GPS receiver
1 Chipset  SiRF Star IV, GSD4e ROM version (SiRF-9333)
2 Frequency L1 1575.42MHz.
3 Code C.A. Code.
4 Channels 48 track verification channels
5 Sensitivity
- Tracking Sensitivity -159dBm
- Autonomous Acquisition -148dBm
6 Chipset Cold start
(open sky)
35 sec
7 Chipset Warm start
(open sky)
35 sec
8 Chipset Hot start
(open sky)
1 sec
9 Reacquisition 0.1sec typical
10 Position accuracy  within 10m for 90% (24hr static, -130dBm)
11 Maximum altitude 18000 m
12 Maximum velocity 515 m/s
13 Update rate 1Hz
14 Protocol Default 9600bps GGA(1),GSA(1),GSV(5),RMC(1)
Interface
15 I/O Pin 30pins
Power consumption
16 Vcc DC +3.3V@ ±5%
17 Current
Normal mode: VCC_IN CURRENT
TYP. ≦40mA@3.3V(without ext. antenna)
Hibernate mode :VBATT current
TYP. 20uA@3.3V(without ext. antenna)
Mechanical requirements
18 Dimension(mm)  25.4x25.4x2.9mm+/-0.2(mm)
19 Weight  ≦3g
Environment
20 Operating/Storage  -40 ~ 85℃