GE2929P / GE2929P-N
Features
- 20 channel SiRF StarIII7989 positioning engine
- Ultra high sensitivity to -159 dBm
- SBAS (WAAS, MSAS, and EGNOS) support
- Supports Power saving modes
- Build in backup battery
- Support UART and RS232 ports
- Ultra low power consumption 60mW
- Ultra miniature 29X 29 mm dimension.
- Operating temperature range: -30 to 85°C
- RoHS compliant (lead-free)
Block diagram

Technical Specifications
1. Electrical Characteristics
1.1 Chipset SiRF StarIII GSC3eLP
1.2 General Frequency: L1, 1575.42MHz
Channels, C/A code: 20 1.023 MHz chip rate, 8192 time/frequency search windows
1.3 Accuracy
Position: 5 meters CEP ; Time: 50 nanosecond rms (1 PPS)
1.4 DGPS Accuracy
Position: 2.0 meters CEP
1.5 Acquisition Rate
Reacquisition: < 1 sec, typical; Cold start: 35 sec, typical ; Warm start: 35 sec, typical; Hot start: 1 sec, typical
1.6 Sensitivity
Tracking: -159dBm; Acquisition/Reacquisition: -155dBm; Cold start: -144dBm
1.7 Dynamic Condition
Altitude: 18,000 meters (60,000 Feet) max. ; Velocity: 515 meters /sec (1000 Knots) max.
1.8 Power
Main Power: 3.3 VDC typical ; Supply current: 40 mA ; Backup power: 1.4 ~ 5V
1.9 Serial Port
Electrical interface: UART, RS232 ; Protocols: NMEA0183 v3.0
2. Environmental Characteristics
2.1 Temperature
Operating range: - 30 °C to + 85 °C
2.3 Interface
I/O connector: 6 pin pitch 1.0mm connector(GE2929P), 12 pin pitch 1.27mm(GE2929P-N)
PIN assignment
Dimension
Pin Definition
Pin# |
Name |
Type |
Description |
| 1 |
T-TX |
Output |
UART TXD output |
| 2 |
T-RX |
Input |
UART RX input |
| 3 |
R-TX |
Output |
RS232 TX |
| 4 |
R-RX |
Input |
RS232 RX |
| 5 |
Vcc |
PWR |
DC power input 3.3 - 5V |
| 6 |
GND |
PWR |
Ground |
GE-2929P-N JP2 (CPA-2001-1230 from CSTCONN)
Pin# |
Name |
Type |
Description |
| 1,12 |
NC |
|
|
| 2,11 |
Vcc |
PWR |
DC power input 3.3 - 5V |
| 3,10 |
T-TX |
Output |
UART TX output |
| 4,9 |
T-RX |
Input |
UART RXD input |
| 5,8 |
GND |
PWR |
Ground |
| 6 |
Reset |
Input |
|
| 7 |
NC |
|
|
Boot: High Boot from Flash, Low Boot from serial port
1pps: Time plus
2*6 Pitch 1.27mm
Output NMEA Messages
NMEA-0183 Output Messages
NMEA Sentence |
Description |
| GGA (default) |
Global Positioning System Fixed Data |
| GLL |
Geographic Position - Latitude/Longitude |
| GSA (default) |
GNSS DOP and Active Satellites |
| GSV (default) |
GNSS Satellites in View |
| RMC (default) |
Recommended Minimum Specific GNSS data |
| VTG |
Course Over Ground and Ground Speed |
| ZDA |
Time and Date |
The detail information please refers to GEXXXX series GPS module NMEA protocol reference manual. |