La description

to receive the GSM  messages, the PUD encoding format
it can receive Chinese (traditional and simplified), letters, numbers, through the  RS**2 interface for output , also can display  different countries'words according to customers' demand;
2, receiving the message length: a message of up to *0 characters (long messages can be divided into several short messages)
3>Working power supply: voltage: DC 5V - *2V, current: **0mA (max);
4, It can shield illegal information, the messages which are does not meet the command format will be automatically shielded, the key format can be added to it  and add the key to the messages which the users have set  , the correct key to perform the correct command
5, This  wireless module  adopt import industrial module, and the technology is mature and stable;
6.Widely used in meteorological display, in-car display, bus station display, highway induction display.