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    

2 in 1 USB headphone and microphone audio adapter adds a 3.5mm aux TRRS port (integrated mic-in and audio out interface) to your gaming computer, supports listening and speaking, line control (volume control, pause and play).

Wireless Mini Blue tooth 5.0 Adapter PC Tablet Car Audio Transmitter Receiver TV USB Dongle Blue tooth Headset Adapter Features: 1. Bluetooth 5.0: transmission distance 0-30m, faster and more stable than Bluetooth 4.0 version transmission 2. Free drive: plug and play, no driver installed, mobile phone / tablet can transfer text, photos, install the full version of the driver, the computer can be connected to the Bluetooth headset / speaker 3. Connect the Bluetooth mouse / keyboard: get rid of the distance limit, responsive and unlimited. 4. Mobile phone / tablet connected to the computer: no need to open the software, no network can also transfer photos and files 5. Support multi-device connection: to achieve computer connection with other Bluetooth-enabled devices (mobile / tablet / mouse keyboard / Bluetooth headset / Bluetooth speaker / game controller / printer, etc.) Parameters: Type: Mini Bluetooth Adapter Bluetooth Standard: Bluetooth V5.0 Size: about 13*14*6mm/0.51*0.55*0.24in Color: black Bare metal weight: about 0.65g Interface type: USB Transmission distance: 0-30m Frequency range: 2.4GHz Rated voltage: DC 5V Product  name Mini Wireless Bluetooth Adapter 5.0 Features Adapter transmits Bluetooth signal package DTECH box

DT-7144 HDMI Splitter is the perfect solution for 1 HDMI device to 4 HDMI devices with 4K.

DT-5031 is usb 2.0 to RS232 Serial DB9 Adaptador Convertidor Adapter cable.