Best Usb Type A Serial Adapters in 2026

Daisy
Last Updated: Aug 2, 2026

At a Glance: Our Top Picks for Usb Type A Serial Adapters

Alfa AWUS036NHA - Wireless B/G/N USB Adaptor - 802.11n - 150Mbps - 2.4 GHz - 5dBi Antenna - Long Range - Atheros Chipset - Windows XP/Vista 64-Bit /128-Bit Windows 7 Compatible
#TOP1
Alfa Awus036Nha - Wireless B/G/N Usb Adaptor -
9.7
PM SCORE
HiLetgo HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino
#TOP2
Hiletgo Hc-06 Rs232 4 Pin Wireless Bluetooth Serial
9.5
PM SCORE
DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino
#TOP3
Dsd Tech Hc-05 Bluetooth Serial Pass-Through Module Wireless
9.4
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Usb Type A Serial Adapters of 2026

Alfa Awus036Nha - Wireless B/G/N Usb Adaptor - 802.11N - 150Mbps - 2.4 Ghz - 5Dbi Antenna - Long Range - Atheros Chipset - Windows Xp/Vista 64-Bit /128-Bit Windows 7 Compatible

ALFA NETWORK
AWUS036NHA
3.54 X 0.39 X 2.36 Inches
0.35 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
UnbeatableSale, Inc 9.83

Features

Compatible with any brand 802.11b, 802.11g or 802.11n router using 2.4 Ghz wave-length

Includes a 4 inch 5 ddbi screw-on swivel rubber antenna that can be removed and upgrade up to 9 dbi

Compatible with IEEE 802.11 b/g/n wireless standards | 2.4GHz frequency band, MIMO (Multiple Input Multiple Output) | Complies with Universal Serial Bus Rev. 2.0 specifications

High speed transfer TX data rate up to 150 Mbps | Supports wireless data encryption with 64/128-bit WEP, WPA, WPA2, TKIP, AES

Wide Range coverage Compliant with FCC Part 15.247 for US, ETS 300 328 for Europe | Supports driver for Windows 2000, XP 32/64, Vista 32/64, Windows 7

#TOP2

Hiletgo Hc-06 Rs232 4 Pin Wireless Bluetooth Serial Rf Transceiver Module Bi-Directional Serial Channel Slave Mode For Arduino

HILETGO
3-01-0179-A
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HiLetgo 9.87

Features

Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane

Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid.

Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g.

The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect.

Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices.

#TOP3

Dsd Tech Hc-05 Bluetooth Serial Pass-Through Module Wireless Serial Communication With Button For Arduino

DSD TECH
HC05-001
1.10 X 0.60 X 0.10 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DSD TECH Direct 8.87

Features

Bluetooth module HC-05 Master and slave Two in one module. Please note: iOS devices (iPhone) are not supported

Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards

Module working voltage 3.6 V to 6V

Default rate of 9600,default pin:1234, the user can be set up.click the button into AT MODE

Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified

#TOP4
Best For Usb

Netgear Universal N300 Wi-Fi To Ethernet Adapter (Wnce2001)

NETGEAR
WNCE2001-100NAS
6.30 X 5.12 X 2.05 Inches
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
eCommerce Central Hub 5.52

Features

Wi-Fi Standard-IEEE 802.11n (draft); Wireless Transmission Speed-300 Mbps; Interfaces/Ports-Fast Ethernet Port-Yes; Interfaces/Ports-VGA-No; I/O Expansions-Expansion Slots-Not Applicable; Physical Characteristics-Height-0.7 inches

ISM Band-Yes; Wireless Security-WPA-PSK ; WPA2-PSK ; 64/128-bit WEP; ; Interfaces/Ports-Gigabit Ethernet Port-No; Interfaces/Ports-Serial Port-No; Power Description-Power Over Ethernet-No; Physical Characteristics-Width-2.4

Avoid long stringing cables Freedom to place your home entertainment center anywhere and still connect to the Internet

Supports Windows 8

Wireless Security-WPA-PSK

#TOP5

Hiletgo Hc-05 Wireless Bluetooth Rf Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication Bt Module For Arduino

HILETGO
3-01-1291-UK-1PC
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HiLetgo 9.87

Features

The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module

HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED.

Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234

Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode.

6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board

#TOP6

Hiletgo Hc-12 433Mhz Si4438 Wireless Serial Port Module 1000M Replace Bluetooth With Antenna

HILETGO
3-01-1216
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HiLetgo 9.87

Features

433Mhz SI4438 1000M HC-12 Replace Bluetooth Antenna

Power supply voltage : 3.3V

Default communication distance: about 1000 meters

Default idle current: 16 ma

Module size: 27.8mm*14.4mm*4mm

#TOP7

Dsd Tech Usb To Can Bus Adapter Based On Open Hardware Canable

DSD TECH
SH-C30A
3.35 X 1.30 X 0.51 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DSD TECH Direct 8.87

Features

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan.

Open Source Hardware Plan: SH-C30A is derived from the open source hardware project Canable. As a good quality hardware manufacturer, DSD TECH hopes to make some contributions to the development of open source hardware. All documentation of this product (schematics, BOM lists, Gerb files) is publicly available on the DSD TECH website.

USB to CAN Bus: With this adapter, your computer can be connected directly to the CAN bus. Built-in 120 ohm switch and programming switch.

Flexibility: With the default Candlelight firmware, you can complete the data processing of the CAN bus through the open source software cangaroo.You can also flash other firmware yourself to support software such as PCAN, SLCAN,BUSMASTER etc.

Warranty: DSD TECH provide a 1 year warranty and lifetime technical support for this USB to Can Adapter.if you have any questions, please feel free to contact us. We will respond within 24 hours.

#TOP8

Dsd Tech Hc-05 Classic Bluetooth 2.0 Serial Wireless Module For Uno R3 Nano (Basic Version)

DSD TECH
HC05-BA-2
2.00 X 1.50 X 0.10 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DSD TECH Direct 8.87

Features

HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your DIY project, and then you can use your android phone to control some gadgets, such as: switch, LED.

Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234

Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode.

6 PIN Dupont Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module.

Why choose DSD TECH brand: you not only get high-quality products, you can also get technical support and ONE YEAR WARRANTY. You can ask any questions about this HC05 module, our technical team is waiting for you.

Top 10 serial adapters Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Dsd Tech 3
Hiletgo 3
Alfa Network 1
Netgear 1

Top 10 serial adapters Brands Pie Chart


We've carried out a comprehensive analysis of 5,604 reviews on serial adapters, using our selection criteria to identify the best options in the computers & accessories. Our findings reveal that most customers typically select serial adapters priced around $48.82, with top brands including oikwan, kingdee inc, warmstor, dtech, startech, benfei, dsd tech, sabrent and godshark and top-longer

Our team of expert editors reviewed these high-quality items and handpicked the top 8 serial adapters for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the computers & accessories category. These include oikwan, kingdee industrial co.,ltd, warmstor, dtech co.,ltd, amazon.com, benfeidirect, dsd tech direct, store4pc and aflatroad and top-longer .

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