unicore UM220-IV NL, Инструкция по установке и эксплуатации, Страница: 7 / 23

UM220-IV NL User Manual
2
1.2 Key Features
Power
Voltage +3.0~3.6 VDC
Power consumption 1 50mW
RF Input
Input VSWR ≤2.5
Input impedance 50Ω
Antenna gain 15
～
30dB
Physical Characteristics
Dimension 16.0*12.2*2.4mm
Weight 0.8g
Environment
Operating Temperature -40˚C ~ +85˚C
Storage Temperature -45˚C ~ +90˚C
RoHS Compliant
Input/ Output Data Interface
UART 2 UART, LVTTL. Baud rate 4800
～
115200bps
GNSS Performance
Frequency
BDS B1
：
1561.098MHz
GPS L1
：
1575.42MHz
TTFF
Cold Start
：
28s
Hot Start
：
1s
Reacquisition
：
1s
AGNSS 2
：
4s
Positioning accuracy 3
2.0m (Dual system Horizontal, Open sky)
3.5m (Dual system vertical, Open sky)
Velocity accuracy (RMS) 0.1m/s (Dual system Horizontal, Open sky)
1 Continuous positioning, typical value
2
Timely input of assistance data
3 CEP, 50%