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CLM920 TD3 LTE Module Hardware Usage Guide
Chapter 4 Overall technical indicators
4.1 Chapter overview
The CLM920 TD3 module RF overall specifications include the following sections:
working frequency
Conducted radio frequency measurement
Conducted receiving sensitivity and transmit power
GNSS reception performance
Antenna requirements
Module power consumption characteristics
4.2 GNSS reception performance
Parameter
GPS L1 frequency
GLONASS frequency
BeiDou frequency
Galileo E1
GNSS support channel
GNSS positioning
accuracy
GNSS sensitivity
GNSS sensitivity
GNSS sensitivity
GNSS positioning time Cold start
GNSS positioning time Warm start
GNSS positioning time Hot Start
GNSS update
frequency
GNSS data format
Shanghai Yuge Information Technology co., LTD
Table 4-1 Main parameters of GNSS
Description
Center frequency 1575MHz
Center frequency
1601.7MHz
Center frequency 1561MHz
Center frequency
1575.42MHz
55 channels
Unobstructed open space
Cold start
Recapture
track
Default 1Hz
NMEA-0183
Min
Typical Max
1574.4
1576.4 MHz
1597.5
1605.9 MHz
1559.1
1563.1 MHz
1573.4
1577.5 MHz
2.5
3
-145
-157
-158
35
30
2
1
unit
M
dBm
dBm
dBm
S
S
S
Hz
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