0ur opinion:

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The sleek Sportster4 includes SlRlUS Replay, advanced sports features, a large, easy-to-read display, rotary tuning knob and moves easily between your car, home or boombox with universal docking capability.

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Get in the game with the plug-and-play Sirius Sportster 4 satellite radio receiver, which sports a new slim profile while still maintaining the same great features for which the Sportster series is known. Just like other Sirius-compatible receivers, the Sportster 4 offers a large, easy-to-read display, a rotary tuning knob, and accessible buttons, but now moves seamlessly into your car, home, or boombox. More significantly, the Sportster 4 maximizes the listening experience of Sirius radio's broad sports lineup, with the ability to decode the incoming Sirius digital-quality signal from more than 120 music, news, and sports channels. lt's also easily transportable, and thanks to the bundled car kit, lets you listen to your favorite satellite radio programs while driving.

An easy-to-read, six-line display tells you the channel name and number, category, artist name, song title, and time simultaneously. The receiver also lets you program up to 30 presets of your favorite streams, as well as search by stream, artist name, song title, or category. And with a quick press of the 0ne-Touch Jump button, you can instantly switch between the traffic and weather reports for your city or any of the other music, news, or entertainment channels. 0ther programming details include an S-Seek function that stores your favorite artists and songs and alerts you when one is playing on any of the music channels, direct station tuning via the numeric buttons, and a channel lock option. Time functions, meanwhile, include an onscreen clock, alarm, and sleep timer, as well as a program alert that allows the unit to switch to a preprogrammed stream at a selected time.

The Sportster 4 really earns its stripes, however, with its variety of enhanced features designed specifically for sports lovers. The Game Alert feature prompts you when your favorite NFL or other sports teams are playing on Sirius. The Game Zone lists all of your favorite teams in one virtual category and lets you select a different team from each of the various sports leagues, including the NFL, NBA, NHL, and college sports. And what sports fan could do without the Sportster's instant replay function, which lets you pause, rewind, and replay 44 minutes of live radio? As soon as you tune to a channel, the receiver automatically begins storing the audio for later playback.

The Sportster 4 also includes a built-in FM transmitter that sends Sirius radio programming to your vehicle's FM tuner, so you don't have to make a direct connection to enjoy the full array of channels. Simply set an empty FM frequency on your radio and tune the Sportster 4 to the same frequency. This function also works with other FM tuners, such as the one on your home stereo, but is easily paired with the car thanks to the bundled vehicle kit, which includes everything you need for listening to Sirius while driving. Components include a vehicle docking station, a suction cup mount, a vent mount, a DC power supply that plugs into your car's cigarette lighter, a roof-mount antenna, and mounting hardware.

Sirius satellite radio is a subscription service that provides more than 120 channels of programming, from digital-quality music to news, talk, and sports. lt is available only in the lower 48 states--not in Alaska, Hawaii, or U.S. territories. The Sportster 4, which measures 4.5 by 2.9 by 0.6 inches (W x H x D), is backed by a one-year warranty.

What's in the Box
Sportster 4 satellite radio receiver, wireless remote control, lithium battery, vehicle docking station, roof-mount antenna, suction cup mount, vent mount, cigarette lighter power adapter, mounting hardware, installation guide, Sirius channel information card, user's manual.

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Buyer's feedback: - * Hit and Miss ...
Long story short - Nice radio and programming with horrible FM modulation. Don't buy this unless you're going to wire it directly to your car's antenna or radio.

I bought this device last October to listen to college football games during long road trips. It is my first introduction to satellite radio. I've got mixed feelings about the product.

First of all, the unit was fairly easy to get working. I plugged the power and satellite antenna, turned it on, and selected an open FM station in the unit's setup menu. It's pre-tuned to a test station (national weather). I got a clear signal from the satellite just leaving the antenna resting on the dashboard. I activated it online after a couple of tries (didn't have the unit powered up the first attempt).

However, the FM transmission from the unit to my car stereo was awful, borderline un-useable. Even after choosing a completely clear FM station, turning off the car, waving the unit around until I found a sweet-spot, waiting for the wind to die down, and crossing my fingers, there was always noticeable and very disruptive static interference. Based on what I've read, apparently the FM transmission strength for this unit way below previous models. I'm told the SP-TK2 model has a much stronger signal. I've not been able to determine whether or not that had anything to do with FCC regulations.

For my vehicle, I've overcame the FM transmitter shortcomings by connecting the unit directly to the Ai-net/Changer input on my Alpine radio and using the AUX function. This step eliminated all of the outside static interference and bypassed FM modulation completely. However, part of my attraction to this unit was the plug and play function. My friends and I have taken several road trips this year and I brought the Sirius unit with me. The cars we used did not have A/V inputs, so we had to make due with the lousy FM transmitter. We were able to fight through the static for the sports and talk radio stations, but music was un-listenable.

The unit itself is ok. It's easy to use and the screen has a lot of info. It keeps track of all the scores in sporting events, show and host for talk stations, and song/artist for music stations. It's awkward to mount though, because all of the wires plug into the back of the dock, not the bottom. You need clearance between the back of the unit and the mounting surface for these wires. My two options were to use an air conditioning vent clip or the windshield suction cup. I chose the vent because I didn't want the unit in the sunlight. At night, the unit is very bright. You can turn down the brightness of the screen, but the buttons are backlit with a piercing blue light that can't be adjusted. The rotary knob is especially bright. It looks like I have a big blue glow stick in my car at night.

The programming is pretty good. Sirius carries every NFL game, and nearly all the college football games, which is exactly what I was looking for. They also play a lot of the NBA and NHL games, but I've not paid much attention to them. They have three comedy stations, and several talk/news (including the BBC) radio and sports radio stations. On the other hand, all of their music stations do not meet my sound quality expectations. I have a decent aftermarket stereo, and the music stations sound worse than local FM. They're not terrible, but the difference between listening to a song on Sirius and on a CD is jarring. That said, they have a fair amount of genres represented. You'll hear songs on Sirius that you'll never hear on your local radio.

I've had limited customer service interaction, but it's been all bad. I chose the three month program to start off with. Sirius doesn't give you a very detailed invoice on the billing screen. It simply shows Subscription charge, Activation Fee, and Taxes. The Subscription charge on the invoice did not match what plan stated it should be, it was about $1 more. The Activation Fee was what I expected. However, Taxes came out to the 15% of the sum of Subscription plus Activation. There's not a state in the US that has a 15% sales tax rate. I called them to find out why it was so high. The lady on the phone had no idea what I was talking about. First she tried to explain why there was a charge for activation. It took quite a few minutes to get it across that my question was about the taxes, not the activation fee. Next, she tried to tell me that the tax rate was based on the Houston rate where she was located. The sales tax in Houston is 8.25%, not 15%. And besides, you are supposed to be taxed based on your local rates, not the location of the service center. After trying to get this point across (another 5 minutes) she went to speak to a manager. She came back and offered me a $15 dollar credit for the activation fee, without ever answering my question. I was tired of the conversation, so I took the credit and hung up. I'll try again to get an answer out of them when my three months are up.

All in all, the unit has sort of worked out for me. It works fine in my car, but travels poorly. I can listen to all the sports I want, but the music sound quality leaves much to be desired. It was easy to hook up, but looks silly just clipped onto my air-vent. If all of the short-comings I've described were addressed I'd be very happy with it.

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Buyer's feedback: - Hit and Miss
Long story short - Nice radio and programming with horrible FM modulation. Don't buy this unless you're going to wire it directly to your car's antenna or radio.

I bought this device last October to listen to college football games during long road trips. It is my first introduction to satellite radio. I've got mixed feelings about the product.

First of all, the unit was fairly easy to get working. I plugged the power and satellite antenna, turned it on, and selected an open FM station in the unit's setup menu. It's pre-tuned to a test station (national weather). I got a clear signal from the satellite just leaving the antenna resting on the dashboard. I activated it online after a couple of tries (didn't have the unit powered up the first attempt).

However, the FM transmission from the unit to my car stereo was awful, borderline un-useable. Even after choosing a completely clear FM station, turning off the car, waving the unit around until I found a sweet-spot, and crossing my fingers, there was always noticeable and very disruptive static interference. Based on what I've read, apparently the FM transmission strength for this unit way below previous models. I'm told the SP-TK2 model has a much stronger signal. I've not been able to determine whether or not that had anything to do with FCC regulations.

For my vehicle, I've overcame the FM transmitter shortcomings by connecting the unit directly to the Ai-net/Changer input on my Alpine radio and using the AUX function. This step eliminated all of the outside static interference and bypassed FM modulation completely. However, part of my attraction to this unit was the plug and play function. My friends and I have taken several road trips this year and I brought the Sirius unit with me. The cars we used did not have A/V inputs, so we had to make due with the lousy FM transmitter. We were able to fight through the static for the sports and talk radio stations, but music was un-listenable.

The unit itself is ok. It's easy to use and the screen has a lot of info. It keeps track of all the scores in sporting events, show and host for talk stations, and song/artist for music stations. It's awkward to mount though, because all of the wires plug into the back of the dock, not the bottom. You need clearance between the back of the unit and the mounting surface for these wires. My two options were to use an air conditioning vent clip or the windshield suction cup. I chose the vent because I didn't want the unit in the sunlight. At night, the unit is very bright. You can turn down the brightness of the screen, but the buttons are backlit with a piercing blue light that can't be adjusted. The rotary knob is especially bright. It looks like I have a big blue glow stick in my car at night.

The programming is pretty good. Sirius carries every NFL game, and nearly all the college football games, which is exactly what I was looking for. They also play a lot of the NBA and NHL games, but I've not paid much attention to them. They have three comedy stations, and several talk/news (including the BBC) radio and sports radio stations. On the other hand, all of their music stations do not meet my sound quality expectations. I have a decent aftermarket stereo, and the music stations sound worse than local FM. They're not terrible, but the difference between listening to a song on Sirius and on a CD is jarring. That said, they have a fair amount of genres represented. You'll hear songs on Sirius that you'll never hear on your local radio.

I've had limited customer service interaction, but it's been all bad. I chose the three month program to start off with. Sirius doesn't give you a very detailed invoice on the billing screen. It simply shows Subscription charge, Activation Fee, and Taxes. The Subscription charge on the invoice did not match what plan stated it should be, it was about $1 more. The Activation Fee was what I expected. However, Taxes came out to the 15% of the sum of Subscription plus Activation. There's not a state in the US that has a 15% sales tax rate. I called them to find out why it was so high. The lady on the phone had no idea what I was talking about. First she tried to explain why there was a charge for activation. It took quite a few minutes to get it across that my question was about the taxes, not the activation fee. Next, she tried to tell me that the tax rate was based on the Houston rate where she was located. The sales tax in Houston is 8.25%, not 15%. And besides, you are supposed to be taxed based on your local rates, not the location of the service center. After trying to get this point across (another 5 minutes) she went to speak to a manager. She came back and offered me a $15 dollar credit for the activation fee, without ever answering my question. I was tired of the conversation, so I took the credit and hung up. I'll try again to get an answer out of them when my three months are up.

All in all, the unit has sort of worked out for me. It works fine in my car, but travels poorly. I can listen to all the sports I want, but the music sound quality leaves much to be desired. It was easy to hook up, but looks silly just clipped onto my air-vent. If all of the short-comings I've described were addressed I'd be very happy with it.

**Update 12/19/2006**
Warning: The unit is dying on me less than three months after I purchased it. Sometime after around 10 minutes of use, the receiver will become locked into "acquiring signal" mode regardless of actual signal strength. Turning the unit off and then on again fixes it, sometimes. I've researched this issue online and apparently it's becoming a common problem. The recommended fix from Sirius is to either re-activate the receiver on-line or return it for a new unit. If I could, I'd knock another star off this review.

**Second Update** I eventually got SIRIUS to send me a replacement head-unit, free of charge. The second radio works just fine. However, I had to ship the original radio back to the manufacturer. A word of warning: if you ship something to Sirius, keep your tracking number. They tried to tell me that they never received my original radio and charged me for the second. I got on the phone and used the UPS website to tell them who in their warehouse signed for the package. The charge was later reversed.

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Buyer's feedback: - * Not Bad ...
Does what it says... Howard Stern comes in nice and clear now! :-)

I agree that the FM transmitter is a bit weak. Of course, using the FM transmitter has other problems as well since you need to keep finding channels that don't get any interference as you drive around. Solution? Do yourself a favor... if your car does not have an AUX IN port (obviously it does not if you are using the FM transmitter feature)... USE AN FM MODULATOR. I purchased a wired FM modulator, a GLI (ground loop interrupt) and the required cables (including some special antenna adaptor cables for a Subaru) for about $75. I spent about 3 hours installing it... an now I have a mini-jack connection to my radio... no more interference from any radio station... crystal clear connection... and the bonus is that I can plug my iPod into it as well!

Google up "scoshe FM modulator" and you will get the idea.

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Buyer's feedback: - THANK YOU CIRCUIT CITY
I HAVE HAD THIS RADIO INSTALLED IN MY CAR FOR A WEEK NOW WITH NO PROBLEMS. I OWN A 2007 CAMRY AND HAD THE TECH AT CIRCUIT CITY RUN THE WIRE TO THE MP3 AUX. PLUG-IN DEVICE THAT THE NEW CAMRY HAS. I HAVE HAD NO ISSUES AT ALL. I JUST PUSH THE AUX BUTTON ON THE RADIO TO GO TO SIRIUS, AND HIT FM IF I WANT TO SWITCH TO REGULAR RADIO BROADCASTS. USE YOUR RADIO IN YOUR CAR TO PICK UP FM CHANNELS, NOT THIS RADIO.

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Buyer's feedback: - * I was a proud owner...for 2 hours ...
First, let me say I would have given this product 0 stars if I could.

Going against my better judgment and the other Amazon reviews of this product, I decided to purchase the Sportster 4. The first warning I should have just returned it? A big orange card in the packaging indicating "The aux in port on this device does not function. Ignore references to it in the documentation." Note that I also purchased this product with the home kit so that I could use it in my office.

The whole point of subscribing to satellite radio for me was so that I could listen to it while working in my home office. Normal radio is too cluttered with commercials and they play the same songs over and over again. I had a positive experience with XM in my Chevy Impala. Being curious to hear an uncensored Stern led me to look into Sirius.

I followed the installation manual, pointed the antenna as instructed (west, with an unobstructed view of the sky). I verified the antenna direction with a compass and Google Earth. This radio just did not work. All I got was static and the preview channel was choppy. Checking the signal strength showed that I was only getting two bars. And, that was the best I got. It continuously fell back to "Acquiring Signal." So, I decided to try their tech support. As other reviews have noted, this was a dead end.

The first time I contacted customer service, the rep said "Um, I'm not that familiar with connecting this device without using the FM transmitter." BTW, the FM transmitter sucks on this product. I was told where I bought it "The FCC filed a suit against both XM and Sirius and the both reduced the signal strength of their FM transmitters." Um, OK. This radio had to be directly ON TOP of the receiver in order to work. When I asked why I couldn't activate my radio on-online (another story altogether) and get the offered $5 discount, her response was "On-line activation is always hit or miss. Just tell them you tried to activate it on-line and they'll give you the $5 credit." Sigh. She then connected me to tech support, who promptly disconnected my call after 2 - 3 minutes of being on hold.

The second time I called customer service, I was connected with their overseas call center. They took my information and put in the tech support hold queue. Guess what happened? I was disconnected after 2 - 3 minutes of being on hold and listening to clearer music than I was getting in my Sportster 4.

That was the last straw. It went back in the box and back to the store.

After returning it, I decided to try the Samsung Nexus and XM service. The difference was night and day. Flawless installation, crystal clear reception, instant on-line activation. And... I couldn't tell you what their customer service is like. Why? I didn't have to call them. Everything just worked. I should have just stuck with XM from the beginning. It would have saved an afternoon of frustration.

BTW, it's spelled "satellite" S-A-T-E-L-L-I-T-E. Not "satillite".