Model 2G Frequency
(MHz)
3G Frequency
(MHz)
Power Backup GPS RTU Data
Report
Modbus RTU
Slave
Interface I/O
GT-540-3GWA GSM/GPRS:
850/900/1800/1900 MHz
WCDMA:
850/900/1900/2100 MHz
1250mAh 3.7V Battery - TCP/Email 3 1 x RS-232
1 x RS-485
6 x DI
2 x DO
1 x AI
GT-540P-3GWA GSM/GPRS:
850/900/1800/1900 MHz
Yes TCP/Emai
 
 
Model 2G Frequency
(MHz)
3G Frequency
(MHz)
4G Frequency
(Bands)
Power Backup GPS GPS UDR RTU Data Report Modbus RTU Slave Interface I/O
RTU-531PM GSM/GPRS:
850/900/1800/
1900 MHz
WCDMA:
850/900/1900/
2100 MHz
- - Yes - TCP - 1x RS-232      4 x DI
2 x DO
4 x AI
2xThermistor
RTU-140 - UMTS/HSPA+:
850/2100 MHz
LTE-FDD:
B1/B3/B5/
B7/B8/B28
1250mAh 3.7V Battery Yes - TCP 3 1xRS-232/ 
RS-485
-
GTP-500M GSM/GPRS:
850/900/1800/
1900 MHz
WCDMA:
850/900/1900/
2100 MHz
- 1250mAh 3.7V Battery Yes - TCP/Email 3 Optional
GTP-541M GSM/GPRS:
900/1800 MHz
WCDMA:
900/2100 MHz
FDD LTE:
B1/B3/B8

TDD LTE:
B38/B39/B40/B41
- Yes - TCP/Email/FTP 3 1 x RS-232/  S-485 5 x DI
2 x DO
4 x AI
GTP-541M-UDR Yes
 
 
Model 2G Frequency
(MHz)
3G Frequency
(MHz)
4G Frequency
(Bands)
Wi-Fi Dual SIM GPS RTU Data Report Modbus RTU Slave Interface
GRP-530M GSM/GPRS:
850/900/1800/
1900 MHz
WCDMA:
850/900/1900/
2100 MHz
- - - Yes TCP/Email/FTP 10 2 xRS-232
1 xRS-485
1xEthernet
1 x CAN
GRP-540M-4GE GSM/GPRS:
850/900/1800/
1900 MHz
WCDMA:
850/900/1900/
2100 MHz
FDD LTE:
B1/B3/B5/
B7/B8/B20
- - Optional TCP/Email/FTP 10 2 xRS-232
1 xRS-485
1xEthernet
1 x CAN
GRP-540M-4GE-WF IEEE802.11 b/g/n,
2.4 GHz
-
GRP-541M-4GE - Yes
GRP-540M-4GC GSM/GPRS:
850/900/1800/
1900 MHz
WCDMA:
900/2100 MHz

TD-SCDMA:
1900/2100 MHz

CDMA2000:
800 MHz (BC0)
FDD LTE:
B1/B3/B8

TDD LTE:
B38/B39/B40/B41
- - Optional TCP/Email/FTP 10 2 xRS-232
1 xRS-485
1xEthernet
GRP-540M-4GC-WF IEEE802.11 b/g/n,
2.4 GHz
-
GRP-541M-4GC - Yes
 
 
Model 2G Frequency
(MHz)
3G Frequency
(MHz)
4G Frequency
(Bands)
LCM(Dot) Power Backup GPS RTU Data Report Modbus RTU Slave Interface I/O
G-4513-3GWA GSM/GPRS:
850/900/1800/
1900 MHz
WCDMA:
850/900/1900/
2100 MHz
- - 12V ExtPower/
Battery
- TCP 10 1 xRS-232
1 xRS-485
1xEthernet
3 x DI
3 x DO
8 x AI
1xRelay
G-4513D-3GWA 128 x 64 -
G-4513P-3GWA - Yes
G-4513PD-3GWA 128 x 64 Yes
G-4514-4GAU GSM/GPRS:
850/900/1800/
1900 MHz
WCDMA:
850/900/1900/
2100 MHz
FDD LTE:
B1/B2/B3/B4/
B5/B7/B8/B28

TDD LTE: B40
- 12V ExtPower/
Battery
- TCP 10 1 xRS-232
1 xRS-485
1xEthernet
3 x DI
3 x DO
8 x AI
1xRelay
G-4514D-4GAU 128 x 64 -
G-4514P-4GAU - Yes
G-4514PD-4GAU 128 x 64 Yes
G-4514-4GC GSM/GPRS:
900/1800 MHz
WCDMA:
900/2100 MHz

TD-SCDMA:
1900/2100 MHz

CDMA2000:
800 MHz (BC0)
FDD LTE:
B1/B3/B8

TDD LTE:
B38/B39/B40/B41
- 12V ExtPower/
Battery
- TCP 10 1 xRS-232
1 xRS-485
1 xEtherne
3 x DI
3 x DO
8 x AI
1xRelay
G-4514D-4GC 128 x 64 -
G-4514P-4GC - Yes
G-4514PD-4GC 128 x 64 Yes
G-4510 Optional Optional Optional - 12V ExtPower/ Battery Optional TCP 10 1 xRS-232
1 xRS-485
1xEthernet
3 x DI
3 x DO
8 x AI
1xRelay
G-4510D 128 x 64 Optional