MD-620 User Manual
10
3G: UMTS/WCDMA/HDSPA/HSPA+/TD-SCDMA/
CDMA2000 EVDO
4G: TDD-LTE/FDD-LTE
Frequency:
TDD-LTE B38/B39/B40/B41
FDD-LTE B1/B2/B3/B4/B5/B8/B17/B20
UMTS/HSDPA/HSPA+ B1//B2/B5/B8
TD-SCDMA B34/B39
CDMA2000 1x/EVDO BC0
GSM/GPRS/EDGE 900/1800 MHz
Working current: 170mA@+12V DC
Standby current: 100mA@+12V DC
BDS/GPS module: anti-interference GNSS navigation and
position module
BDS/GPS module frequency: BDS B1, GPS L1
BDS/GPS position precision: 2.5m CEP (BDS/GPS dual system),
2.0m CEP (SBAS)
RTU DI: optocoupler input
RTU DO: drive capability 3A/250V AC, 3A/30V DC
Temperature: -40ºC ~ +85ºC
Humidity: 95%@+40ºC
Dimensions: 103x64x24mm (excluding antenna and handle)
Communication
Adjustable baud rate on data interface
Support standard TCP/IP protocol with both TCP and UDP
Adjustable heart-beat interval and time-out value
Support always online
Support SMS and ringing tone wakeup(wakeup online)
Support Address-IMEI Mapping to save wireless bandwidth
Adjustable GPS data report time interval
Support AT command to query GPS data
Stability
Host CPU: 32-bit ARM processor
Built-in soft/hard watch dog
Built-in TCP/IP protocol stack
Содержание MD-620 DTU
Страница 6: ...MD 620 User Manual 6 Figure 1 4 GPS antenna Figure 1 5 Power supply ...
Страница 7: ...MD 620 User Manual 7 1 4 Dimension Figure 1 6 MD 620 dimension 1 5 Working Mechanism ...
Страница 39: ...MD 620 User Manual 39 Figure Appendix 1 4 Map virtual serial port ...
Страница 44: ...MD 620 User Manual 44 Figure Appendix 2 5 Map virtual serial port in vircom ...