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QSTARZ BT-Q818X BT GPS Receiver

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  • QSTARZ BT-Q818X BT GPS Receiver

    Qstarz BT-Q818X Bluetooth GPS Receiver (66 ch MTKII, 42hrs, 5Hz Hardware Switch, Dual Interface USB/Bluetooth)

    66-Channel Performance tracking for fast acquisition and reacquisition Super high sensitivity -165dMb MTK II chipset Lower power consumption sup to 42hrs navigation time Less than 15 sec AGPS fix support Dual USB / Bluetooth 5Hz update rate, 3 level switch (5Hz-Nav-Off) for easy operation QZSS, DGPS(WAAS+EGNOS+MSAS) Support Auto On/Off function

    I decided to order this unit and havn't seen anything mentioned on MP3Car about it, but the price looks good and about the same as I paid for BU-353 4 years ago (that died last week)
    On this unit the 5Hz has a hardware switch, where-as on some MTK receivers you have to set it in software, which resets back to 1Hz when battery is drained, guess I'll have a new toy to play with next week.


    Spec:

    1. Chipset : MTK 2 GPS
    Module

    2. Channel : 66 Channel
    parallel satellite tracking

    3. Time to First Fix (TTFF) :
    < Average 1/33/35 sec.
    (Hot/Warm/Cold start);
    AGPS <15 sec

    4. Antenna : Built-in patch
    antenna with LNA

    5. Output Message :
    NMEA-0183 (V3.01) - GGA,
    GSA,GSV, RMC(default)

    6. Accuracy : < 3m CEP
    (Stand-Alone, S/A off); <
    2.5m CEP (DGPS)

    7. Sensitivity: -165dBm
    tracking

    8. Battery Life : Operating
    time 42 hours

    9. Dimension : 72.2 (L) X
    46.5 (W) X 20 (H) mm




    GPS ChipSet Comparison Table


    ChipSet Name
    MTK II
    MTK
    65 nm SiRF III
    90 nm SiRF III
    Number of Channels
    66
    51 or 32
    20
    20
    Sensitivity Rating
    (Negative lower is better)
    -165dBm
    -158dBm
    -159dBm
    -159dBm
    Power consumption
    (lower is better)
    very low
    low
    very low
    high
    TTFF (Time_To_First_Fix)
    very fast
    fast
    fast
    slow
    Editor's Choice
    * * * * *
    * * *
    * * * * *
    * * *
    Attached Files
    http://www.mp3car.com/members/tracke...ivic-2007.html for Car Pics!

    http://www.mp3car.com/vbulletin/lcd-...ease-read.html for Touchscreen timeout fix!

  • #2
    ok received the 818x gps, it's hella fast scrolling the 5 hz lol i see in demo program, ill install it later tonight to try it out, see if iguidance 3.0 chokes or not :P
    http://www.mp3car.com/members/tracke...ivic-2007.html for Car Pics!

    http://www.mp3car.com/vbulletin/lcd-...ease-read.html for Touchscreen timeout fix!

    Comment


    • #3
      good news about it, you dont have to use bluetooth, you can use USB as well, some other 5Hz receivers have usb just for charging only, no data! no more turning the unit on with a button unlike other 5Hz receivers either, it will run till battery is dead, and the pc bootup usb will turn it back on while charging...
      it has AGPS which takes about 10 seconds to update via their software, and the almanac data lasts up to 7 days! it sees alot of sats from inside center of home too...

      good thing is no waiting for BT to sync to start using gps if we use usb
      sees 9 sats in middle of home...
      http://www.mp3car.com/members/tracke...ivic-2007.html for Car Pics!

      http://www.mp3car.com/vbulletin/lcd-...ease-read.html for Touchscreen timeout fix!

      Comment


      • #4
        canmore GT-750 FL

        Canmore GT-750 FL is another good Bluetooth GPS Receiver

        Similar to bt-q818x but more friendly use.

        Comment


        • #5
          Qstarz BT-Q818X bedox

          This GPS receiver has wonderful sensitivity, tracking, battery life, sync times... Equivalent if not better to a SirfIII chipset, and in a very small and reliable package. Best buy

          I purchased the Qstarz BT-Q818x from Bedox Inc. http://www.bedoxinc.com/qsbtblgpsre6.html
          for $63USD w/ free shi
          pping. This price included a small carring case for your GPS receiver.

          Comment


          • #6
            @ Jasbulk: Stop spamming, Mate, you're doing the same on another carputer forum.
            F6 Tornado Project Log ; HP Blackbird Watercooled Server

            Beta Tester for Centrafuse and 3dConnexion (No business affiliation with either)

            Comment


            • #7
              carry case... lol, least no brokerage fees and canadian currentcy is about same, and besides i keep mine mounted on ceiling above window no wires seen so who cares
              http://www.mp3car.com/members/tracke...ivic-2007.html for Car Pics!

              http://www.mp3car.com/vbulletin/lcd-...ease-read.html for Touchscreen timeout fix!

              Comment


              • #8
                Originally posted by tracker64 View Post
                Qstarz BT-Q818X Bluetooth GPS Receiver (66 ch MTKII, 42hrs, 5Hz Hardware Switch, Dual Interface USB/Bluetooth)
                I got my BT-Q818X several weeks ago, too, and I love it. Things do change in the industry, but as of today (December 2009), if I had to buy another GPS for a PC, I would not hesitate to buy it again. It meets my needs. I love the long battery life. I love the fact that you can use it via USB or via Bluetooth.

                Originally posted by mrbean_phillip View Post
                @ Jasbulk: Stop spamming, Mate, you're doing the same on another carputer forum.
                You've that right. Here's my reply to him . And I've read other of his postings elsewhere, too.

                Comment


                • #9
                  I wanna ask if this works with a nokia 5800 nokia symbian s60v5

                  tell me bout fix time please and more personal advices/conclusions

                  thanks in advance best regards

                  Comment


                  • #10
                    fix time is a joke, i use the USB to keep it direct to pc so it always charges at same time, and when carpc is off the gps is in standby, no need to FIX and i get signal inside garages. Ive tried it on blackberry bold and its fast, off and on hits less than 15 secs sync plus it can handle multiple bluetooth connections and usb data at same time without crashing... and i aint complaining about the 100$ price tag as the BU-353 GPS was same price 3 years ago and the signal and sync sucked big time... on top of it, no more cursor jumps from gps sitting at intersections or going downtown, MTK chipset wins..
                    http://www.mp3car.com/members/tracke...ivic-2007.html for Car Pics!

                    http://www.mp3car.com/vbulletin/lcd-...ease-read.html for Touchscreen timeout fix!

                    Comment


                    • #11
                      The reason you see the impressive time to first fix is that the unit uses A-GPS (Assisted GPS).

                      __________________
                      Laptop GPS World

                      Comment


                      • #12
                        I have one of these as well...and I'm not sure what the deal is ( I think it's defective actually), but it has a REALLY hard time getting a satellite fix in my car. In the front windshield, it works ok, anywhere else results in no sats at all. Even in the garage, nothing. And when it runs dead and the pc comes back on, the 818x will turn charge enough to turn on and then shut back off when the battery is drained. Does this continually until it has a good charge...which makes it next to useless to just jump in enter a destination and drive.

                        So I ordered a Canmore 730f to tide me over until I get a replacement. Come to find out...if you download the software from Canmore themselves...you can not only set the serial port baudrate all the way up to 230k...but you can set the position update rate from 1-10hz. I thought it couldn't possibly be true...but at 10hz the nmea data going by is just a blur and setting the update rate to a slower speed shows a slower speed of nmea data scrolling. So apparently it does do faster rates than 1hz.
                        The other thing I noticed in Canmore's software looked like the option to update the firmware on the gps receiver. Haven't seen that on other ones.

                        I paid $25 w/free shipping. Bought a second one since it was cheap and worked good. Going to use it in my wife's setup.


                        Does your vehicle have tinted windows? Mine does...and what's strange is that it worked FLAWLESSLY when I lived in Missouri. I had a globaltop g33 bluetooth that sat on the back speaker deck and then this 818x and both worked like champs. We moved to Houston and a few short months after, neither one will pick up on the rear speaker deck anymore, but pick up fine on the dash under the windshield or outside the car. Bizarre.

                        Comment


                        • #13
                          it has a REALLY hard time getting a satellite fix in my car. In the front windshield, it works ok, anywhere else results in no sats at all.
                          The bad performance is likely due to the metallic content in your tinted windows. An external GPS unit, such as BU-353, or another GPS you could mount outside of your vehicle, would likely perform considerably better.

                          Are all of your windows tinted? Isn't there at least a small area somewhere without tint? Some times there is a small area with no tint behind the rear view mirror, but I'm not sure if you could mount your existing receiver there easily, or if it would perform well in that location.

                          Comment


                          • #14
                            Originally posted by Marvin Hlavac View Post
                            The bad performance is likely due to the metallic content in your tinted windows. An external GPS unit, such as BU-353, or another GPS you could mount outside of your vehicle, would likely perform considerably better.

                            Are all of your windows tinted? Isn't there at least a small area somewhere without tint? Some times there is a small area with no tint behind the rear view mirror, but I'm not sure if you could mount your existing receiver there easily, or if it would perform well in that location.
                            Actually...no, there is NO small places they're not tinted. The place that did the tinting for the dealer did a VERY good job of it. They removed the rear speaker deck and from top to bottom there is solid tint, no break or bubbles or lines of any sort. Same with the doors - they removed the panels and got the tint from top to bottom of the glass. Looks factory.

                            I've seen the bit about metallic content however what puzzles me is the fact that it worked for over a year up in Missouri. A few short months after moving to Houston is when it stopped working.

                            I'd say that other than the possible issue with window tints...the 818x is a very good unit (except that mine seems defective with the power issue)

                            Comment


                            • #15
                              it worked for over a year up in Missouri. A few short months after moving to Houston is when it stopped working.
                              Then I'd say it's not the tint. Try to exchange the unit, if still under warranty.

                              Comment

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