Gosuncn Technology Group Co. Ltd. GM500U1A Manuale Utente
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52
GM500_U1A
Hardware Development Guide
Bandwidth
5MHz
10MHz
15MHz
20MHz
LTE
LTE FDD Band 2, Pout=23dBm
575
575
620
630
mA
LTE FDD Band 4, Pout=23dBm
515
530
550
600
mA
LTE FDD Band 5 ,Pout=23dBm
610
610
mA
LTE FDD Band 12,Pout=23dBm
620
630
mA
Table 4-6 Averaged working current [2]
Parameter
Condition
Typical Value
Unit
WCDMA
Band2, Pout=24dBm
532
mA
Band5, Pout=24dBm
526
mA
4.4.2. RF
O
UTPUT
P
OWER
The following table shows the RF output power of GM500_U1A module.
Table 4-7 Conducted RF Output Power
Frequency
Max
Min
LTE FDD Band 2
23±2.7dBm
-39dBm
LTE FDD Band 4
23 ±2.7dBm
-39dBm
LTE FDD Band 5
23 ±2.7dBm
-39dBm
LTE FDD Band 12
23 ±2.7dBm
-39dBm
WCDMA Band 2
24+1/-3 dBm
-50dBm
WCDMA Band 5
24+1/-3 dBm
-50dBm
4.4.3. RF
R
ECEIVING
S
ENSITIVITY
The following table shows the conducted RF receiving sensitivity typical value of GM500_U1A module.
Table 4-8 Conducted RF Receiving Sensitivity Typical Value [1]
Band
5 MHz(dBm)
10 MHz(dBm)
20 MHz(dBm)
LTE FDD Band 2
-98 dBm
-95 dBm
-92 dBm
LTE FDD Band 4
-100 dBm
-97 dBm
-94 dBm
LTE FDD Band 5
-98 dBm
-95 dBm
/
LTE FDD Band 12
-97 dBm
-94 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
T
ECHNICAL
P
ARAMETERS
The following table shows the GNSS techinical parameters of GM500_U1A module.
Table 4-10 GNSS 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