19,000+ results for usb serial convertor
- 3Ft Translucent USB 2.0 to DB9 RS232 Serial Converter 9 Pin Adapter Cable PDAOpens in a new window or tabBrand New$8.99Save up to 14% when you buy moreTop Rated PlusFree shippingnortheast.direct (16,482) 99.7%Free returns2,201 sold
- 6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V/3.3VOpens in a new window or tabBrand New$3.31Extra 5% off with couponWas: $3.89 15% offTop Rated Pluseelectronicparts (24,507) 99.6%+$5.35 shippingFree returnsAlmost gone57 sold
- 3Ft USB 2.0 to DB9 Adapter Cable Converter Serial RS232 Port Windows Mac LinuxOpens in a new window or tabBrand New$20.07Save up to 10% when you buy moreeasystation (21,753) 99.6%Free 1-3 day shippingFree returns
- USB To Serial Converter, USB 2.0 To RS232 Converter KW-825Opens in a new window or tabBrand New$35.00Save up to 10% when you buy moretkgr8 (141) 100%Free shipping
- USB 2.0 to RS232 COM Port Computer Converter Adapter Cable 9 Pin Serial DB25 DB9Opens in a new window or tabBrand New$9.48Save up to 10% when you buy moreList price: $12.98 27% offTop Rated Pluseeekitonline (451,470) 99.1%Free shippingFree returns251 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$7.20Save up to 8% when you buy moreWas: $7.66 6% offTop Rated Plusjinsche (36,907) 94.6%Free shippingFree returns309 sold
- USB to RS232 Serial Adapter, USB a Male to DB9 Pin Female Serial Converter CableOpens in a new window or tabBrand New$9.28cozzify (1,484) 98.8%Free shippingFree returns
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$6.51Save up to 8% when you buy moreWas: $7.66 15% offTop Rated Plusqkmallllc_1 (35,286) 95%Free shippingFree returns
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- New USB 2.0 To RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable ConverterOpens in a new window or tabBrand New$8.70old2wolves6 (14,183) 98.7%Free shipping774 sold
- SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft CableOpens in a new window or tabBrand New$13.99sabrent_us (2,743) 99.8%Free shipping189 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$2.19shanghai*book (3,210) 99.3%Free shippingfrom China335 sold
- For USB 2.0 To RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable Converter USOpens in a new window or tabBrand New$10.65Save up to 10% when you buy moreTop Rated PlusFree shippingupartcare (2,767) 99.6%Free returns121 sold
- Digitus USB To Serial RS485 ConverterOpens in a new window or tabOpen Box$0.99sports_cards_consignment (1,853) 100%0 bids · Time left2d 2h left (Tue, 07:00 PM)+$5.90 shipping
- USB to RS-232 2-Port DB9 Serial Adapter/Converter SystemBase Multi-2/USB RS232Opens in a new window or tabBrand New$54.00Save up to 10% when you buy moreTop Rated PlusFree shippingenvistia (37,619) 100%Free returns4 watchers
- 1-10PC USB to RS232 Serial Port 9Pin DB9 Cable Serial COM Port Adapter ConvertorOpens in a new window or tabBrand New$7.06 to $27.83Save up to 5% when you buy moreWas: $30.92 10% offworldchips (190,304) 99.1%Free shippingFree returns
- Serial Adapter USB 2.0 Male To RS232 Female DB9 Serial Converter Cable 9 PinOpens in a new window or tabBrand New$8.91 to $9.01Buy 1, get 1 30% off with couponWas: $9.69 8% offgyeisafynt (158) 96.5%Free shipping
- 3Ft USB 2.0 to DB9 RS232 Serial Computer Converter 9 Pin w/25 Pin Male Cable PDAOpens in a new window or tabBrand New$9.48Save up to 10% when you buy moreList price: $12.98 27% offTop Rated Pluspartsdomauction (333,225) 99.4%+$0.99 shippingFree returns445 sold
- 2 PC 6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V/3.3VOpens in a new window or tabBrand New$4.99gravity_standard (169,245) 95.8%Free shipping242 sold
- USB to RS232 Serial Port DB9 9 Pin Male COM Port Converter Adapter R E8P5 V K3A0Opens in a new window or tabBrand New$7.87Save up to 15% when you buy moresinpast (1,457) 97%Free shipping
- USB to RS232 Serial Port 9 Pin Male Port Converter NEW Adapter T8E6Opens in a new window or tabBrand New$2.38sureicisi (1,978) 97.2%Was: $2.51 5% offFree shippingfrom China
- Digitus DA-70156 Usb to Serial Adaptor, Usb 2.0 W10,8,7,XP,MacOS X,Linux, NewOpens in a new window or tabBrand New$15.95Save up to 5% when you buy moreaopstore (4,994) 100%+$2.89 shipping618 sold
- USB 2.0 to RS232 Serial Port DB9 9 Pin Male Converter Adapter Win7/8/2000/XPOpens in a new window or tabBrand New$8.70old2wolves6 (14,183) 98.7%Free shipping179 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$7.08Save up to 8% when you buy moreWas: $8.43 16% offTop Rated Plusgocartgo (3,731) 93.9%Free shippingFree returns
- USB to RS-232 Serial Adapter w/ LED Indicators Windows 11 SupportOpens in a new window or tabBrand New$17.90sbarreros (488) 100%+$5.90 shipping
- TRENDnet TU-S9 USB to Serial Converter USB 1.1 to RS-232 Male DB9 Serial CableOpens in a new window or tabBrand New$9.99southelectronics (2,090) 99.7%+$3.50 shipping
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$1.60Top Rated PlusWas: $1.76 9% offsatisfyelectronics (217,457) 99.5%+$3.00 shippingfrom ChinaFree returns570 sold
- New USB 2.0 To RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable ConverterOpens in a new window or tabBrand New$8.99accxpress (72,152) 99%Free shippingFree returns2,875 sold
- USB to Serial Adapter 6 Feet USB to RS-232 Male (9-pin) DB9 Serial Cable PrOpens in a new window or tabBrand New$14.92boriswc (193) 100%Free shippingLast one2 watchers
- PTC Black High Speed USB 2.0 to Serial RS-232 DB-9 Converter with 3ft USB CableOpens in a new window or tabBrand New$14.99Save up to 10% when you buy moreprotechgroupinc (4,810) 99.2%Free shipping61 sold
- Manhattan 205146 USB to Serial Converter 18" with Gold Plated ContactsOpens in a new window or tabBrand New$19.99dealonline18 (44,103) 99.2%Free shipping174 sold
- Serial Adapter USB 2.0 Male To RS232 Female DB9 Serial Converter Cable 9 PinOpens in a new window or tabBrand New$8.04 to $8.13Buy 1, get 1 20% off with couponWas: $9.79 17% offudjueny (82) 92.7%Free shipping
- USB 2.0 To RS-485 DB9 80mm Serial Converter Adapter Cord Cable 2303 chipsetOpens in a new window or tabBrand New$10.80new2018small (5,945) 99%Free shippingfrom China
- TRENDnet USB to Serial Converter TU-S9 For Connections Brand NEW,Opens in a new window or tabBrand New$9.99sam_deals24 (9) 100%+$5.99 shipping
- USB to RS232 Serial Port DB9 9 Pin Male COM Port Converter AdapterOpens in a new window or tabBrand New$2.56miyukiki (2,454) 97.6%Free shippingfrom China
- USB To RS232 Serial Converter Cable AdapterOpens in a new window or tabBrand New$4.99lemee_78 (730) 100%+$4.00 shipping2 watchers
- USB TO RS232 SERIAL DB 9 PIN COM Port Converter cable for GPS Windows XP WIN 7 8Opens in a new window or tabBrand New$8.99Save up to 6% when you buy morebesteworld (189,723) 98.8%Free shipping422 sold
- 6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V/3.3VOpens in a new window or tabBrand New$10.99Save up to 15% when you buy moremaker_usa (21,941) 98.6%Free shippingLast one277 sold
- Cyberpower USB to Serial Converter USB to RS-232 Male DB9 SerialOpens in a new window or tabPre-Owned$8.9915ptr (2,943) 99.4%Free shipping
- New ListingUSB 2.0 To RS232 DB9 Serial Cable Adapter Converter For PDA Serial AdaptersOpens in a new window or tabBrand New$8.81 to $8.99$6 off every $30 with couponWas: $9.99 10% offcopnasafyut (0) 0%Free shipping
- B&B Electronics USO9ML2-4P - USB to Serial ConverterOpens in a new window or tabPre-Owned$134.99Top Rated PlusWas: $179.99 25% offsunnking (139,380) 98%+$16.88 shippingFree returns
- DB9 RS232 Serial to USB 2.0 Converter 9 Pin Adapter Cable for Android/Mac/LinuxOpens in a new window or tabBrand New$6.99ny-compu-tek (153,519) 98.9%+$0.26 shipping155 sold
- TRENDnet TU-S9 USB to Serial Converter USB 1.1 to RS-232 Male DB9 Serial CableOpens in a new window or tabBrand New$19.95cnil1635 (2,609) 99.6%Free shipping214 sold
- ATEN USB To Serial RS-232 Converter, Model UC-232A, With Software Disc & ManualOpens in a new window or tabBrand New$17.5099ronp (1,469) 99.6%Free 2-3 day shipping
- 10Ft Female DB9 Serial to Male USB Adapter Converter Cable Wire, PurpleOpens in a new window or tabBrand New$8.09Save up to 20% when you buy morepartempire (4,738) 100%Free shipping77 sold
- Mini USB to DB9 Serial Converter - PROLIFIC Chipset PL2303HXDOpens in a new window or tabBrand New$17.95eagleg2017 (199) 100%+$6.15 shipping85 sold
- CP2102 Module USB to TTL Serial Converter UART STC Download 5pcs Cables Ni C_~~Opens in a new window or tabBrand New$8.76Save up to 20% when you buy morejiji_497 (1,253) 95.8%Free shipping
- Digitus DA-70156 USB 2.0 To Serial ConverterOpens in a new window or tabBrand New$25.00gophersales (881) 100%+$9.25 shipping
- Digitus USB-C to Serial Adaptor DA-70166, USB 2.0 W10, 8, 7, XP,Mac OS X, LinuxOpens in a new window or tabBrand New$12.95Save up to 5% when you buy moreaopstore (4,994) 100%+$3.30 shipping
- USB to RS485 RS422 Serial Adapter FTDI Chip USB to Terminal Block ConverterOpens in a new window or tabBrand New$14.01Save up to 8% when you buy moreWas: $14.75 5% offgotw3527 (3,391) 99.2%Free shipping
- Digitus USB To Serial ConverterOpens in a new window or tabBrand New$12.00lipin5921 (101) 100%Free shipping
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$2.32microworld2050 (3,205) 99.4%+$5.01 shippingfrom ChinaFree returns66 sold
- New ListingPlugable USB Serial Converter PL2303 CABLE WITH DISK - Adapter - Changer - NiceOpens in a new window or tabPre-Owned$11.50handandtool (808) 100%0 bids · Time left6d 19h left (Sun, 11:52 AM)+$6.15 shipping
- 6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V/3.3VOpens in a new window or tabBrand New$3.99gravity_standard (169,245) 95.8%Free shipping444 sold
- (USB To RS232) Serial Port Cable Adapter Serial Port Cable Converter GAWOpens in a new window or tabBrand New$11.60Extra 6% off with coupongiaowe (142) 99.3%Free shippingFree returns
- Dafensoy USB to RS232 Serial Adapter USB a Male to DB9 Pin Female SerialOpens in a new window or tabBrand New$10.79Save up to 6% when you buy morekasse_j3y5piui (1,455) 99.4%Free shippingAlmost gone51 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor 6FTOpens in a new window or tabBrand New$6.6515% off 2+ with couponList price: $10.99 39% offzydistro (2,187,724) 94.1%Free shipping221 sold
- New Listing6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V/3.3V NEWOpens in a new window or tabBrand New$0.01universal-industrial-4.0 (2,301) 98.9%1 bid · Time left4d 19h left (Fri, 11:58 AM)Free shipping
- US USB 2.0 To RS232 DB9 Serial Cable Adapter Converter For PDA SatelliteOpens in a new window or tabBrand New$6.992006gns (103,008) 98.9%Free shippingFree returns655 sold
- TRENDnet 10 Ft. USB to Serial Converter, TU-S910 ,WhiteOpens in a new window or tabBrand New$12.99tech_provisions (239) 100%+$6.99 shipping
- FTDI USB 2.0 Converter Adapter Cable to RS-232 9-Pin RS232 Serial Port STM-9MNUTOpens in a new window or tabBrand New$34.95Top Rated Plusbluemax49ers (26,175) 99.9%Free shippingFree returns264 sold
- NEW TRENDnet TU-S9 USB to Serial Converter USB 1.1 to RS-232 FREE S/HOpens in a new window or tabBrand New$15.97earlypaintedfolkart (1,159) 100%Free shipping
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$1.78alice1101983 (569,807) 99.5%+$3.20 shippingfrom ChinaFree returns8,451 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$9.95Save up to 20% when you buy morejamatukk (3,164) 99.7%Free shipping
- TRENDnet TU-S9, USB to Serial ConverterOpens in a new window or tabBrand New$11.99tech_provisions (239) 100%+$6.99 shipping
- 1PCS CH340G USB 2.0 to 9-pin RS232 COM Port Serial Convert Adapter NEWOpens in a new window or tabBrand New$1.38Top Rated Pluslovesell2013 (76,899) 99.9%+$3.00 shippingfrom ChinaFree returns782 sold
- 3ft USB 3.0 & USB-C to RS232 Serial Cable Adapter DB9 Male/Female FTDI ChipsetOpens in a new window or tabBrand New$19.99Save up to 15% when you buy moreTop Rated PlusFree shippingnwca.com (12,570) 99.7%Free returns259 sold
- StarTech USB to RS232 DB9/DB25 Serial Adapter Cable ICUSB232DB25 (Grey)Opens in a new window or tabBrand New$14.88stuff2sellthree (41,107) 99.7%Free shipping13 watchers
- FTDI Chip USB 2.0 A to RS232 DB9 Serial Converter Cable 1M for Win 11/10 mac osOpens in a new window or tabOpen Box$12.95qhydz-usa (1,617) 99.7%Was: $16.19 20% off+$2.00 shippingfrom ChinaAlmost gone20 sold
- New UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin PL2303 Chipset RS-2Opens in a new window or tabBrand New$11.95Save up to 20% when you buy moreaznridah (1,130) 100%Free shipping
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor USOpens in a new window or tabBrand New$7.98$5 off $50+ with coupondiybox (76,989) 98.7%Free shipping
- Sabrent USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable, 6-Feet (CB-9P6F)Opens in a new window or tabBrand New$11.99sabrent_us (2,743) 99.8%Free shipping
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter ConvertorOpens in a new window or tabBrand New$6.40new2018small (5,945) 99%Free shippingfrom China
- For USB 2.0 To RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable Converter USAOpens in a new window or tabBrand New$10.49Top Rated Plusiaccessoryonline (12,745) 99.2%Free shippingFree returns16 sold
- Digi Edgeport/4 USB Converter/Expansion Module Edgeport/4 - 4 RS-232 serial DB-9Opens in a new window or tabOpen Box$100.00miami_scientific_100 (65) 100%Free shippingLast one
- FT232RL 3.3V 5.5V FTDI USB to TTL Serial Adapter Module for Arduino Mini PortOpens in a new window or tabBrand New$3.26Extra 5% off with couponWas: $3.83 15% offTop Rated Pluseelectronicparts (24,507) 99.6%+$5.35 shippingFree returns399 sold
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