Micro USB 3.0 HUB 4-Port Black 5Gbps 2.4A Multi-Port Charger USB High Speed Expansion HUB for Mouse Keyboard Camera Printer

DTECH IOT9024I RS485 Photoelectric Isolation Hub 4 ports Ⅰ. Product parameters Product name RS-485 photoelectric isolation hub 4 ports Model IOT9024I Communication mode Compatible with RS-232, RS-485 TIA/EIA standards Communication rate 300bps-921600bps Communication distance 1200m Working power supply DC9-38V Working mode Asynchronous half-duplex (RS-485) Photoelectric isolation 2500Vrms per port Lightning and surge protection RS-485 provides 600W lightning protection, surge, ±15KV per line ESD protection and prevention of common ground interference Use environment -20℃ to 80℃, relative humidity 5% to 95% System support Applicable to the communication software used, plug and play Functional features Each group can send and receive data separately (no need for multiple buses to switch between send and receive modes at the same time), each group can connect 32 RS485 devices. Warranty 1 Year Ⅱ. Product description

DT-9028I is a universal industrial eight port RS485 hub with adaptive, a RS232/RS485 port, a RS485 hub designed specifically for RS485 transmission distance and large capacity serial communication network expansion. DTECH has a number of independent innovation of technology, including the built-in data collision protection control.

DT-9022 is a universal industrial two port RS485 adaptive relay hub, with a main RS232/RS485 port, the RS485 hub is designed specifically for the needs of RS485 transmission distance and large capacity serial communication network expansion. With a number of independent innovation technology of DTTEC, including built-in data collision protection control etc.

RS232 USB Serial Converter USB2.0 to RS232 RS422 RS485 Serial Cable

USB 3.0 4Port High Speed Expansion Hub 5Gbps DC 5V/2.4A fast charge usb hub for cell phone/pad/MP3/4

USB 2.0 to RJ45 0.2m 10/100Mbps 24k gold-plated white remote control usb to rj45 for TV box/laptop/tablet

micro USB 3.0 4 ports HUB white 1.2M 5Gbps  small usb hub for mouse printer phone

DTECH 1 Input 8 Output DC5V 8 Ports Serial Expansion Box RS232 DB9 Serial Splitter   Ⅰ.Product Parameters Product Name RS232 Splitter 1 to 8 Model DT-5048 Power Supply DC 5V Input RS232 female*1 Output RS232 male*8 Material Metal Shell Warranty 1 Year Ⅱ.Product Description Expand serial port and simplify system Compatible with RS232 device interface Suitable for RS232 interface PC, access control systems, laptops, SMS controllers, noise detectors, terminal equipment, industrial control, digital instrument collection, multi-serial port equipment, etc. Support multiple cascades The communication distance is generally 15 meters, and multiple units can be used in cascade. One host can control 8 output devices, and the 8 output ports can also be connected to 8 computer hosts to control 1 RS232 device. Metal iron shell, good heat dissipation Ergonomic design, metal matte texture, mature technology, and metal shell, which is wear-resistant and high-temperature resistant, shock-resistant and drop-resistant, and has fast heat dissipation. Ⅲ. Product List    

9 Screen TV Splicing Box 1 in 9 out 4K 30Hz HDMI 3x3 Video Wall Controller   Ⅰ.Product Parameters Product Name 4K HDMI 3x3 Video Wall Controller Input Interface HDMI*1 Output Interface HDMI*9 Resolution 4K/30Hz Power Supply 12V/1A Warranty 1 Year Ⅱ.Product Descriptions HDMI 3x3 Video Wall Controller HDMI 4K@30Hz Multiple combination splicing modes Audio stripped independent output Pure hardware, plug and play ①Anti-static technology Prevent electronic component damage caused by static electricity. ②Anti-wave surge technology Enhance the product stability to prevent the surge impact. ③4K*2K/30Hz Resolution Enjoy HD vision, Experience a delicate world. ④Pure hard device Multiple splicing modes, simple operation. Big screen era Splicing attack Multiple splicing modes No computer control, one-click splicing function Meet application requirements Apply to more scenarios Any combination of splicing modes Can arbitrarily combine multiple splicing modes: horizontal screen/vertical screen/field shape, etc. Common modes: 2x2/3x3/1x3/3x1 (2x3/2x4/3x2/4x2, etc.) Multi-device compatibility Plug and play Supports devices with HDMI interface such as set-top boxes, desktops, laptops, etc. Connects to display devices with HDMI interface such as TVs, monitors, projectors, etc. Attachment: The product can be cascaded with two sets to complete 3X4 and 4X4 modes (Using remote control to set.) Note: Using remote control to set the splicing mode: ①3X4 mode: video wall controller A chooses 3x4(A); video wall controller B chooses 3x4(B). ②4X4 mode: video wall controller A chooses 4x4(A); video wall controller B chooses 4x4(B). Application Scenario Suitable for mall advertising, outdoor display, advertising display, large-scale performance and other scenes. Product connection diagram        

Support HDMI optical fiber cable transmission 300 meters, three cascade transmission, support ordinary HDMI 20 meters transmission, 4k60hz ultra-clear image quality, 18Gbps ultra-high broadband, HDR dynamic picture smooth, rich color gradation, EDID intelligent identification screen resolution, HDMI signal one point Two, two displays on the same screen, simultaneous audio and video transmission, widely used in notebooks, ps game consoles, tablet computers, digital cameras, camcorders, high-definition players, projectors, pcs, mobile phones, automotive electronic equipment

USB 3.0 4Port High Speed Expansion Hub 5Gbps DC 5V/2.4A fast charge usb hub for cell phone/pad/MP3/4

The cable has tensile strength, multiple shielding, effective anti-interference, and smooth signal transmission.