Support 1 channel serial male input and 4 serial female port output Full hardware design, support any baud rate and any protocol format Data transmission and reception without any delay Support cascade, the maximum output transmission distance of 25 meters Can achieve 1 host control 4 devices; Can achieve 4 host control 1 devices Specifications: Product name: Serial spitter Model: MT-RS104 Input interface: DR9 female -232 Output interface: DR9 male -232 Baud rate: 300-115200bps Communication distance: 30M(based on 26AWG cable) Plug Type:US Plug,it applies to Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan and so on. colour: black Material: metal Package Contents: 1 x bidirectional splitter Only the above package content, other products are not included. Note: Light 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 +/- 1-3cm.