Wireless to 2 port RS232 Device Server Wireless 802.11 b/g Gateway IP Address Serial RS-232 Interface 2 port 15KV ESD Protection for RS-232 port 10/100 Mbps Ethernet Interface Transfer Rate up to 921Kbps Two Power Supplies way, both support 10 – 48V Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported Spread Spectrum Technology: DSSS, OFDM, DBPSK, DQPSK, CCK, 16-QAM, 64-QAM Tx Power 11b: Maximum 15dBm +/-1.5 dBm Tx Power 11g: Maximum 12dBm +/- 1.5dBm Transmission distance: Up to 200 meters ( @12 Mbps, in open areas ) Antenna Connector: SMD Coaxial Connector , 2 dBi Antenna Supports Industrial Specification