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Milltech Marine News

February 2015 
AMEC and Milltech Marine will be at the Miami International Boat Show 
Come visit Alltek Marine Electronics (AMEC) and Milltech Marine at booth 1741 D Lobby at the Miami Beach Convention Center February 12-16.

February 2015 
Did you miss us at the Seattle Boat Show? 
We did two packed talks at the Seattle Boat Show this year. If you missed the sessions and want to view the slides you can get them here:
Using Your iPad Aboard
An Update on AIS Solutions for Boaters

DSC: More Than Just an Emergency Solution (from last year's show)

January 2015
US Coast Guard announces new rules for AIS
On January 30 2015, the US Coast Guard published their long-anticipated new rules for AIS which go into effect on March 2 2015. For more information, see our resource page here.

April 2014
Want to connect Coastal Explorer and an AIS Matrix radio together?
Check out our blog articles with step-by-step instructions for the GX2150 and GX2200 on how to use our USB Breakout Cable to easily tie these together.

March 2014
New AIS transponders from AMEC
AMEC has released two new Class B transponders – including one with Wi-Fi support and one new Class A transponder – with integrated color screen. Check out the new CAMINO-108 models and the CAMINO-701.

July 2013
AMEC CYPHO-150 now available!
We now have the AMEC CYPHO-150 in stock. This full featured dual-channel AIS receiver is less than $200 and has receive range that goes beyond most other receivers. More info can be found here.

April 2013
Milltech Marine opens a retail store!
We are happy to announce we now have a retail store in Port Orchard. If you’re in the area, stop in and say hi. More info can be found here.

Same-day Shipping
If placed by 11:00AM PST, Monday through Friday, most orders ship same-day (Excluding domestic Class B AIS which must be programmed before shipping).

We Ship Internationally.
Use the online Shopping Cart to make sure your location
is served and to check shipping costs. For more information, click here. Please call or email with any questions

Home > Accessories
AMEC NMEA 2000 Adaptor
AMEC NMEA 2000 Adaptor
Item Id: AMEC-NK-80 review

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NMEA 2000® to NMEA 0183 Gateway Adaptor 

The AMEC NK-80 NMEA 2000® Adaptor provides a full featured gateway between NMEA 0183 devices and NMEA 2000 networks. Likewise, a NMEA 2000 device can now be used by a marine instrument that only supports NMEA 0183.

AMEC Logo This device allows two-way communication between NMEA 0183 and NMEA 2000. For example, you could connect a CAMINO-101 Class B transponder to your NMEA 2000 network. Or you could connect a standard NMEA or serial AIS receiver to a NMEA 2000 network. Or you could gateway all your NMEA 2000 traffic to a NMEA 0183 chartplotter. Or you could connect to a NMEA 2000 network using a computer serial port.  


High-Performance 32-bit RISC CPU
The CPU has a performance of 80 DMIPS to manage high traffic loading of NMEA data transactions.
Build-in memory storage
Features 64KB RAM and 256KB Flash ROM to ensure no loss of data.
Galvanically isolated
Protect your circuitry and investment from electrical spikes.
Configurable through a serial connection
This allows users to monitor/control NMEA data transactions. The product includes a Windows-based configuration tool to allow setting the NMEA port baud rate, map which sentences are passed between the networks and other settings.  
NMEA 2000 Certified
Provides maximum compatibility. The NK-80 passes all NMEA 2000 PGNs and NMEA 0183 sentences.
Powered by the NMEA2000 network
The NK-80 draws its power from the NMEA 2000 network so no additional power wiring is required.
Simple installation
Simply connect the NK-80 to your existing NMEA 2000 network and connect the NMEA 0183 input/output wires to your NMEA device. LEDs confirm data communication on both the NMEA 2000 and NMEA 0183 ports.



NMEA 2000 standard version1.2 (2004)

NMEA 2000 CAN Bus line Transmitter





Recessive bus voltage

VTXD = VDD; no load.



Dominant bus voltage NET-H

VTXD = 0.8V



Dominant bus voltage NET-L

VTXD = 0.8V



Recessive differential output voltage

VTXD = 2V; no load



Dominant differential output voltage

40Ω < RL < 60Ω



NMEA 2000 CAN Bus line Receiver

NET-H, NET-L common-mode input resistance

typical 100 KΩ

Differential input resistance

typical 100 KΩ



4,800, 9,600, 38,400 (default),

Baud rate

57,600, 115,200 bps


Operation Temperature


Storage Temperature


Water Proofing






132 mm


30 mm


22.8 mm

Cable Lengths

NMEA 2000 cable: 0.1m
NMEA 0183 cable: 1 m


< 150 g


NMEA 2000 Load Equivalency Number (LEN)

1 (under 50 mA)


Supply Voltage from CAN Bus

12VDC / 24VDC (Typical)



About AMEC
Founded in 2006, Alltek Marine Electronics Corp., also known as AMEC, is a ISO9001:2000 certified company that designs and manufactures marine electronic equipment. More than half of the company's engineering talent has over 10 years of hands-on experience, including extensive experience with military projects. AMEC products are known for excellent build-quality, reliability, performance and value. Milltech Marine is the US distributor for AMEC marine products.
 Customer Reviews Average Rating review  
  The NK-80 works perfect. I installed a new Raymarine " Evolution" autopilot (NMEA2000) on my Cape Dory last month and wanted to interface my Garmin 276 (NMEA0183)to the new autopilot. I did have to change the baud rate on the NK-80 to match the baud rate on the "older" Garmin to 4800. Easy enough to may need to buy a RS-232 to usb adapter if your newer pc does not have RS-232 port.
  Reviewed by:  Larry Austin from Connecticut. on 4/30/2014
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