GPS Antenna

[Your_account]

Hey
I would need for research a GPS Antenna. So i look in Ebay and i found some:
Marine Fish Boat GPS Antenna New GPS timing antenna 5 meter SMA Plug male | eBay
New GPS Active Navigation Antenna cable RG174 3 meter SMA plug male connector | eBay
9 feet GPS Active Antenna SMA male plug connector adapter 3m 1575MHz 9' | eBay

Is there any better then other?
Thanks!

 

[krokus]

Those are active antennas, which means they have integrated electronics that require power be supplied. They are only able to be used with specific models, unless you want to rig up a power injector.

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[Your_account]

yes do you know an powersuply?

 

[krokus]

yes do you know an powersuply?

I do not know what those particular models would need. I can only assume it is low voltage DC.

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