RoyalTek
Confidential
4
REB-4315 Operational Manual
4 REB-4315 Technical Specification
Impedance
：
50
Ω
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 :
[email protected](Avg Acquisition w/o ext. Antenna)
[email protected](Avg Tracking w/o ext. Antenna)
18
Hibernate Mode
[email protected](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%
