS Receiver Module
Doc Type User Manual
Revision
Date
Number
0.1
7.Sep 2004
0.5
15 Oct 2004
1.0
24 Nov 2004
Author
Ben
Ben
Ben
Change notice
Initial version
First release
Application circuit, package antenna specification
Copyright © 2004, RoyalTek Company Ltd.
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