Best Converter Serial Adapters of 2025

The HiLetgo FT232RL FTDI Mini USB to TTL Serial Converter is a breakout module that supports RXD/TXD transceiver communication, with a 500MA self-restore Fuse. The module is powered by a chipset of FT232RL, and has a working voltage of 3.3V/5.5V. Its pin definition comprises of DTR,RXD,TX,VCC,CTS,GND. The module supports Win95/98/98se/ME/2000/XP/win7 32bit 64bit /Vsita/, but not Win8.

The HiLetgo CP2102 USB 2.0 to TTL Module is a stable and reliable serial adapter that allows you to connect your MCU to your computer with ease. It features a standard USB type A male and TTL 5pin connector, with pins for 3.3V, RST, TXD, RXD, GND, and 5V. It supports a wide range of baud rates, from 300 bps to 1.5 Mbps, and is compatible with Windows, Mac OS, and Linux.

The WWZMDiB USB to TTL Serial Converter is a reliable and versatile module that allows you to easily connect your devices to a computer. It features the FT232RL FTDI chip, which ensures stability and eliminates the worry of program crashes. With a working voltage of 3.3V/5.5V and a 500MA self-restore fuse, this adapter provides a safe and efficient power supply. The RXD/TXD transceiver communication indicator allows you to monitor the data transmission status, making debugging and troubleshooting easier. Compatible with various Windows operating systems, this adapter is a great choice for Arduino enthusiasts and those in need of a reliable USB to TTL serial converter.

The Horsebiz Ethernet Adapter is a dual serial device server that allows you to connect two serial RS485 & RS232 devices to an Ethernet network. With data link protocols such as IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Web Socket, and Httpd Client, you can easily configure and operate your devices via web browser or virtual com software interface. This adapter supports RS232 & RS485 working at the same time with a speed of 10/100 Mbps and a baud rate of Rs-232: 600Bps ~ 230.4Kbps, Rs-485: 600Bps ~ 1Mbps. It also provides electromagnetic isolation, shell isolation protection, anti-static 2Kv, and lightning protection. With a wide working temperature range of -40 ~ 85°C and low power consumption, the Horsebiz Ethernet Adapter is a reliable and efficient solution for your serial to Ethernet conversion needs.

DTech RS232 to RS485 Serial Converter Adapter is a commercial-grade bi-directional converter that can be used in industrial long-haul communication up to 4000ft. It enables the connections of multiple bus nodes and controls the "Receive" and "Transmit" modes automatically. This adapter supports up to 115.2kbps baud rate and has a built-in Transient Voltage Suppressor (TVS) that supports 600W anti-surge protection on each line of RS485 link.

The TRENDnet USB Serial Adapter offers a reliable connection for your RS-232 serial devices, such as modems and printers. With its 3-meter cable, you can easily set up your devices without worrying about distance. It is also NDAA compliant, making it suitable for government networking solutions in the U.S. and Canada. Plus, you benefit from two years of manufacturer support, ensuring you have assistance whenever needed. This adapter is compatible with both Windows and Mac operating systems, providing a seamless experience for various users.

The DTech RS232 to RS485 Converter is designed to keep your devices safe with 600W surge protection and 15KV static protection, shielding against voltage spikes. It features TX and RX indicators, allowing you to easily monitor data transmission status. This converter supports long-distance communication, transmitting signals up to 4000 feet at high speeds. Additionally, it enables two-wire half duplex communication, accommodating up to 32 RS-485 devices. With automatic baud rate detection up to 115200 bps, this device operates efficiently without needing external power, making it a reliable choice for your serial communication needs.

The CableCreation RS232 Adapter is designed to connect your serial DB9 devices, like modems and digital cameras, to a USB port on your computer. With its advanced Prolific PL2303 chipset, it supports a wide range of operating systems, ensuring hassle-free installation. You’ll appreciate the reliable data transfer rate of 1Mbps, which is perfect for transferring information efficiently. Plus, the cable is powered via the USB bus, eliminating the need for an external power source, making it convenient for various applications like cash registers and label printers.

The OIKWAN USB-C Serial Adapter allows you to easily connect your USB Type-C devices to RS-232 serial devices. It features a reliable FTDI chipset, ensuring compatibility with multiple operating systems like Windows, Mac, and Linux. This adapter supports data transfer rates of up to 1Mbps, making it efficient for various applications. With a plug-and-play design, you can set it up quickly without the need for an external power source. Just install the driver, and you're ready to go, simplifying your data communication tasks.

The PUSR TCP232 is a compact and affordable serial RS232 to Ethernet server that allows for seamless data transmission between RS232 and Ethernet. With integrated TCP/IP protocol, this device enables bidirectional transparent transmission. It supports DHCP for automatic IP address acquisition and DNS function for easy IP address querying. The parameters can be easily set through a webpage and firmware upgrades can be done via the network. The PUSR TCP232 offers multiple work modes, including TCP Server, TCP Client, UDP Client, UDP Server, and HTTPD Client. It also supports virtual serial port and provides the corresponding software USR-VCOM. With its reliable connection, user-defined registration package mechanism, and the ability to function across gateways, switches, and routers, the PUSR TCP232 is an ideal choice for device networking communication.