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Qstarz launch the 5Hz BT-Q1000eX GPS Lap Timer with vibration sensor
Posté le 26 janvier 2010 à 17:25:00 par gpspassion. EN - Sport
Source : Gpspassion

Updated January 26th, 2010
The Bluetooth GPS market is not what it used to be although with the presence of built-in modules in smartphones, but Qstarz (website) are regularly coming out with systems that up the ante. Their latest model, the BT-Q1000eX Lap Timer comes with impressive features, bluetooth, data logger, 5Hz, vibration sensor.

Based on the MTK v2 (MTK 3329) chipset it is capable of logging at 5Hz (5 positions per second) and that makes a significant difference in terms of accuracy as seen in this article. Unlike previous versions there is a switch to choose 1Hz or 5Hz on the fly. It also has a vibration sensor to turn itself on and off when needed. A test unit is on its way to the "GpsPasSion Labs" so stay tuned for more, in the meantime you can use the Qstarz Q1000eX - 5Hz, BT, Logger, Sensor topic in the "GPS Dataloggers and Geocoding" to discuss.

Updated February 13th, 2009 - Qstarz (website), well known for their solid range of GPS dataloggers based on the MTK v1 and MTK v2 chipsets, have just released Qsports, a sports management software suite. Qsports is designed to...

... interface directly with the Qstarz range of dataloggers to easily produce statistics and graphs and workout plans. It is priced reasonably at $30, but it faces competition from free software like SportTracks so it will have to prove itself by being easier to use and powerful. More details in the Qsports sports management software topic of the "GPS Dataloggers and Geocoding" forums.

As seen in the picture on the left, they have also released the BT-Q1300S datalogger, a special Qsports edition of the Qstarz Nano that comes with an armband and a velcro to secure it.

Updated December 10th, 2008 - Qstarz have just launched the Q1000X Bluetooth GPS datalogger based on the new MTK v2 (MTK 3329) GPS chipset rated at -165dBm and previously used on the Qstarz Nano BT-Q1300 Bluetooth datalogger. While the Q1000X uses the solid design that we discovered in 2006 on the iBlue 737 and made popular on the Q1000 and Q1000P, it is the first GPS datalogger, with its cousin the iBlue 747A+, to offer AGPS assistance...

... for faster GPS acquisition. It is of the Internet AGPS variety with a file good for seven days being downloaded over the internet and then uploaded to the device. This should be especially useful for a datalogger that tends to get placed in difficult areas like backpack pockets. A test unit of the Qstarz Q1000X has already made it to the "GpsPasSion Labs" and been subjected to some first test runs, so stay tuned for some comments. In the meantime you can use the Qstarz BT-Q1000X wit MTK v2 and AGPS topic to discuss.

Updated October 6th, 2008 - The Qstarz BT-Q1300 made it to the "GpsPasSion Labs" in September and I was able to perform many comparisons in various environments, driving, pedestrian in town, suburban train, to get a good feel for its performance as it has been somewhat variable. The good news is that TTFF (Time to First Fix) is on par with receivers with a larger antenna, likely thanks to the new MTK v2 chipset...

... rated at -148dBm for acquisition vs the usual -143/-145dBm. The "less good news" is that as expected the accuracy is somewhat lower than on the Qstarz 1000P and even more so compared to the SiRFstarIII Globalsat BT-335 when used on foot in dense urban areas. You can read all about it in this review on the portal.

Updated June 27th, 2008 - Ever since the SiRFstarIII chipset set the bar for high sensitivity GPS receivers in early 2005, the competition had only been able to equal its -159dBM sensitivity, but the new MTK vII (MTK 3329) chipset is rated at -165dBm. While 6dBm may not seem a lot, it actually computes to an x4 boost in sensitivity! Hard to imagine what that translates to in the field, but we should soon find out since it powers the...

... new Qstarz Nano GPS receivers.

The Nano BT-Q890 is a standard Bluetooth GPS receiver while the BT-Q1300 adds a 200,000 point datalogger. Ultra sensitive and ultra compact with their 38x62x7mm and 21 grams with a battery life that remains decent at 12 hours in spite of the size constraints. They should make it to the "GpsPasSion Labs" in July, in the meantime you can use this topic of the News forums to discuss.

Updated May 21st, 2008 - Skytraq (website), a newcomer to the GPS chipset scene in 2007, have just announced their new Venus634LP GPS receiver that they bill as the "the world's highest integration single-chip GPS receiver". Certainly seems compact enough at 10x10x1.2mm and they are aiming for the mobile phone and PND market where small antennas are the norm, placing extra "pressure" on the GPS chipset. So far, SkyTraq chipsets have been used on a few Bluetooth GPS receivers, quite effectively too as can be seen in the SkyTraq GPS receivers topic in...

... the "General Technical Discussions" forums.

Updated November 12th, 2007 - More than two years have gone by since our reference article on GPS Chipsets used in consumer devices was published in April 2005. Last year's edition got cancelled due to the lack of new chipsets, but there have been three notable additions over the past year, the MTK chipset used on many Bluetooth GPS receivers and loggers and on the new Garmin eTrex H series of handheld systems, the NemeriX NX3 available on a couple of Bluetooth GPS receivers so far and the Skytraq Venus 5 with AGPS chipset used on a few Bluetooth GPS receivers...

... Meet these three high-sensitivity chipsets in this article and related topics.

Posted June 11th, 2007 - Updating this "GPS Chipset" thread with a review of the new NJ2020/Nx3 by Nemerix that have been in the news recently with an announcement that their chipsets would be used in new innovative WondeProud GPS systems and that they were partnering with Bosch Sensortec on a sensor solution to increase vertical accuracy...


The 42 channel NJ2020/Nx3 chipset is a follow-up to the 16 channel NJ-1030 chipset used on many Bluetooth receivers since 2004. Some Nx3 receivers are now appearing, so it was time for some GpsPaSion "side by side" testing to compare its performance with SiRFstarIII or MTK based receivers in real life conditions.

Head over to the full article in the "General Technical Discussions" section of the forums for tracks, pictures, signal analysis tables, TTFF and Battery life testing.

Posted September 26th, 2004 - Thanks to Altden2002 for passing on the news of the announcement of the S4E19863 Chip that marks Epson's return of sorts on the forefront of the GPS scene. Back in 2001, Epson released the S4E39850 a CF TypeII GPS that was quite popular in Asia but never made it in the US or in Europe leaving SiRF dominate the market...


The S4E19863 Chip that boasts some impressive satellite acquisition speed and low power usage, is aimed at mobile handsets, not unlike the SiRFstarIII family of chips. It will be interesting to see how this competition plays out in the coming months, with other GPS Chip designers like uNAV and Xemics.

You can head over to this thread to discuss.

Lu : 18234 | Suite de l'article... ( mots)

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