RoyalTek Confidential
6
REB-1315LP Operational Manual
1.4 REB-1315LP Technical Specification
Impedance
：
：
：
：
50
Ω
No
Function
Specification
GPS receiver
1
Chipset
SiRF Star III, GSC3f/LP
(Digital, RF in a single package)
2
Frequency
L1 1575.42MHz.
3
Code
C.A. Code.
4
Channels
20 parallel
5
Chipset Sensitivity
-159dBm
6
Chipset cold start
35 sec @ open sky (avg.)
7
Chipset warm start
35 sec @ open sky (avg.)
8
Chipset hot start
1 sec @ open sky (avg.)
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 Testability
It shall be able to be tested by SiRF testmode 4 and
single channel simulator.
16 Protocol setup
It shall store the protocol setup in the SRAM memory.
17 DGPS
WAAS, EGNOS
Interface
18 LNA
15dB Gain. (Typical)
19 I/O Pin
22pin
Mechanical requirements
20 Weight
≦
3.5g
Power consumption
21 Vcc
DC 3.3 ±5%
22 Current
GPS :
Typ. 48mA@3.3V (Avg Acquisition w/o ext. Antenna)
Typ. 45mA@3.3V (tracking w/o ext. Antenna)
Typ. 12mA@3.3V (Standby mode w/o ext. Antenna)
Environment
23 Operating temperature
-40 ~ 85
℃
