Product Description
Chonghan SMS DTU ( means as M2M device ) is an industrial wireless DTU.
GSM network based.
Provided standard industrial serial port ( RS232 / RS485 / TTL ).
support data transparent transmit, always online.
Transparent data transmit for serial device industrial control, always online.
RF
GSM
850MHz / 900MHz / 1800MHz / 1900MHz
Interface
RS-232 / RS-485 / TTL
Function
Transparent data transmit
Always online
Power Supply
DC5~25V (DC12V suggest)
Class4 (2W) for 850MHz / 900MHz
Class1 (1W) for 1800MHz / 1900MHz
Dimension
75*50/72*16mm
200g
Environment
Temperature: -20 ~ 55℃
Humidity: 0% ~ 90% relative humidity