Point Multi-Point Communications Min.7 ~ Max.35 Muliti-Serial Ports Replacing Conventional multi-Serial Ports Model No Hardware Interfaces Common Spec Promi-MSP 101  LAN 10/100 x1, RS232C x1  Built-in Bluetooth  (Maximum 7 connections of Bluetooth  devices )  Coverage: 10m~100m  Data rate: Max. 723 Kbps  COM port Redirector supported  VirtualCOM and Serial/IP  Supported Networking  HTTP /FTP /Telnet /IP    sharing/DHCP client/PPP  server/PPP tunneling/SNMP  v1/v2/v3 Promi-MSP 102  LAN 10/100 x2, RS232C x1  Built-in Bluetooth  (Maximum 7 connections of Bluetooth  devices ) Promi-MSP 103  LAN 10/100 x2, RS232C x1,  Built-in Bluetooth 4 USB A-type ports  (Maximum 35 connections of Bluetooth  devices ) Bluetooth Spec. v1.1 Supported Bluetooth Profiles:     Serial Port, LAN Access, Dial up Networking Range : 10m~100m (Over 100m with High-gain Antenna) Data rate : 723Kbps Additional Interfaces:     4 USB A-type ports for Bluetooth & Wifi     1 Serial Port for a legacy device Sixe : 147 x 112 x 32mm (HxWxD) COM port Redirector Supported Networking supported     HTTP/FTP/Telnet/IP sharing/DHCP client/PPP server/     PPP tunneling/User Authentication (RADIUS)/SNMP v1/v2/v3