ITEM NAME:MAX232CSE Transfer Chip RS232 To TTL Converter Module COM Serial Board B7G3 MAX232CSE Transfer Chip RS232 To TTL Converter Module COM Serial Board B7G3 Great for minicontroller development. STC minicontroller / Renesas minicontroller / PLC program download cable. WRT / NDS 4 / Cell phone / Satellite TV reset. Data transmitting (TX) and receiving(RX). Product Name : RS232 Serial Port To TTL Converter Module VCC : 3V/5V Total Size : 34 x 32x 14mm / 1.3" x 1.3" x 0.55"(L*W*T) Cable Length : 14cm/ 5.5" External Material : PCB Main Color : Blue, Black Weight : 16g Package Content : 1 xRS232 Serial Port To TTL Converter Module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm..External Material : PCB. Cable Length : 14cm/ 5.5".