Quick Summary
This marine GPS navigation antenna is an external aerial for boat and ship use. The name points to a 5 m cable version, and the description also refers to a 10 m cable choice in the wider package wording, so the exact cable length should be confirmed before purchase.
It is described as IP67 weatherproof, with 26 dB gain, a BNC male connector and a TNC adapter. The product text also refers to support for GPS, GLONASS and Beidou signals.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | External marine GPS navigation antenna for chartplotter and receiver use. |
| Connector | BNC male connector with TNC adapter, so the connection type needs to match the receiver. |
| Cable | 5 m cable is named in the product title, while the description also mentions a 5 m or 10 m cable choice. |
| Protection rating | IP67 weatherproof, which is relevant for buyers comparing outdoor protection levels. |
| Gain | 26 dB gain is stated, alongside a separate reference to 5 dBi antenna gain. |
| Signal systems | GPS, GLONASS and Beidou are named. |
What to Compare Before Buying
- Connector type: Check that your marine receiver accepts a BNC or TNC connection, as the exact fitting matters more than the product type alone.
- Cable length: Compare the stated cable length with the run you need on board, then confirm whether the offer is for the 5 m or 10 m cable version.
- Protection rating: IP67 is stated, so this is a useful check if the antenna will be used where weather exposure is expected.
- Device match: The wording mentions Garmin GPSMAP series and other marine navigation devices, so model compatibility should be checked against the exact unit you own.
Compatibility, Size and Fit
The connector and device match are the main checks for this antenna. The product text refers to Garmin GPSMAP series and also to marine receivers and navigation devices using BNC or TNC male connectors. If your equipment uses a different connector, it will not be a direct fit.
The cable length also affects placement. Confirm where the antenna will be mounted and whether the selected 5 m version reaches the receiver without strain.
Before You Decide
Confirm the exact cable length, connector type and device compatibility before choosing an offer. The key decision points here are the BNC/TNC connection, the stated IP67 protection and the intended fit with your marine receiver or GPSMAP unit.






