1
Adds 2 RS232 DB9 ports to desktops.
Compatible with Windows and Linux systems.
Supports industrial devices, scanners, and printers.
Uses ASIX AX99100 for reliable performance.
Full-size and low-profile brackets included.
Easy installation with provided Mini-CD driver.
Ensure empty PCIe slot available before installation.
Average Rating out of 5:
Price Range: $25.99
2
Two DB9 ports for dual serial connections.
Supports RS232 speeds up to 460.8Kbps.
Configurable power options for flexible setups.
Includes standard and low profile brackets.
Compatible with Windows and Linux operating systems.
Ideal for industrial and scientific applications.
Upgraded version of the PEX2S952 adapter.
Average Rating out of 5:
Price Range: $39.99
3
1-port RS232 adapter for versatile connectivity.
Supports bi-directional RS232 speeds up to 460.8Kbps.
Includes 256 byte FIFO buffer for efficient data transfer.
Configurable power options: 12V, 5V, or none.
Low profile bracket pre-installed for easy installation.
Compatible with Windows and Linux operating systems.
Ideal for various applications in industrial settings.
Average Rating out of 5:
Price Range: $38.99
4
Includes 10 connectors: 5 male, 5 female.
Durable pure copper plated joints for longevity.
Solderless design simplifies installation without tools.
Easy wiring with clearly marked terminal block.
Secure screw lock to prevent casing gaps.
Compatible with various serial devices and applications.
Environmentally friendly PP material construction.
Average Rating out of 5:
Price Range: $54.99
Color: Black
5
Compatible with USB Bluetooth adapters.
Supports slave mode for easy pairing.
LED indicators for Bluetooth connection status.
Low power consumption, high sensitivity.
Ideal for wireless data transmission projects.
Seamless replacement for wired serial connections.
Compact design for versatile applications.
Average Rating out of 5:
Price Range: $9.49
Color: 1pc
6
High-quality pure copper nickel plated joints.
Solderless design for easy and quick setup.
Compatible with various serial devices and equipment.
Durable outer casing made from eco-friendly materials.
Clearly labeled ports for error-free wiring.
Includes cable pressing plates to secure connections.
Long-lasting performance with resistance to wear.
Average Rating out of 5:
Price Range: $14.99
Color: Black
7
Includes 4 packs of DB9 to 10-pin cables.
Connects DB9 serial ports to motherboard easily.
Sturdy 28AWG wire with durable nylon construction.
Compatible with various serial devices and peripherals.
Standard height L-shape metal PCI slot bracket.
Each cable measures 12 inches in length.
Ideal for desktop computers and POS machines.
Average Rating out of 5:
Price Range: $8.29
8
MAX3232 module for RS232 to TTL conversion.
DB9 female connector for easy device connection.
Compatible with Arduino and Raspberry Pi projects.
Works seamlessly with ESP32 and ESP8266.
Comprehensive tutorials for user-friendly setup.
Ideal for microcontroller-based electronics projects.
Includes two modules for multiple applications.
Price Range: $5.99
9
Supports MQTT and Modbus TCP/RTU protocols.
Low power consumption at 10uA.
Dynamic IP address allocation for easy setup.
Automatic data collection from multiple hosts.
Electromagnetic isolation for impedance matching.
FOTA remote firmware upgrades for convenience.
Multiple configuration modes for user flexibility.
Price Range: $6.49
10
Adds 4 RS-232 serial ports to computers.
Compatible with standard and small form factor PCs.
Native PCIe chipset for optimal performance.
Supports data transfer rates up to 128000bps.
256-byte FIFO buffer for each port.
Includes low profile and standard mounting brackets.
Compliant with PCI Express Base Specification 1.1.
Average Rating out of 5:
Price Range: $96.99
11
Durable pure copper plated joints for longevity. Solderless design for easy installation and use. Secure screw lock to prevent loose connections. Clearly marked terminal blocks for error reduction. Widely compatible with various serial devices. Environmentally friendly PP casing for durability. Compact design fits in tight spaces easily.
Average Rating out of 5:
Price Range: $28.99
Material: Copper
12
4-port RS232 PCIe controller card for expansion.
AX99100 chip for high-speed communication.
Supports communication rates up to 920.6KBPS.
Compatible with DB9 pin standard ports.
Works with Windows and Linux operating systems.
Easy installation in PCIe x16 slots.
Includes power supply adapter for convenience.
Price Range: $27.32
Color: 4 serial ports
13
6Pcs RS232 to TTL converter modules included.
Utilizes MAX3232 chip for reliable performance.
Supports voltages between 3.3V and 3.5V.
Standard 2.54mm interface for easy installation.
Seamless conversion between RS232 and TTL standards.
Ideal for microcontroller communication applications.
Enhanced tolerance for various electronic projects.
Average Rating out of 5:
Price Range: $7.99
14
Durable pure copper plated joints for reliability. No soldering required for easy installation. Environmentally friendly PP casing for durability. Screw lock design prevents loose connections. Includes multiple sizes of crimping rings. Compatible with various serial devices and applications. Ensures secure and stable communication connections.
Average Rating out of 5:
Price Range: $27.99
Color: Black
Material: Polypropylene
15
Adds 2 DB9 serial ports to your computer.
Supports data transfer rates up to 115.2 kbps.
Compatible with 3.3V and 5V PCI slots.
Works seamlessly with Windows and Linux systems.
Full profile design fits standard PCI cases.
Includes a 1-Year Limited Warranty for peace of mind.
Easy installation with included drivers and instructions.
Average Rating out of 5:
Price Range: $19.01
16
Two high-speed RS232 serial ports available.
Data transfer rate up to 460.8 Kbps.
One parallel port with 1.5 Mbps speed.
Complies with PCI Express base specifications 1.0a.
128-byte deep FIFO for efficient data handling.
Configurable in 5V, 12V, and non-powered modes.
Easy installation in PCIe slots for expansion.
Average Rating out of 5:
Price Range: $42.60
17
Converts RS422 signals to 3.3V TTL.
Full-duplex communication for reliable data transfer.
Over-voltage and over-current protection included.
Enhanced EMC for harsh environments.
LED indicators for power and data transmission.
SMD components for improved signal integrity.
Wiring diagram printed on the back.
Average Rating out of 5:
Price Range: $8.99
18
High-quality CP2102 chip for reliable performance.
Includes 2 pieces for versatile applications.
Micro USB connection for easy integration.
Compact size: 16mm x 20mm, space-saving design.
Supports TTL serial communication for various devices.
Ideal for Arduino and other microcontroller projects.
Clock circuit integrated for improved functionality.
Average Rating out of 5:
Price Range: $9.19
Size: ‎Small
19
Adds 2 serial ports to your system.
Compatible with PCI and PCI-X slots.
Works with modems, PDAs, and serial devices.
Supports 32-/64-bit operation for versatility.
Full compatibility with DOS and Windows software.
Easy installation process for quick setup.
Compact design fits in standard computer cases.
Price Range: $24.99
