Milltech Marine News

June 2023

Any questions about what AIS you should get?

Our AIS Comparison guide is an quick and easy way to sort through the marketing fluff and find the unit that fits your needs best. It has been updated for 2023 and can be found on the AIS Transponder product page or link directly here.

March 2023

Vesper Marine Cortex Gets Long Awaited Software Update

Cortex just got even better. Introducing the new and improved Cortex 2.0 software update. There's a new sleek user interface for Cortex handsets and some big improvements to core VHF functions to ensure you never miss a word. Cortex software 2.0 features new Squelch EQ

automated squelch with manual fine-tuning, omni watch multichannel scanning, and VHF audio recording and playback. Find out more here.

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If placed by 3:00PM EST, Monday through Friday, most orders ship same-day (excluding domestic Class B AIS which must be programmed before shipping).

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

Portable GPS Antenna with TNC Connector

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Your Price: $30.00

The Portable GPS Antenna with TNC connector has a magnet-mount, a 12 foot/3.7 meter antenna cable and is designed to be used with AIS receivers and AIS transponders that require a male TNC connector. This antenna has been tested and works well with: AMEC CAMINO-101 Class B AIS Transponder, Vesper Marine AISWatchMate 850 Class B AIS Transponder, AMEC CYPHO-101G AIS/GPS Receiver.

Questions about this item? Ask here.

Part Number: ANT-GPS-TNC-P

Availability: Back Order

Quantity	Price
10+	$27.00

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Description
Questions and Answers

This portable magnet-mount GPS antenna is designed to be used with AIS receivers and transponders that require a male TNC connector. This antenna has been tested and works well with all AIS transponders and receivers that have a TNC GPS antenna port.

This antenna includes a 12 foot antenna cable.

Q: Other than interference of being inside the boat, are the receiving and transmitting capabilities of this antenna and an external antenna equal?

Asked by: Mike - 1/30/2018

A: This antenna works well inside the cabin but won't be as good as a marine grade mushroom style outside the cabin but it will be decent and provide acceptable performance. We have lots of customers using them with great results.

Was this answer helpful? 4 of 4 Customer(s) found this Answer helpful.

Answer provided by: Doug Miller (1/30/2018)

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Q: What is the operating voltage of this antenna?

Asked by: Seth - 3/16/2017

A: This antenna takes 3-5 volts DC upstream via the coax to power the low noise amplifier built into the antenna. This is standard for pretty much all GPS antennas used with AIS transponders.

Was this answer helpful? 2 of 2 Customer(s) found this Answer helpful.

Answer provided by: Doug Miller (3/17/2017)

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Q: Can this antenna be oriented in any position, ie: vertical, inverted, etc.?

Asked by: Dan Bartlett - 4/27/2025

A: Yes, the Portable GPS Antenna can be oriented in any position—vertical, horizontal, inverted, etc.—without affecting its performance. GPS antennas are designed to receive signals from satellites across a wide portion of the sky, so orientation is flexible as long as the antenna has a reasonably clear view of the sky. That said, for best results, the face of the GPS antenna should generally have a reasonably unobstructed view upward toward the sky, as GPS performance depends on maintaining line-of-sight to multiple satellites.

Was this answer helpful? 1 of 1 Customer(s) found this Answer helpful.

Answer provided by: Milltech Marine (4/28/2025)

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Q: Is this an active (i.e, with GPS receiver in the antenna) or passive GPS antenna? If passive is it compatible with a Raymarine AIS700? Thanks

Asked by: Bob - 1/6/2024

No Answers have been submitted yet.

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Q: Are the defiantly in stock?

Asked by: Kathy Cooper - 2/20/2025

No Answers have been submitted yet.

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