StarTech PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card - Walmart.com
Dual Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ FTDI Chip - Coolgear
WIC-2A/S 2 Port Smart Serial Port Interface Card - certificationtrainingsolutions.com
UDS2100 - 2 Serial Port Ethernet Device Server – Grid Connect
USB to Dual RS232 Adapter / Converter – CommFront
2 Ports Rs232 34mm Expresscard To Dual Serial Port Db9 Com Rs-232 Expansion Card For Laptop Mcs7720 Chipset - Add On Cards & Controller Panels - AliExpress
Siig Dual-Serial Port PCI RS-232 CTLR (LB-S00014-S1)
Amazon.com: StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953) : Electronics
SIIG Dual-Serial Port / RS-232 PCIe Card | eBay
Amazon.com: SIIG Dual (2) Serial Port / RS-232 and Single (1) Parallel Port PCIe Card Compatible with 16C550 UART (JJ-E20411-S1) : Electronics
Airlink RV55 Dual Serial Y-Cable (6001238) | USAT Store
PCI to 2 Dual COM RS232 Serial I/O Port Riser Card PCI to 2 RS232 Expansion Card Dual Serial Port Card Support Plotter
Netmos PCI dual serial port card - CDM Computers
FlexEdge® Dual Mixed Serial Port Sled | Red Lion
Dual Port USB to Serial RS-232 Adapter with Prolific Chipset - Coolgear
DB9 Serial Y Adapter - DB9 Female to Dual Split DB9 Male
BLACK BOX, PCI CARD, IC187C, 16850 UART, DUAL SERIAL PORT, RS 232/422/485, 7201 : IRONTIME SALES INC.
USB to 2 TTL serial port USB to dual serial port Two TTL to USB5V3.3VFT2232D dual serial port - AliExpress
KeyFob I2C Converter with Dual Serial to 16-Port I2C - store.ncd.io
Fujitsu Dual Serial Port RS-232 Card With Splitter Cable CP-140 S26361-F3465-L7 | eBay
Amazon.com: SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART : Electronics
StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe to Dual Serial DB9 RS232 Controller - PEX2S953 - Serial Adapters - CDW.com
TTL to RJ45 Network Prt 232 to TCP USR-TCP232-E2 Dual Serial Port to Ethernet
Startech .com 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports, Expansion/Controller Card, Windows/Linux, Standard/Low ProfileDua... PCI2S5502 - Corporate Armor
StarTech.com Dual Serial Parallel PCI Card - 3 Port 2S1P PCI (PCI2S1P)
USB to serial RS232 adapter with two ports
