... RS232 and RS485 communication without the jumper, and also supports GSM / GPRS communications;Smart settings for outdoor scan, supportting ... 1/16, 1/8, 1/4, static routingControl card with search function , the screen parameter setting, scan settings, read data ... dynamic library DEMO and source code;Buttons, switches, timing, GSM / GPRS wireless communications and other typical applications;16,32 fonts ...