NaviSys Technology - Your Location Partner
SMT Mountable GPS Module / GM-A703
GM-A703, SMT Mountable,
Ultra-High Performance,
GPS Module with Patch Antenna
AGPS support
Overview
Local self-generated ephemeris prediction support
GM-A703 is an easy to use, ultra-high performance, low
Up to 5Hz update rate
power GPS receiver module with patch antenna for AVL
Flies up to 99.99km for high air version.
/marine applications. It supports multiple satellite
High accuracy 1PPS timing
positioning systems
- GPS, QZSS, GLONASS, and
Easy to use: built-in patch antenna
SBAS. The SMT mountable design allows mass
V_BAT pin support for faster position fix
production with automatic assembly.
PWR_CTRL pin to switch GPS module on and off
With GM-A703, the RF tuning efforts and also
dynamically for easy power saving control.
development time is reduced to the minimum. An optional
Blue LED for position fix indication
hardware controlled power switch was built-in. It allows
Fully EMI shielded
power cycling by the PWR_CTRL pin.
Industrial operating temperature range: -40 ~ 85
Notes
Our experienced design fully exhibits the excellent
1. Some features may conflict with other features
performance of SiRFstarV chip. It works in GPS signal
Technical Specifications
difficult environment, provides fast acquisitions and
excellent tracking performance.
Receiver Performance Data+
Receiver Type
52 channels,
Applications
GPS/QZSS: L1 1575.42MHz
Marine GPS plotters
GLONASS
Vehicle navigation devices
L1OF 1598.0625 ~ 1605.375 MHz
Driving recorders
Horizontal
< 2.5m (Autonomous)
Timing (GPS clock, FEMTO cell, traffic lights etc)
Position
(50% 24hr static, -130dBm)
High air balloon
Accuracy
Features
Velocity
<0.01 m/s (speed, autonomous)
High performance: -165dBm tracking sensitivity
Accuracy
<0.01(heading)
Low power: 33mA at continuous tracking
(50%@30m/s)
SMT Mountable with built-in antenna
Time To First Fix
Autonomous
Multi-constellation: GPS/QZSS/GLONASS1
Hot start
<1sec
Supported SBAS: WAAS/EGNOS/MSAS/GAGAN
Warm start
<30sec
NaviSys Technology Corp.
http://www.navisys.com.tw/
Tel : +886-3-5632598
Fax: +886-3-5632597
Sales contact: sales@navisys.com.tw
Technical support: service@navisys.com.tw
Address: 2F, No.56, Park Ave. II, Science-Based Industrial Park, Hsinchu 300, Taiwan (R.O.C.)
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NaviSys Technology - Your Location Partner
SMT Mountable GPS Module / GM-A703
Cold start
<35sec
(50% -130dBm)
Sensitivity
Acquisition: -146dBm (GPS)
(Autonomous)
Tracking: -165dBm (GPS),
-163dBm(GLONASS)
Navigation: -163dBm (GPS),
-159dBm(GLONASS)
Update Rate
Up to 5Hz, default 1Hz
Max. Altitude
<18,000 m (normal version)
99.99 km (high air version)
Max. Velocity
<1,852 km/hr
Datum
WGS-84(default)
Protocol Support
NMEA V4.00: 4800/9600/38400bps
OSP: 115200bps N,8,1;
GGA, GSA, GSV, RMC, VTG
SBAS Support+
WAAS, EGNOS, MSAS, GAGAN
Dynamics
<4g
+ Note. According to IC Spec
16-pin Interface
Pin
Name
Function
I/O
Electrical Data
1
VCC
3.3~5.5VDC Power supply
Input
2
NC
No connection
-
Power Supply
3.3 ~ 5.5 VDC
3
V_BAT
3.3VDC backup battery supply
Input
4
RXA
Port 0 serial data input (GPS in)
Input
Power Consumption
33mA average tracking
5
TXA
Port 0 serial data output (GPS out)
Output
6
NC
No connection
-
Backup Power
3.2 ~ 3.6 VDC
7
NC
No connection
-
8
1PPS
1 Pulse Per Second signal
Output
(V_BAT)
57uA
9
nRESET
Active low, at least 250ms
Input
10
LED
LED display for position fix
Output
Digital I/O
VIH: 0.7 x V_BAT, VIL: 0 ~ 0.4V
11
NC
No connection
-
12
GND
Ground
Input
VOH: 0.75 x V_BAT, VOL ≦ 0.4V
13
PWR_CTRL
“L”: turn off VCC;
Input
“H” or floating: normal
Protocols
NMEA, OSP
14
GND
Ground
Input
15
NC
No connection
-
16
NC
No connection
-
Environmental Data
Operating temperature
-40 ~ 85
Ordering Information
Storage temperature
-40 ~ 85
GM-A703X
Vibration
5Hz to 500Hz, 5g
X=A
standard - patch: 25x25x4, 4800bps, N-8-1
Shock
Half sine 30g/11ms
X=B
standard - patch: 25x25x4, 9600bps, N-8-1
Mechanical Data
Evaluation Board:
NaviSys Technology Corp.
http://www.navisys.com.tw/
Tel : +886-3-5632598
Fax: +886-3-5632597
Sales contact: sales@navisys.com.tw
Technical support: service@navisys.com.tw
Address: 2F, No.56, Park Ave. II, Science-Based Industrial Park, Hsinchu 300, Taiwan (R.O.C.)
2
NaviSys Technology - Your Location Partner
SMT Mountable GPS Module / GM-A703
(a) Top
(b) Bottom
(c) GM-A703 Mounted
(b) mini-USB Connected
*This document is subject to change without notice.
NaviSys Technology Corp.
http://www.navisys.com.tw/
Tel : +886-3-5632598
Fax: +886-3-5632597
Sales contact: sales@navisys.com.tw
Technical support: service@navisys.com.tw
Address: 2F, No.56, Park Ave. II, Science-Based Industrial Park, Hsinchu 300, Taiwan (R.O.C.)
3