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GTP Series |
|
2G
Frequency
(MHz) |
3G
Frequency
(MHz) |
4G
Band |
SMS Function |
RMV
Function |
RTU Function |
SD Card |
GPS |
Battery
Interface
|
RS-232 / RS-485 |
Modbus RTU Slave |
DI (Count) |
DO |
AI |
GTP-230 |
850/900/
1800/1900 |
900/2100 |
- |
Yes |
Yes |
- |
- |
- |
- |
1/1 |
- |
- |
- |
- |
GTP-500M |
850/900/
1800/1900 |
850/900/
1900/2100 |
- |
Yes |
Yes |
Yes |
FAT16/32 |
Yes |
Option |
1/1 |
3 |
Option |
Option |
Option |
GTP-541M |
900/1800 |
900/2100 |
B1/B3/B8
B38/B39/B40/B41
|
Yes |
Yes |
Yes |
FAT/32 |
Yes |
- |
1/1 |
3 |
5 |
2 |
4 |
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