u-blox (SIX:UBXN), a global leader in wireless and positioning modules and chips, launched today the NEO-M8P GNSS receiver modules, which are compatible with both the GPS and GLONASS satellite-based navigation systems and deliver high performance down to centimeter-level accuracy.

Measuring merely 12.2 x 16 x 2.4 mm3, NEO-M8P is the smallest high precision GNSS RTK (real time kinematic) module available on the market. The u-blox rover (NEO-M8P-0) receives corrections from the u-blox base receiver (NEO-M8P-2) via a communication link that uses the RTCM (Radio Technical Commission for Maritime Services) protocol, enabling centimeter-level positioning accuracy. The RTK algorithms are pre-integrated into the module. As a result, the size and weight are significantly reduced, and power consumption is five times lower than existing solutions, thus cutting costs and improving usability dramatically. Customers can further reduce their R&D efforts, as they do not have to spend significant resources and time to develop an in-house host-based RTK solution.

RTK technologies have been used for some time in low-volume niche markets, such as surveying and construction. Due to high costs and complexity, this enhanced positioning technology has been inaccessible for most other uses. Emerging high volume markets, such as unmanned vehicles, require high precision performance that is energy-efficient and low in costs. Other application areas include agriculture and robotic guidance systems, such as robotic lawnmowers. The u-blox NEO-M8P answers these demands for a small-sized, highly cost-effective, and very precise RTK-based module solution.

Full release here 

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Comment by Hector Garcia de Marina on February 17, 2016 at 12:11am
Somebody could explain me why are they more expensive that a simple GPS module? I mean, what hardware (or software/algorithm) part makes this device 'so expensive'?
Comment by Darius Jack on February 17, 2016 at 8:04am


you buy top novelty in GNSS technology, highest accuracy compact RTK GPS unit,

offered to industry , to large and small aircraft, large drone and small or micro drone.

You can expect prices to fall to $100 by the end of 2016 since competition is high

and markets can be satured with novelty RTK GPS just within few months.

What comes next is L1 + L2 RTK GPS

and public global network of Ground Control Stations for on-line corrections.

Otherwise, operation of airborne RTK GPS is still complicated since access to Ground Control Stations is highly limited not to say closed to the public (hobbyists).

Comment by Jose Alberto Soler on February 17, 2016 at 8:39am

So, if I understand this right. This chip will do the same thing the M8T equipped Reach RTK does at the moment, the only difference being that the corrections are performed in the chip, no need for the external edison and RTKLib processing.

But I can't still buy a Ublox M8P because I need to wait for some manufacturer to put it in a nice circuit board with connections, etc.

But I am probably still better off waiting for these designs which will appear shortly than buying a Reach.

Am I right or is there anything I am missing here? The precission GNSS World is quite new to me

Comment by Darius Jack on February 17, 2016 at 9:04am

Ublox has contract with EC to equip every new EU manufactured, registered car with high precision GPS.

So I don't expect motor industry to get ready to pay $1,000 for  RTK GPS as early bird.

Manufacturers of smartphones can pay $100 or less for high-precision RTK GPS embedded into new smartphone models.

But demand for high precision all-in-one RTK GPS chip is almost unlimited (>1B pieces)

Comment by Emlid on February 17, 2016 at 11:27pm

Surely news about M8P are exciting as RTK is getting more and more accessible. But let's have a look at how it compares with Emlid Reach. 

First we need to note that NEO-M8P is just a chip, while Reach is a ready to use device. Reach has built-in Wi-Fi, Bluetooth, 4Gb of memory for storing logs, 9DOF IMU and USB OTG. It is already available and costs only $235. 

You can actually get just one device as they support NTRIP corrections.

NEO-M8P lacks support of Beidou, which is available in Reach and is highly beneficial when operating in Pacific region. RTK on Reach can run up to 14Hz, compared to 3Hz on M8P (5Hz in the future). 

All software, running on Emlid Reach is open-source and you can modify it for your needs. You can add support for new protocols and easily integrate with different equipment. 

Lot's of work went into making Reach easy to use, all settings can be controlled from any device using ReachView web-app. This is an example of main status and correction links settings.

We will definitely test how RTK algorithms developed by u-blox compare to RTKLIB used in Reach, but you will still need a device like Emlid Reach to unleash the potential of M8P. 

Comment by Darius Jack on February 18, 2016 at 3:59pm


we should be fair.

You can buy today 3G GPS enabled smartphone at $100.

You can buy a drone from JDI at $500.

So I find it really hard to find market demand for your 

Reach RTK KIT at $570 


What matters are live tests of RTK GPS.

I tests Ublox GPS on-line.

Could you just connect your Emlid Reach to web server to let us test RTK accuracy on-line, via webpage and 24h GPS plot ?

100M Ublox RTK GPS chips can go to motor industry under contract with EU EC.

I don't expect motor industry to follow your concept of RTK GPS kit (2 devices).

I can help to unlock NTRIP corrections as a public, open service to cut price of

RTK GPS by half.

Android or OS based Smartphone is a genuine computer.

If equipped with RT GPS, NTRIP service unlocked and corrections data broadcasted freely via Radio/TV data channel, you can sell MM of such smartphones to consumer market.

If you are interested I can work on unlocking NTRIP corrections and develop public network of geodesy grade GPS  ground stations, broadcasting NTRIP correction data.


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