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ewertro Occasional Visitor
Joined: Sep 18, 2007 Posts: 2
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Posted: Thu Nov 08, 2007 1:42 am Post subject: external antenna connection |
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Hi there,
Anyone have arecommendation for a in vehicle/ portable GPS that outputs 5v for an external antenna? I have a Garmin II+ that is acting up and needs replacement, but I need the 5volts to power up the GPS antennas I work on. Thanks in advance |
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philpugh Lifetime Member
Joined: Dec 28, 2005 Posts: 2003 Location: Antrobus, Cheshire
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Posted: Thu Nov 08, 2007 12:41 pm Post subject: |
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Try the GARMIN GPS60 range of hand helds. It's a virtual replacement for the GPSII+. (I have both) You can even use the existing GPSII+ power/serial data lead (the funny cylindrical 4 pin block).
In addition you get USB and options in the range do colour or monochrome mapping if required. High spec devices have SiRF chipset. _________________ Phil |
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ewertro Occasional Visitor
Joined: Sep 18, 2007 Posts: 2
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Posted: Thu Nov 08, 2007 9:36 pm Post subject: |
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have you measured the actual output at the antenna, does it really have 5 volts? |
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Pc-Mobile Frequent Visitor
Joined: 26/10/2002 10:38:36 Posts: 789 Location: Hong Kong
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Posted: Mon Nov 19, 2007 5:19 pm Post subject: |
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ewertro wrote: | have you measured the actual output at the antenna, does it really have 5 volts? |
I guess you have an old antenna (for use with II+) that needs 5v and you want to use that with your NEW GPS?
If so you are going in the wrong way.
No new GPS use BNC (what II+ uses) connector. They mostly use MCX with some using MMCX. And they output around 3-4v. If you still want to use your old antenna, Garmin Streetpilot (old) series do use the same BNC connector and they provide 5v.
I would forget your old antenna and get a new one for your new GPS. New antennas are much more efficient than your old one and are very cheap. Your old antenna may have cost you a bomb when you bought it. New one cost only a fraction. _________________ Pc-Mobile
http://pc-mobile.net/gps.htm |
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