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Home > Cell Phone Forums > Manufacturers Talk > Motorola Talk > Rokr to Radio

Rokr to Radio

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flipmod3
Antenna Booster Novice
Posts: 4

Phone Model:
Rokr E1

Service Provider:
Rogers
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Mon Dec 26, 2005 6:09 pm 
Can anyone tell me if its possible to connect a wireless fm transmitter to the rokr. The handset came with a 2.5mm to 3.5mm jack. I tryed with a nexxtech but everytime i play a song it just comes out the speakers instead of the transmitter.. I would like to play the music from the rokr to my car stereo.
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peetah
Antenna Booster Novice
Posts: 7

Phone Model:
ROKR E1

Service Provider:
Rogers
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Thu Jan 12, 2006 8:59 pm 
tried it with the iriver fm transmitter and had no luck either

the adapter from motorola headphones to regular headphone works fine as I tried it with non-motorola headphones

haven't tried with external speakers, but figure thats the next step

like yourself I want to listen to the ROKR thru the car stereo

can understand what the difference is between a non-motorola headphone and the transmitter other than the transmitter is powered
peetah
Antenna Booster Novice
Posts: 7

Phone Model:
ROKR E1

Service Provider:
Rogers
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Thu Jan 12, 2006 9:07 pm 
just tried it thru the speakers in my monitor and it worked

not sure if they are powered by the monitor or not

flipmod3
Antenna Booster Novice
Posts: 4

Phone Model:
Rokr E1

Service Provider:
Rogers
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Fri Jan 13, 2006 1:44 am 
Ive try with two different computer speakers. One from dell that came with my laptop and has a seperate sub woofer(didnt work). Another regular speakers on my girlfriends computer(worked fine). I dont understand why the handset prefers one speaker from the other.. Maybe we have to find an fm transmitter that will work. Im picking up a Belkin tunecast tranmitter this weekend from The Souce. If it works ill let you know and if it doesnt ill have to take it back for a refund like the nexxtech.
peetah
Antenna Booster Novice
Posts: 7

Phone Model:
ROKR E1

Service Provider:
Rogers
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Fri Jan 13, 2006 10:27 am 
sounds good let me know
peetah
Antenna Booster Novice
Posts: 7

Phone Model:
ROKR E1

Service Provider:
Rogers
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Fri Jan 13, 2006 11:47 am 
I am reading some post over @ Howard Forums and I am starting to believe the adapter might be the problem, their are a ton of posts on that topic, I will sort through them and tell you what I find out

elmo01
Moderator
Posts: 2198

Phone Model:
Samsung SPH-M510

Service Provider:
Bell Canada
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Fri Jan 13, 2006 12:15 pm 
flipmod3 wrote:
Ive try with two different computer speakers. One from dell that came with my laptop and has a seperate sub woofer(didnt work). Another regular speakers on my girlfriends computer(worked fine). I dont understand why the handset prefers one speaker from the other.. Maybe we have to find an fm transmitter that will work. Im picking up a Belkin tunecast tranmitter this weekend from The Souce. If it works ill let you know and if it doesnt ill have to take it back for a refund like the nexxtech.


subwoofers are set up on a separate channel... you have a left and right channel and subwoofer... there is an adapter jack you can get 3channel to 2 channel...
peetah
Antenna Booster Novice
Posts: 7

Phone Model:
ROKR E1

Service Provider:
Rogers
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Fri Jan 13, 2006 1:23 pm 
well I got it to work, after I read this post, elsewhere

http://www.howardforums.com/showthread.php?t=758608

in particular this part

>Motorola phones have a digital switch that senses resistance drop when >the headset or earphones are connected. It then shuts the sound off to >the phones internal speaker & turns sound on through the output socket. >This is unlike most stereo systems that just have a switch like connecter >on the socket that connects when you push the plug in. I think motorola >don't use this method as there is just no room on the tiny 2.5mm 4 >connection socket to house a connection switch.
>
>You say your 2.5 to 3.5 adaptor works with earphones but not with a >stereo RCA plug adapter & your home stereo system. This must mean >the resistance from your RCA adaptor plugged into the stereo is to high >& your phone isn't sensing you have connected it to something. You >could (maybe) solve this by soldering resisters around 16 ohms or even >just cheap earphones between the + & - wires inside the RCA plugs.

I thought I'd give a 3.5mm Y-adapter a try with the transmitter plugged into one jack and a set of headphones in the other, hoping it create a resistance to have the phone switch the output to the headphone jack and it worked !!

so I used
- iriver fm transmitter
- the 2.5 mm to 3.5mm adapter that comes with the rokr
- a 3.5mm male to 2-3.5mm female plugs
- stereo headphones

add a little bit of wires, but it works

flipmod3
Antenna Booster Novice
Posts: 4

Phone Model:
Rokr E1

Service Provider:
Rogers
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Sat Jan 14, 2006 3:43 am 
wow seems like alot of tinkering for something that looks so simple. anyways glad to see y'all are experimenting ways around this problem. I got mine to work with the dell speakers and subs. I had one of those earphones that they sell on the airport with the 2 male jack. I connected one on the rokr and i put the two males from the speakers and the earphones using foil.. it worked but it was unstable. does anybody know the resistance rating for the rokr to recognize a device is plugged in? Then maybe we can get a transmitter with that same rating. does that seem logical??
peetah
Antenna Booster Novice
Posts: 7

Phone Model:
ROKR E1

Service Provider:
Rogers
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Sat Jan 14, 2006 3:43 pm 
I thought about that too, but I figured that all the transmitters would be the same, and I have not idea where you would find the value need to make the phone switch over to the headphone jack, I will look around though and see if I can find anything.
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