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Old 10-31-2006, 04:22 PM   #1
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Default XM Signal Repeater with Stiletto

Does anyone know if its possible to use the XM Signal Repeater with the Stiletto. I get virtually no reception in my apartment. Thanks
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Old 10-31-2006, 04:24 PM   #2
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That would nice, but it will not work.
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Old 10-31-2006, 04:29 PM   #3
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Actually, results are mixed. I've actually gotten the Delphi XM repeater to work with various Sirius tuners, including the Stiletto. The only way I've gotten this to work is by plugging an XM home or car antenna into the repeater unit instead of a Sirius antenna. I instantly lose 1 bar of signal strength by using the Delphi repeater with the Stiletto (or any other Sirius tuner), but as long as I get the XM antenna in a good location outside, I can get a pretty consistent 2 bars of strength when using the repeater.

Please note that others have tried this, and it has not been as successful for everybody. The best I can tell you is if you'd like to try this, but the equipment from a store with a liberal return policy (such as BB or CC) in case the setup doesn't work for you.
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Old 10-31-2006, 04:31 PM   #4
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Quote:
Originally Posted by wallyj
Does anyone know if its possible to use the XM Signal Repeater with the Stiletto. I get virtually no reception in my apartment. Thanks
i am not going to get banned for my statement
i am not going to get banned for my statement
i am not going to get banned for my statement
i am not going to get banned for my statement

to save myslef from getting in trouble and from making you feel bad...

the answer is a plain and simple no.

maybe someone can work on that
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Old 10-31-2006, 05:28 PM   #5
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Will sirius ever make a unit similar to the XM repeater? Man I would pay big bucks for something like that
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Old 10-31-2006, 05:43 PM   #6
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I have tried everything and I've never been able to get the XM Personal Repeater to work with ANY SIRIUS tuner.
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Old 11-01-2006, 08:38 AM   #7
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Quote:
Originally Posted by wallyj
Does anyone know if its possible to use the XM Signal Repeater with the Stiletto. I get virtually no reception in my apartment. Thanks
It will work...most likely. I use a Sirius 50' Terk antenna cable extender with no problems and it has an active signal amplifier. Heck...I use it with my Sirius antenna from my old Sirius days and I get 100% signal with no drop outs or fade outs. What people do not understand is they are in the same frequency range as they have to share the same frequency 'slot' awarded by the FCC. As a radio broadcast engineer I have a little better understanding of frequencies and how things work than the average user (not a knock on anyone). It can work but I have never tried it. There is no reason it should not based on how the two signals are processed and the fact that these are linear repeaters that will pass anything regardless of modulation through the 'repeater'. It would not hurt to give it a shot.

Sirius has repeaters but they are for use in retail outlets and from what I have heard are provided by Sirius to those stores for display units. You can pick-up used or refurbished XM repeaters on eBay for 1/2 the price of new...give or take. I think they are only $100 new on the Internet.

I cannot say for sure it will work but there is no reason to think otherwise based on the frequency they operate and the linear fashion of the repeater.

Good luck and keep me posted.

Darren
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Old 11-01-2006, 09:18 AM   #8
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Darren,

What exactly are you using with the Terk Antenna ? Are you using this with a stiletto ?

Rich



Quote:
Originally Posted by ddt_jmt
It will work...most likely. I use a Sirius 50' Terk antenna cable extender with no problems and it has an active signal amplifier. Heck...I use it with my Sirius antenna from my old Sirius days and I get 100% signal with no drop outs or fade outs. What people do not understand is they are in the same frequency range as they have to share the same frequency 'slot' awarded by the FCC. As a radio broadcast engineer I have a little better understanding of frequencies and how things work than the average user (not a knock on anyone). It can work but I have never tried it. There is no reason it should not based on how the two signals are processed and the fact that these are linear repeaters that will pass anything regardless of modulation through the 'repeater'. It would not hurt to give it a shot.

Sirius has repeaters but they are for use in retail outlets and from what I have heard are provided by Sirius to those stores for display units. You can pick-up used or refurbished XM repeaters on eBay for 1/2 the price of new...give or take. I think they are only $100 new on the Internet.

I cannot say for sure it will work but there is no reason to think otherwise based on the frequency they operate and the linear fashion of the repeater.

Good luck and keep me posted.

Darren
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Old 11-01-2006, 10:13 AM   #9
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Quote:
Originally Posted by ddt_jmt
It will work...most likely.
I cannot say for sure it will work but there is no reason to think otherwise based on the frequency they operate and the linear fashion of the repeater.
Don't waste your money... there are several of us on this forum that have tried it and it simply doesn't work. Seahawks got it to work, but doing exactly what he does I cannot get it to work. I know at least 4 or 5 other people that have not been able to get it to work, including some big time XM guru's. I can't explain Seahawks results, but I don't want anyone to be mislead to think this thing will work, when clearly many of us that have tried have done so without success!
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Old 11-01-2006, 10:17 AM   #10
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Quote:
Originally Posted by seahawks80
I've actually gotten the Delphi XM repeater to work with various Sirius tuners, including the Stiletto.
How did you plug the receiving antenna into the Stiletto? Or did you use a dock? Since the repeater converts the signal to 900Mhz, I wouldn't think the internal Stiletto antenna would be able to pick up the repeater signal...
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Old 11-01-2006, 10:21 AM   #11
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Originally Posted by de
How did you plug the receiving antenna into the Stiletto? Or did you use a dock? Since the repeater converts the signal to 900Mhz, I wouldn't think the internal Stiletto antenna would be able to pick up the repeater signal...
Yes he would have had to use a dock as there is no type adapter or converter to plug it in directly.
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Old 11-01-2006, 01:25 PM   #12
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Quote:
Originally Posted by DAB
Yes he would have had to use a dock as there is no type adapter or converter to plug it in directly.
Yep, I plug the repeater's receiving antenna into the back of the Stiletto home dock.

As DAB mentioned, I might be the only success story of getting this to work. I still can't explain why
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Old 11-01-2006, 02:24 PM   #13
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Quote:
Originally Posted by n2ry
Darren,

What exactly are you using with the Terk Antenna ? Are you using this with a stiletto ?

Rich
I use the Sirius antenna from my old Audiovox receiver from about 3 years ago with my XM Inno. The received signal is only slightly down from that of XM so the antenna does a fine job of 'upping' the signal through amplification. The 50' Terk extender and Sirius antenna are designed for the Sirius end of the spectrum but work fine with XM as they are only down a couple dB when comparing actual signal strength. The same is true with the repeater. You cannot expect a device that shifts the repeated frequency (to reduce overall cots and complexity of design) to work with an antenna that is more than 2 harmonics off from the received signal. You must plug in the 900 MHz antenna to the dock or radio you want to use. That only makes sense, right? You cannot plug a 220VAC EU device into a 110VAC American outlet, right? Why would you expect a 2.3GHz signal that is repeater via 900MHz to be received by a 2.3GHz antenna built into the radio? the signal must be converted back to its original frequency in order for the radio to recognize the signal and play it back...this is only my understanding as I have no detailed knowledge of how the signal is converted beyond the 900MHz aspect. The repeater is linear in the sense it will pass the signal it receives regardless of modulation scheme or compression/security. Otherwise why would a Sirius antenna work with XM radios and the opposite?

Darren
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Old 11-01-2006, 02:46 PM   #14
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OK - I was mis-reading it. I thought you had constrcuted a simple wireless HOME repeater using the TERK, and some other antenna inside.
Your actually just using the 900mhz XM Home repeater.
Im still trying to figure a clean way of making a home based repeater for personal use. basically re-transmit inside the house the sat signal.
Theres one other thread that this discusiion is ongoing.

thanks






Quote:
Originally Posted by ddt_jmt
I use the Sirius antenna from my old Audiovox receiver from about 3 years ago with my XM Inno. The received signal is only slightly down from that of XM so the antenna does a fine job of 'upping' the signal through amplification. The 50' Terk extender and Sirius antenna are designed for the Sirius end of the spectrum but work fine with XM as they are only down a couple dB when comparing actual signal strength. The same is true with the repeater. You cannot expect a device that shifts the repeated frequency (to reduce overall cots and complexity of design) to work with an antenna that is more than 2 harmonics off from the received signal. You must plug in the 900 MHz antenna to the dock or radio you want to use. That only makes sense, right? You cannot plug a 220VAC EU device into a 110VAC American outlet, right? Why would you expect a 2.3GHz signal that is repeater via 900MHz to be received by a 2.3GHz antenna built into the radio? the signal must be converted back to its original frequency in order for the radio to recognize the signal and play it back...this is only my understanding as I have no detailed knowledge of how the signal is converted beyond the 900MHz aspect. The repeater is linear in the sense it will pass the signal it receives regardless of modulation scheme or compression/security. Otherwise why would a Sirius antenna work with XM radios and the opposite?

Darren
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Old 11-01-2006, 04:09 PM   #15
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Quote:
Originally Posted by n2ry
OK - I was mis-reading it. I thought you had constrcuted a simple wireless HOME repeater using the TERK, and some other antenna inside.
Your actually just using the 900mhz XM Home repeater.
Im still trying to figure a clean way of making a home based repeater for personal use. basically re-transmit inside the house the sat signal.
Theres one other thread that this discussion is ongoing.

thanks
Are you a ham? I am...your screen name would indicate you are unless you randomly pulled a letter, a number followed by two letters from thin air. I am not using the XM repeater for Sirius...just the in-line active antenna amplifier that is included with the 50' Terk extension. It has a built-in active amplifier to compensate for the extremely long run of very bad cable (lots of dB down from good cable...i.e. much LARGER cable like 9913 or something). I use the Sirius extender cable (50') with a Sirius antenna for my XM Inno. It works 'all good'.

One could extrapolate that the XM repeater would work in very much the same way but for the up-conversion from 900MHz to 2.3GHz (if indeed that is what they do). I wouldn't figure there would be a problem with the XM repeater on Sirius unless XM strips some of the data stream or cuts it off by truncating the signal. Who knows...in all honesty it should work but your mileage can and will vary.

You will not be able to effectively repeat the signal at its respective frequency because multiplexing the signal to retransmit it is not practical if possible. Multiplexing is not the correct term exactly but think of it this way...it would be VERY hard to take an entire stream and re-transmit it on the SAME frequency without running into complex problems that will not be dealt with on a $100 XM (or Sirius) repeater. You would need to eliminate the interference from the received signal while not effecting the transmit signal as they would create a loop back problem similar to having two recording devices near a playback source that you are recording...it squeals and make terrible sounds. The same would be true when trying to repeat a signal AT the same signal (frequency). It will not work unless you can separate the TX and RX antennas which is how Sirius and XM do it...I think.

Then there is the FCC to deal with. the reason XM is sent to the unit at 900MHz is a regulatory issue (I was told). 2.3GHz is a licensed commercial band and even at part 15 limits it could bring chaos someone in your neighborhood who also has a Sirius home kit. Big issues that the FCC would rather not mess with. And then there is the financial aspect. Not many people would be willing to pay $200+ for a 2.3GHz repeater.

Darren
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