GPS receiver
1 Chipset  SiRF Star III, GSC3f/LPx
(Digital, RF in a single package)
2 Frequency L1 1575.42MHz.
3 Code C.A. Code.
4 Channels 20 parallel
5 Chip Sensitivity Tracking: -159dBm.
6 Chip Cold start 35 sec @ open sky (Typical)
7 Chip Warm start 35 sec @ open sky (Typical)
8 Chip Hot start 1 sec @ open sky (Typical)
9 Reacquisition 0.1sec typical
10 Position accuracy 10meters at 2D RMS.
11 Maximum altitude 18000 m
12 Maximum velocity 515 m/s
13 Update rate Continuous operation: 1Hz
14 Protocol setup It shall store the protocol setup in the SRAM memory.
15 DGPS 1.WAAS, EGNOS
2.RTCM protocol
Interface
16 LNA 18dB Gain. (Typical)
17 I/O Pin 28pins
Mechanical requirements
18 Weight  ≦3.5g
Power consumption
19  VCC DC +3.0~3.6V
20  V_BCKP DC +1.4~3.6V
21  Current  Avg. ≦28mA@3.3V(without ext. antenna)
Environment
22 Temperature  - Operating : -40 ~ 85℃
- Storage : -40 ~ 85℃
23 Humidity  ≦95%