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RoyalTek Confidential 4
REB-4315 Operational Manual
4 REB-4315 Technical Specification
Impedance：50Ω
No Function Specification
GPS receiver
1 Chipset
SiRF Star IV, GSD4e
2 Frequency L1 1575.42MHz.
3 Code C.A. Code.
4 Channels 48 track verification channels
5 Sensitivity (Acquisition) It shall show C/No ≧ 40 dB-Hz when external power
= -130dBm.
6 Cold start 35 sec (50% -130dBm Fu 0.5 ppm Tu ±2s Pu 30km)
7 Warm start 35 sec (50% -130dBm Fu 0.5 ppm Tu ±2s Pu 30km)
8 Hot start 1 sec (50% -130dBm Fu 0.5 ppm Tu ±2s Pu 30km)
9 Reacquisition 0.1sec typical
10 Position accuracy 2.5meters(50% 24hr static, -130dBm)
11 Maximum altitude 18288 m
12 Maximum velocity 514 m/s
13 Update rate 1Hz
14 Protocol setup NMEA0183 standard V3.01 and
backward compliance-Adjustable by firmware
Interface
15 I/O Pin 22pins
Power consumption
16 Vcc DC 1.8v(Max. 1.89v)
17 Current
GPS :
Typ.52mA@1.8V(Avg Acquisition w/o ext. Antenna)
Typ.41mA@1.8V(Avg Tracking w/o ext. Antenna)
18
Hibernate Mode Typ.20uA@1.8V(Average w/o ext. Antenna)
Mechanical requirements
19 Dimension(mm) 13*15*2.2
20 Weight ≦3g
Environment
21 Operating temperature -30 ~ 85℃
22 Humidity ≦95%