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 Ct-G340 S4 |
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The Connectec Ct-G340 S4 GPS module is a high sensitivity, low power, Surface Mount
Device (SMD) that can be compatible to Ct-G348 or fully utilized SiRFstarIV upgrade features.
This 48-channel global positioning system (GPS) receiver is designed for a wide range of
OEM applications and is based on the GPS signal search capabilities of the SiRFstarIV GSD4e
chipset, SiRF’s newest chipset technology. The Ct-G340 S4 provides flexible I/O interfaces
(UART is default, I2C and SPI by customer requirement).
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| Feature |
Item |
Description |
| Chipset |
GSD4e |
SiRF StarIV low power single chipset |
| General |
Frequency |
L1, 1575.42 MHz |
| C/A code |
1.023 MHz chip rate |
| Channels |
48 |
| Accuracy |
Position |
<2.5 meters |
| Velocity |
0.1 meters/second |
| Time |
1 microsecond synchronized to GPS time |
| Datum |
Default |
WGS-84 |
| Other |
selectable for other Datum |
Time to First Fix(TTFF)
(Open Sky &
Stationary Requirements)
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Reacquisition |
0.1 sec., average |
| Snap start |
1 sec., average |
| Hot start |
1~2 sec. |
| Warm start |
9~15 sec. |
| Cold start |
25~35 sec. |
Dynamic Conditions |
Altitude |
18,000 meters (60,000 feet) max. |
| Velocity |
515 meters/second (1000 knots) max. |
| Acceleration |
4g, max. |
| Jerk |
20 meters/second3, max. |
| Power |
Main power input |
2.8 ~ 5.0 VDC input |
| Power consumption |
50 mA (Tracking Mode) |
| Backup Power |
2.8 ~ 5.0 VDC battery input |
| Serial Port |
Pin Header |
DIP type pitch 2.0mm 2x10 pin header |
| Electrical
interface |
UART : NMEA-0183@4800bps |
| Protocol messages |
NMEA-0183@4800 bps (Default) |
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