Support 1 channel serial male input and 4 serial female port output Full hardware design, support any rate and any protocol Data transmission and without any delay Support cascade, the maximum output transmission distance of 25 Can achieve 1 control 4 devices; Can achieve 4 control 1 devices Specifications: Product name: Serial spitter Model: MT-RS104 Input interface: DR9 female -232 Output interface: DR9 male -232 rate: 300-115200bps Communication distance: 30M(based on 26AWG cable) Plug Type:US Plug,it applies to Canada, , Mexico, Thailand, the , the Philippines, Taiwan and so on. colour: black Material: metal Voltage: AC110V Package Contents: 1 x bidirectional splitter Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.