UM220 User Manual
2
1.2
Key Features
Power
Voltage
+2.8V~3.6V VDC
Power Consumption
1
105mW
RF Input
Frequency
1559
~
1577MHz
Input VSWR
≤1.5
Input impedance
50Ω
Antenna gain
15
~
30dB
Physical Characters
Dimension
16.0*12.2*2.6mm
Environment
Operating Temperature
-40
℃
~ +85
℃
Storage Temperature
-45
℃
~ +90
℃
Input/ Output Data Interface
UART
UART*2, LVTTL.
Acceptable Baud Rate: 4800~115200bps, 9600bps by
default
GNSS Performance
Frequency
BDS B1: 1561.098MHz
GPS L1 : 1575.42MHz
TTFF
(Time to First Fix)
Cold Start: 30s
Hot Start: 1s
Reacquisition: 1s
Positioning Accuracy(RMS)
2.0m CEP
Velocity Accuracy (RMS)
0.1m/s
Update Rate
1Hz/5Hz/10Hz
Sensitivity
GN
BDS
GPS
Tracking
-161dBm
-159dBm
-161dBm
Acquisition
-147dBm
-144dBm
-147dBm
Hot
-154dBm
-149dBm
-154dBm
Reacquisition
-156dBm
-156dBm
-156dBm
Data Output
2
NMEA 0183, Unicore Protocol
1PPS(RMS)
3
20ns
1
Continuous positioning, typical values
2
User configurable. See Unicore UM220-INS NF Protocol Specification Ver.1.0.3 or updated version for more details.
3
Statistical values within one hour, not recommended for timing application