User Guide

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GM500-U1G_A
Hardware Development Guide
LTE FDD Band 17 -97 dBm -94 dBm /
LTE FDD Band 25 -97 dBm -94 dBm -91 dBm
LTE FDD Band 26 -98 dBm -95 dBm /
Table 4-9 Conducted RF Receiving Sensitivity Typical Value [2]
Band Sensitivity
WCDMA Band 2 -104.7 dBm
WCDMA Band 5 -104.7 dBm
4.5. GNSS Technical Parameters
The following table shows the GNSS technical parameters of GM500-U1G_A module.
Table 4-10GNSS Technical Parameters
GNSS (GNSS/GLONASS) Technical specification
GNSS Frequency 1575.42±1.023 MHz
Tracking sensitivity -156dbm
Cold-start sensitivity -144dbm
TTFF (Open Sky) Hot start: 4s
Cold start: 32s
Receiver Type Qualcomm GNSS Gen8C
GNSS L1 Frequency 1575.42MHz
Update rate 2-4 HZ
GNSS (GNSS/GLONASS) data format NMEA data protocol/GOSUNCN defined at commands
GNSS (GNSS/GLONASS) Current consumption 65mA
GNSS (GNSS/GLONASS) antenna Passive/Active antenna