AA003041-G Navman Wireless, AA003041-G Datasheet - Page 16

• Manufacturer Part Number: AA003041-G
• Description: MODULE JUPITER 31 GPS W/R/A OSX
• Manufacturer: Navman Wireless

Specifications of AA003041-G

• Frequency: 1.575GHz
• Sensitivity: -159dBm
• Modulation Or Protocol: GPS
• Applications: GPS
• Data Interface: Connector, 2 x 10 Header, 2 mm Pitch
• Antenna Connector: OSX
• Voltage - Supply: 3.3V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Data Rate - Maximum: -
• Current - Receiving: -
• Other names: 943-1007

7.0 Jupiter 21/31 comparison
This section highlights the differences between the Jupiter 21 and Jupiter 31 to assist
with upgrade in legacy applications. For more detailed information refer to the Jupiter 31
Application Note: Comparison between Jupiter 31 and Jupiter 21/J21S (LA010812).
7.1 Receiver architecture
7.2 Antenna specification
7.3 Electrical interface
The following table highlights the differences between the electrical connector pin
configurations.
7.4 Default baud rates
LA010811B © 2008 Navman Wireless OEM Solutions. All rights reserved. Proprietary information and specifications subject to change without notice.
receiver design
pin
15
20
Feature
Port A
Port B
*Jupiter 31 does not support DGPS
While these are the default baud rates, they can be changed using the “write-to-flash”
feature. Refer to the Application note for WTF.
GPSFIX (active low)
Jupiter 21 name
Port
antenna gain
RXB
Feature
SiRFStarIIe/LP
Table 7-2: Antenna specification
Table 7-1: Receiver architecture comparison
Table 7-3: Electrical interface comparison
Jupiter 21
Table 7-4: Default baud rate comparison
chipset
NMEA, 4800
DGPS, 9600
Jupiter 31 name
active antenna gain
should be in the range
of 20 to 30 dB
J21
WAKEUP
RXB
Jupiter 21
GSC3e/LP chipset
SiRFStarIII
Jupiter 31
J21: second serial data input port. J21/J21D
J31: does not support DGPS messages.
J21: outputs low when the receiver has a fix,
J31: Push-to-fix wakeup on positive going
Defaults to
only receives DGPS messages in RTCM
(J21S does not support DGPS).
high otherwise
edge.
best results achieved
with an active antenna
gain of 16 dB at the
module input
comparison
NULL, 38 400*
Jupiter 31
NMEA, 4800
1) J31 has faster TTFF
2) J31 has lower power
3) J31 has greater receiver
Null
Differences
Performance differences
consumption
sensitivity
J31
port.
1