Signal Boosters Including Cell Phone Antenna Adapters, Antennas. How-To: Add your own external GPS antenna. GPS is a nifty piece of technology. GPS hardware needs to have a clear view of the sky because it's satellite based, so using your handheld unit can be a problem when the roof of your car is blocking signal reception.
The obvious answer is to add an external antenna. The catch-22 is that many GPS units lack external antenna jacks. [Edit: Fixed the misspelling of NMEA in our diagram. If you crack open your GPS, you could extend the wire between the antenna and the internal antenna, but the loss from the extra wire would degrade the signal. To complete this project, you need: A suitable GPS receiver 26 gauge wire (0.4mm thick) 100pF or 47pf ceramic capacitor Active external GPS antenna BNC panel mount connector (may vary, get one to match connector for the antenna) 1/8 inch mini jacks or similar for power and serial output (optional) Tools: Soldering iron, pliers, wire strippers, drill We wanted a low cost dedicated GPS receiver that could be mounted somewhere in the guts of our vehicle.
External Antenna - Page 5 - Droid Forum - Verizon Droid & the Mo. Motorola Droid Antennas. Motorola Droid ANTENNA BOOSTER: GLASS MOUNT Motorola Droid exter. Cell Phone Manufacturer/ Distributor: This is a generic Motorola Droid glass mount antenna that is manufactured for Motorola Droid cell phones. No special cell phone antenna adaptor is needed to connect this Motorola Droid cell phone antenna booster to your phone! 10-15 dB System Gain (more than 10 times the signal of a phone used inside a vehicle without an outside antenna) may not be realized as external antennas that attach directly to RF antenna port on phones would, using phone RF antenna port connectors (which would require Motorola Droid connector that is sold separately).
For Cell Phone Model: Please make sure that your phone model is Motorola Droid because this glass mount antenna is perfectly compatible with Motorola Droid phones! Motorola Droid cell phone booster's long RG58 cable provides plenty of length to easily install this Motorola Droid mobile reception booster kit in any vehicle. UPC Code: Unknown. GPS Antenna - How to Improve Your Navigation with a GPS Antenna. Most GPS receivers have an antenna built in to them. The two most popular types of antennas used in GPS receivers are "patch" and "quadrifilar helix" or "quad helix" for short. This page addresses external GPS antennas which are normally used when stronger satellite signals are needed. (Browse all the other GPS articles and features.) Many models are mounted magnetically to the roof of a vehicle. Models that are made for buildings are often mast-mounted. The reasons to need anexternal GPS antenna: For use in a vehicle where the GPS receiver cannot or will not be placed near a window.For use when hiking under heavy tree cover or in canyons.For use in urban canyons (tall buildings).For use any place that the receiver doesn't have a good view of the sky.To minimize temporary loss of signal when in a vehicle in motion.To maintain the best possible accuracy by having a lock on the greatest number of satellites.
Types of GPS antennas Active Passive Reradiating Video: example of a reradiating antenna. Wilson Mobile Amplifiers & Repeaters.