... ;50Pin extended interface, to the height of 128 points;RS232 and RS485 communication without the jumper, and also supports GSM ... -D3(ALL) parameters Item No.LS-D3(LAN,USB,RS232)RangeSingle color 2048*64,single color 1024*128 pixel;dual ... GPRS/GSMTotal pixel 128KExtend interfaceTemperature sensor, test button, switchPlayerLED Player 3.2Software for LS-D3(LAN,USB,RS232) led display controller Edit ...