26,000+ 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 (16,388) 99.8%Free returns2,170 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 (36,854) 94.6%Free shippingFree returns308 sold
- 1-10PC USB to RS232 Serial Port 9Pin DB9 Cable Serial COM Port Adapter ConvertorOpens in a new window or tabBrand New$7.37 to $29.06Save up to 5% when you buy moreWas: $30.92 6% offworldchips (190,164) 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 (136) 96.6%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 (14,068) 98.7%Free shipping769 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 (2,730) 99.8%Free shipping185 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$6.05Save up to 8% when you buy moreWas: $7.66 21% offTop Rated Plusqkmallllc_1 (35,209) 95.2%Free shippingFree returns
- USB to RS232 Serial Adapter, USB a Male to DB9 Pin Female Serial Converter CableOpens in a new window or tabBrand New$9.37cozzify (1,418) 98.9%Free shippingFree returns
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- USB to RS232 Serial Port DB9 9 Pin Male COM Port Converter AdapterOpens in a new window or tabBrand New$2.56miyukiki (2,369) 97.6%Free shippingfrom China
- 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 (450,633) 99.2%Free shippingFree returns246 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$5.90Save up to 8% when you buy moreWas: $8.43 30% offTop Rated Plusgocartgo (3,662) 93.9%Free shippingFree returns
- 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 (1,433) 96.4%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$8.99accxpress (72,102) 99%Free shippingFree returns2,874 sold
- USB to 485/422 serial port industrial grade RS485 module communication converterOpens in a new window or tabBrand New$6.99cs-889 (50) 93.9%+$5.99 shippingfrom ChinaLast one
- 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 (4,803) 99.2%Free shipping61 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 (2,713) 99.5%Free returns117 sold
- TRENDnet USB to Serial Converter, Connect a RS-232 Serial Device to a USB 2.0...Opens in a new window or tabBrand New$16.39sunnyw_36 (4,741) 96.2%Free shippingFree returnsAlmost gone11 sold
- MANHATTAN 205146 USB to Serial Converter, 18 InchesOpens in a new window or tabBrand New$18.81diddlydealsllc (6,242) 97.7%Free shipping
- Cyberpower USB to Serial Converter USB to RS-232 Male DB9 SerialOpens in a new window or tabPre-Owned$8.9915ptr (2,935) 99.7%Free 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$19.95cnil1635 (2,607) 99.6%Free shipping213 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$3.99gravity_standard (168,742) 95.8%Free shipping444 sold
- USB to RS232 Serial Port 9 Pin Male Port Converter NEW Adapter T8E6Opens in a new window or tabBrand New$2.38sureicisi (1,863) 97.4%Was: $2.51 5% offFree shippingfrom China
- 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 (168,742) 95.8%Free shipping238 sold
- 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 (4,724) 100%Free shipping77 sold
- USB to Serial RS-232 Converter, Adapter ATEN UC-232A NEW IN BOXOpens in a new window or tabBrand New$7.99sweetloustreasures (6,602) 98.5%+$5.90 shipping
- 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
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$1.76Top Rated Plussatisfyelectronics (217,392) 99.5%+$3.00 shippingfrom ChinaFree returns566 sold
- 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 (4,992) 100%+$2.89 shipping618 sold
- FT232RL 3.3V 5.5V FTDI USB to TTL Serial Adapter Module for Arduino Mini PortOpens in a new window or tabBrand New$3.45Extra 5% off with couponWas: $3.83 10% offTop Rated Pluseelectronicparts (24,436) 99.6%+$5.35 shippingFree returns395 sold
- FTDI USB 2.0 to Serial RS-232 DB9 9-Pin Adapter Converter Cable -CABLE ONLYOpens in a new window or tabBrand New$20.23thundersalespoint (1,390) 100%Was: $22.99 12% off+$2.59 shipping
- B&B Electronics USO9ML2-4P - USB to Serial ConverterOpens in a new window or tabPre-Owned$179.99Top Rated Plussunnking (139,285) 98%+$16.88 shippingFree returns
- USB to DB25 Male Serial Converter Apdater Null Modem Crossover Printer Cable ...Opens in a new window or tabBrand New$42.84zivpretz (45) 97.9%Free shippingLast one
- 6 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 (2,278) 98.9%1 bid · Time left3d 14h left (Tue, 08:23 AM)Free shipping
- TRENDnet 10 Ft. USB to Serial Converter, TU-S910 ,WhiteOpens in a new window or tabBrand New$12.99tech_provisions (237) 100%+$6.99 shipping
- 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 (14,068) 98.7%Free shipping178 sold
- US USB 2.0 To RS232 DB9 Serial Cable Adapter Converter For PDA SatelliteOpens in a new window or tabBrand New$6.992006gns (102,971) 98.8%Free shippingFree returns655 sold
- ATEN USB To Serial RS-232 Converter, Model UC-232A, With Software Disc & ManualOpens in a new window or tabBrand New$17.5099ronp (1,458) 99.6%Free shipping
- DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7Opens in a new window or tabBrand New3 product ratings - DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7$16.84connies_conbini (143) 100%Free shipping
- 3.3FT USB to RS232 Serial Port DB9 Male Adapter Converter Cable PROLIFIC ChipsetOpens in a new window or tabBrand New$23.11Buy 1, get 1 5% offWas: $24.33 5% offgalasdeals (22,371) 99.1%Free shipping
- XT-XINTE 1.5m USB-C to RS232 DB9 Male Serial Adapter w/ Female-Female ConnectorOpens in a new window or tabBrand New$10.78 to $11.52xtof1366 (502) 98.9%Was: $11.98 10% offFree shippingfrom China
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlackOpens in a new window or tabPre-Owned$0.99rjr122081 (764) 100%0 bids · Time left1d 23h left (Sun, 05:31 PM)$3.50Buy It Now+$5.80 shipping
- Digitus DA-70156 USB 2.0 To Serial ConverterOpens in a new window or tabBrand New$25.00gophersales (875) 100%+$9.25 shipping
- 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 (1,218) 95.9%Free shipping
- Vintage TRENDnet TU-S9 USB to Serial Converter - New SealedOpens in a new window or tabBrand New$4.89Top Rated Plus1 bid · Time left16h 41m left (Sat, 10:36 AM)commanderscott (38,604) 99.8%+$9.99 shippingFree returns
- Belkin F5U409 USB to 9 pin RS-232 DB9 Serial Converter Adapter for pc macOpens in a new window or tabPre-Owned$19.99nickj (1,386) 100%+$5.93 shipping
- TRENDnet TU-S9, USB to Serial ConverterOpens in a new window or tabBrand New$11.99tech_provisions (237) 100%+$6.99 shipping
- TRENDnet TU-S9 USB to Serial Converter USB to RS-232 Male DB9 Serial CableOpens in a new window or tabBrand New$17.95mike95innj (1,369) 100%Free shipping
- 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 (1,152) 100%Free shipping
- USB to RS485/RS422 converter Serial Port Converter Adapter Cable with FTDI ChipOpens in a new window or tabBrand New$16.39Save up to 11% when you buy moreWas: $23.09 29% offbeautiful1011 (5) 100%Free shipping
- 3Ft Translucent USB 2.0 to DB9 RS232 Serial Converter 9 Pin Adapter Cable PDAOpens in a new window or tabBrand New$6.60ny-compu-tek (153,461) 98.9%+$0.66 shipping532 sold
- Sabrent USB 2.0 to Serial Cable 6 feet SBT-FTDI ✅❤️️✅❤️️ BRAND NEW! ✅❤️️✅❤️️Opens in a new window or tabBrand New$8.99Save up to 15% when you buy moreTop Rated PlusFree shippingredtagdeal (17,922) 99.8%Free returns
- Tripp-Lite USB Serial Adapter USA-19HS CU7911 New SealedOpens in a new window or tabBrand New$26.50suehen (1,505) 100%+$6.50 shipping
- Dafensoy USB to RS232 Serial Adapter USB a Male to DB9 Pin Female SerialOpens in a new window or tabBrand New$10.91Save up to 6% when you buy morekasse_j3y5piui (1,440) 99.5%Free shippingAlmost gone51 sold
- USB a Male to RS232 DB9 Pin Female Serial Adapter Converter Cable, Suitable ...Opens in a new window or tabBrand New$10.29rynnosbrand (13) 100%Free shippingFree returns
- Manhattan 205146 USB to Serial Converter, 18 InchesOpens in a new window or tabBrand New$12.99richimerria0 (129) 100%+$5.25 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$10.99Save up to 15% when you buy moremaker_usa (21,925) 98.6%Free shippingAlmost gone276 sold
- TRIPP LITE USB To Serial Adapter RS232 U209-000-R NewOpens in a new window or tabBrand New$14.50kaye100cat (769) 97%Free shipping
- Manhattan 205146 USB to Serial Converter 18" with Gold Plated ContactsOpens in a new window or tabBrand New$19.99dealonline18 (43,952) 99.2%Free shipping168 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 (2,187,706) 94%Free shipping219 sold
- 2pk USB-TTL Converter Bundle; PL2303 PL2303HX 5V 3.3V USB Serial Adapter 2x USAOpens in a new window or tabBrand New$6.95nooelec (46,033) 98.5%Free shipping227 sold
- StarTech USB to RS232 DB9/DB25 Serial Adapter Cable ICUSB232DB25 (Grey)Opens in a new window or tabBrand New$14.88stuff2sellthree (41,073) 99.7%Free shipping14 watchers
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$1.64alice1101983 (569,624) 99.5%Was: $1.78 8% off+$3.20 shippingfrom ChinaFree returns8,441 sold
- USB To Serial Adapter 4 RS232 Port COM Reserve Feature DB9 Compact USB To RS NGFOpens in a new window or tabBrand New$24.19Extra 5% off with couponWas: $26.58 9% offdepartmartshop (1,875) 96.6%Free shippingFree returns
- 5Ft USB 2.0 to Serial RS232 Converter Adapter w/FTDI Chipset for Win, Mac, LinuxOpens in a new window or tabBrand New$15.99goonyumstore (11,841) 100%Free shippingFree returns386 sold
- Trendnet USB to Serial Converter TU-S9 NEWOpens in a new window or tabBrand New$10.49shophappyhuntingla (12,728) 99.9%Was: $14.99 30% off+$6.95 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 (26,095) 99.9%Free shippingFree returns263 sold
- New TRENDnet TU-S9 USB to Serial Converter USB to RS-232Opens in a new window or tabBrand New$12.80headett0 (19) 100%0 bids · Time left4d 20h left (Wed, 02:13 PM)$18.80Buy It Now+$6.75 shipping
- 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 (12,560) 99.7%Free returns257 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$2.31microworld2050 (3,129) 99.4%+$4.98 shippingfrom ChinaFree returns
- 9 Pin Cable PDA 3FT New Translucent USB 2.0 To DB9 RS232 Serial ConverteOpens in a new window or tabBrand New$9.98discountcoinshop (45,816) 99.2%Free shipping61 sold
- 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 (76,872) 99.9%+$3.00 shippingfrom ChinaFree returns780 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$9.99southelectronics (2,083) 99.7%+$3.50 shipping
- Trendnet USB to Serial Converter TU-S9 NEWOpens in a new window or tabBrand New$19.00specialfinds1969 (2,666) 100%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 (5,929) 98.8%Free shippingfrom China
- 6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V/3.3VOpens in a new window or tabBrand New$3.45Extra 5% off with couponWas: $3.83 10% offTop Rated Pluseelectronicparts (24,436) 99.6%+$5.35 shippingFree returnsAlmost gone55 sold
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