Amazon.com: 5ft/1.5m 9 Pins 2-3 (TXD-RXD) Null Modem DB9 Male to Female Serial Cable Adopter(Null Modem, Male to Female) : Electronics
GENERIC PCMCIA Modem Cable M 15 1 15 PIN
Null Modem Cable Serial RS232 9 Pin DB9 Male to Female Gender Changer Lead UK 8944849703093 | eBay
Pan Pacific S-9NM-10 9 Pin D-Sub RS-232 Null Modem Cable, Male to Female - 10 Feet
Teradek Node Celluar 3G/4G/LTE 4-Pin to USB Modem (US) 10-0020
5m 4 Pin Adsl Dsl Router Modem Phone Rj11 To Rj11 Cable Lead 6p4c - White - Pc Hardware Cables & Adapters - AliExpress
Serial Port 9 Pin Null Modem Adapter DB9 Male / Male RS232
Null modem cable
Null Modem RJ45-DB9 (Female) Adapter for C2-RJ45 Console Cable - Get Console Shop
BB-9PMDS-ULI-262D - RS-232 9-Pin Modem Data Splitter
C2G DB9 Male to DB9 Female Null Modem Adapter - 1 Pack - 1 x 9-pin DB-9 RS-232 Serial Male - 1 x 9-pin DB-9 RS-232 Serial Female - Beige - Office Supply Hut
Amazon.com: StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 2 meter, Black (SCNM9FF2MBK) : Electronics
1PCS High Speed 10FT 3M RJ11 6P4C Telephone Phone ADSL Modem Line Cord Cable 4 Pin #22514 _ - AliExpress Mobile
StarTech.com USB to Serial Adapter - Null Modem - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter - PCC-IT International