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 -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 514 m/s
13 Trickle power mode  Duty cycle  ≦34%. (Variable)
14 Update rate Continuous operation: 1Hz
15 Protocol setup It shall store the protocol setupin the SRAM memory.
16 DGPS 1.WAAS, EGNOS
2.RTCM protocol
Interface
17 LNA 17dB Gain. (Typical)
18 I/O Pin 22pin
Mechanical requirements
19 Weight  ≦3.5g
Power consumption
20 Vcc DC 3.3 ±5%
21 Current  33mA@3.3V (Acquisition w/o ext. Antenna) Typical
32mA@3.3V (tracking w/o ext. Antenna) Typical
11mA@3.3V (Standby mode w/o ext. Antenna) Typical
Environment
22 Temperature  - Operating : -40 ~ 85℃
- Storage : -40 ~ 85℃
23 Humidity  ≦95%