We offer tcp ip converter module. Features: 1single, compact rs-232 ttl to ethernet solution2.featured transparent data transmission media conversion for rs232 over lan or wan. 3.bandrate rs232 300 256000 bps4.auto detected 10/100m high speed ethernet5.auto mdi/mdix, use crossover cable or parallel cable connection;6.versatile serial operation options: virtual com, tcp client, udp, udp server, tcp server7.configuration by rs232 or ethernet, free software available8.virtual com driver for windows nt/2000/xp/2003/vista9.small size: (lxwxh): 43x32x15(mm).