One can purchase a Griffin iTrip Transmitter from a physical store such as Walmart, or an online site such as Amazon. The cost for this transmitter is usually under $20.
A Griffin itrip transmitter uses the power supply provided by your Ipod, so you are using that battery. There is no battery source in the Itrip I own.
The Griffin Itrip auto serves as both FM transmitter and car charger in a single car accessory. An Itrip can be used even with an Ipod that is fully battery depleted and recharges the unit.
an iTrip transmitter is an FM transmitter that is compatible with Apple iPods. You can plug in your iPod, and it will play your music through an intermittent FM station.
From the research I have done, the best FM transmitter will depend on what you are using it for. Two that I found come rated with 4 and 1/2 stars are the Belkin TuneCast F8Z498-P FM Transmitter and the Griffin itrip auto fm transmitter for ipod.
The Itrip Transmitter attaches to the bottom of an Apple Ipod music player and receives FM radio signals. It provides high quality sound and little battery drainage from the Ipod.
The iTrip Auto Transmitter currently sells for $35.00 for the Apple iPod. There are other versions of the products sold for other manufacturers such as Philips and Sony.
Yes, there are multiple listings on Amazon for auto fm transmitters. You can type 'auto fm transmitters' in the search bar on the site or you can find links such as this on a regular Google search: http://www.amazon.com/Griffin-iTrip-Transmitter-Charger-Black/dp/B000BWACX2
You take the iTrip itself and plug it directly into the headphone jack of the iPod or whatever digital device you have. Then you Would tune your radio to whatever channel you have the device set to.
You can buy the itrip nano online. You can go to amazon.com or ebay.com or staples.com. You can also purchase the itrip nano at Staples stores around the country.
I have a Griffin Evolve for ipods but all functions work for my iphone 3g
The iTrip nano is not a GPS device; it is an FM transmitter. It allows you to broadcast your iPod and other MP3 devices through an FM station on your car radio.
The itrip is an FM transmitter that attaches to your ipod and allows you to get radio frequencies from FM radio on your ipod. It isn't made by Apple, the maker of ipods, but they are available for sale at most electronics stores.