... 128 code, IT25, Codebar, UPCA and UPCE, etc.11) 433M wireless data transmission chipCommuniction frequency: 433M, two-way communication, two-way ... : CRC checkout to ensure the accuracy of the wireless transmission of data12) Wireless base station and handheld terminal use in pair, ... port and keypad simulation to connect WINDOWS without any driver.There is RS232 for optional. Wireless Barcode Collector