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2. Hardware Specifications
Item
GSM System
Frequency Band
GPRS Connectivity
DATA GPRS
3G System
Frequency Band (MHz)
Data Transmission
4G System
Frequency Band
Data Transmission
SMS
SMS
Comm. Interface
COM Port
COM Port Baud Rate
USB
USB Driver Support
LED Indicators
Power
3G/GSM
Power
Protection
Frame Ground Protection
Required Supply Voltage
Rated Current
Reset Input
Input Type
On Voltage Level
Off Voltage Level
Input Impedance
Mechanical
www.ipc2u.ru
GTM-204M-4G Series User's Manual v1.3
GTM-204M-4GE
850/900/1800/1900 MHz
GPRS class 12; GPRS station class B
Downlink transfer: Max. 85.6 kbps; Uplink transfer: Max 42.8kbps
WCDMA
850/900/2100
DC-HSPA+ Download: Max. 42 Mbps; Upload: Max 5.76Mbps
TD-SCDMA Download: Max. 4.2 Mbps; Upload: Max 2.2Mbps
CDMA2000 EVDO Download: Max. 14.7 Mbps; Upload: Max 5.4Mbps
FDD LTE:
B1/B3/B5/B7/B8/B20
Download Max 100Mbps / Upload Max 50Mbps
MT, MO, CB, Text, and PDU mode
RxD, TxD, GND
9600 bps ~ 115200 bps (default：115200 bps)
USB 2.0 (high speed)
Windows XP/7/8/10, Windows Server 2012
Red
Green
Power reverse polarity protection
ESD, Surge, EFT, Hi-Pot
+10 V
~ +30 V
DC
DC
30 ~ 15 mA / 10 ~ 30 V
DC
Isolated, 3750 V
rms
+3.5 V
~ +30V
DC
DC
+1 V
max.
DC
3 kΩ, 0.25W
- 2/35 -
www.icp-das.ru
GTM-204M-4GC
900/1800MHz
WCDMA 900/2100
TD-SCDMA 1900/2100
CDMA2000 (BC0) 800
FDD LTE: B1/B3/B8
TDD LTE: B38/B39/B40/B41
www.ipc2u.com
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