UM220-IV M0 User Manual
2
Antenna gain
15
～
30dB
Physical Characters
Dimension
10.1*9.7*2.2mm
Environment
Operating Temperature
-40
℃
~ +85
℃
Storage Temperature
-45
℃
~ +90
℃
RoHS
Accord
Input/output Data Interface
UART
1 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
1
: 4s
Positioning accuracy
2.0m CEP (dual-system horizontal, open sky)
3.5m CEP (dual-system vertical, open sky)
Velocity accuracy (RMS)
0.1m/s (dual-system, Open sky)
Sensitivity
GPS
Tracking
-161dBm
-161dBm
Acquisition
-146dBm
-147dBm
Hot start
-154dBm
-155dBm
Reacquisition
-157dBm
-158dBm
1PPS accuracy (RMS)
20ns
Data updating rate
1Hz
Data output
NMEA 0183, Unicore Protocol
1.3
Interface
GNSS IC
SAW
TCXO
Battery
RTC
Crystal
RESET_N
UART
PPS
UM
2
2
0
-I
V
M
0
LNA
Figure 1-2 Structure Chart
1
Assist date input
BDS
