Skip to content
  • Official Quark-Elec U.S. Website — Orders ship within the U.S. only. For worldwide sales, please visit Quark-Elec.com
Quark-Marine, AIS, NMEA Gateways & Marine Electronics in USAQuark-Marine, AIS, NMEA Gateways & Marine Electronics in USA
  • About Us
  • Products
    • AIS Transponders & Receivers
    • Engine Management
    • GPS Receivers & Antennas
    • Heading Sensor
    • Multifunction Display
    • Multiplexers
    • NMEA 2000
    • NMEA 2000 Converters
    • SeaTalk Converters
    • VHF Antenna Splitter
    • WiFi Marine Products
    • Accessories
  • Downloads
    • Manuals
    • Drivers & Firmware
    • Configuration Tools
    • Software
  • Solutions
  • More
    • Blog
    • Contact Us
    • Privacy Policy
    • Terms and Conditions
    • Returns Policy
  • Login
  • Cart / $0.00 0
    • No products in the cart.

      Return to shop

  • 0
    Cart

    No products in the cart.

    Return to shop

Add to wishlist
AS03 NMEA Protocol Bridge
AS03 NMEA Protocol Bridge - Image 2
AS03 NMEA Protocol Bridge - Image 3
Home / Marine Electronics / Accessories

AS03 NMEA Protocol Bridge

$25.00

Converts  NMEA 0183 RS422 signals to RS232 and visa -versa

Connects Quark-elec (or other) NMEA 0183 RS422 products to older chart plotters or sensors (including some older Garmin/Raymarine/Standard Horizon devices).

In stock (can be backordered)

You may also like…

  • A027 Wireless AIS Receiver with GPS + SeaTalk Converter A027 Wireless AIS Receiver with GPS + SeaTalk Converter $175.00
  • A031 NMEA 0183 Multiplexer with SeaTalk* Converter A031 NMEA 0183 Multiplexer with SeaTalk* Converter $140.00
  • A032 NMEA 2000/0183 Bi-directional Gateway + USB + WiFi A032 NMEA 2000/0183 Bi-directional Gateway + USB + WiFi $160.00
  • A026 AIS Receiver with NMEA Multiplexer + WiFi + GPS A026 AIS Receiver with NMEA Multiplexer + WiFi + GPS $170.00
Browse
  • Marine Electronics
  • AIS Transponders & Receivers
  • Engine Management
  • GPS Receivers & Antennas
  • Heading Sensor
  • Multifunction Display
  • Multiplexers
  • NMEA 2000
  • NMEA 2000 Converters
  • SeaTalk Converters
  • VHF Antenna Splitter
  • Voyage Data Recorder
  • WiFi Marine Products
  • Accessories
Recently Viewed
  • A027-plus NMEA 2000 AIS+GPS Receiver with NMEA Multiplexer and LAN, N2K, WiFi,USB Outputs A027-plus NMEA 2000 AIS+GPS Receiver with NMEA Multiplexer and LAN, N2K, WiFi,USB Outputs $260.00
  • AS07-0183 GPS & Heading Sensor with optional USB output AS07-0183 GPS & Heading Sensor with optional USB output $185.00
  • Description
  • Downloads

Description


AS03 Protocol Bridge enables the connection of Quark-elec (or other) NMEA 0183 RS422 products to older RS232 chart plotters or sensors (including older Garmin/Raymarine/Standard Horizon devices).

Converts NMEA 0183 RS422 to RS232 and visa -versa.

The AS03 solves the issue of how to convert the balanced signal output by NMEA 0183 RS422 products to the unbalanced signal required by older NMEA 0183 RS 232 instruments and chart plotters.

Features


· RS232 to RS422 signal conversion

· RS422 to RS232 signal conversion

· Provides instant compatibility between Quark-elec products and older plotters and instruments using the older RS232 protocol.

· Simple ‘Plug ‘n’ Play’ connection

· No setup/configuration needed

Example Connection – How to convert NMEA 0183 RS 422 to RS232 and convert RS 232 to RS422.


 

What’s Included ?

1 x AS03 NMEA Protocol Bridge module and connector block.

 

Document TypeLink
User Manual

Related products

AS01 NMEA 0183 to NMEA 2000 Converter N2K
Add to wishlist

AS01 NMEA 0183 to NMEA 2000 Mini Gateway

$140.00
Add to cart
STNG NMEA 2000 Bi Directional SeatalkNG Cable N2K
Add to wishlist

STNG-N2K-FM Bi-Directional SeaTalkNG ↔ NMEA 2000 Converter Cable

$33.00 – $48.00Price range: $33.00 through $48.00
Select options
This product has multiple variants. The options may be chosen on the product page
AS04 Portable GPS Antenna
Add to wishlist

AS04 Portable GPS Antenna

$18.00
Add to cart
A052T 5W SOTDMA Class B+ WiFi & NMEA 0183/2000 AIS Transponder
Add to wishlist

A052T 5W SOTDMA Class B+ WiFi & NMEA 0183/2000 AIS Transponder

$739.99
Add to cart
AS10 NMEA 2000 Environmental Sensor NMEA 2000 N2K
Add to wishlist

AS10 NMEA 2000 3-in-1 Environmental Sensor

$155.00
Add to cart
A027-plus NMEA 2000 AIS+GPS Receiver with NMEA Multiplexer and LAN, N2K, WiFi,USB Outputs
Add to wishlist

A027-plus NMEA 2000 AIS+GPS Receiver with NMEA Multiplexer and LAN, N2K, WiFi,USB Outputs

$260.00
Add to cart
NMEA 2000 N2K Starter Kit
Add to wishlist

NMEA 2000 N2K Starter Kit

$95.00
Add to cart
A013 12V to 5V Low Interference Converter
Add to wishlist

A013 12V to 5V Low Interference Converter

$40.00
Select options
This product has multiple variants. The options may be chosen on the product page
Contact

Quark-elec (UK)
Unit 3,Clare Hall
St. Ives Business Park
St Ives, Cambridgeshire
PE27 4WY,
United Kingdom

Phone: +44 (0)1480 764 976
Email: info@quark-elec.com

 

Latest Blog Posts
  • 15
    Apr
    Unlock Dual-Engine Monitoring with the A037 No Comments on Unlock Dual-Engine Monitoring with the A037
  • 23
    Mar
    Understanding AIS Transponders: Class B vs. Class B+ (SOTDMA) No Comments on Understanding AIS Transponders: Class B vs. Class B+ (SOTDMA)
  • 06
    Mar
    Why Choose Quark-Elec for Marine Electronics No Comments on Why Choose Quark-Elec for Marine Electronics
PayPal
Visa
MasterCard
Apple Pay
Google Pay
Copyright 2026 © Quark-Marine
  • About Us
  • Products
    • AIS Transponders & Receivers
    • Engine Management
    • GPS Receivers & Antennas
    • Heading Sensor
    • Multifunction Display
    • Multiplexers
    • NMEA 2000
    • NMEA 2000 Converters
    • SeaTalk Converters
    • VHF Antenna Splitter
    • WiFi Marine Products
    • Accessories
  • Downloads
    • Manuals
    • Drivers & Firmware
    • Configuration Tools
    • Software
  • Solutions
  • More
    • Blog
    • Contact Us
    • Privacy Policy
    • Terms and Conditions
    • Returns Policy
  • Login

Login

Lost your password?

Register

A link to set a new password will be sent to your email address.

Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.