Inertial Sense Dual Compassing L1/L2 Multi-Band GPS + INS Dev Kit – RTK

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Harness the power of multi-band frequency GPS, inertial navigation, and onboard processing in a palm-sized package. The ideal development kit for single-use applications, or for testing a future onboard or mounted application of the sensors.

Providing Dual-Compassing capabilities that can run in tandem with RTK, this solution makes it easier to acquire heading in tough environments, like high vibration, and where high electromagnetic interference is present.

Attain a positional fix in under 30 seconds, and achieve better than 0.3º of heading accuracy, with tracking and testing straight out of the box.

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Dual compassing, multi-band L1/L2 frequency GPS and INS + RTK development kit for single-use and application testing.


  • Drone navigation
  • Mobile robots
  • Unmanned vehicle payloads
  • Stabilised platforms
  • Antenna and camera pointing
  • First responder and personnel tracking
  • Pedestrian and auto outdoor/indoor navigation
  • Health, fitness, and sport monitors
  • Hand-held devices
  • Maritime


  • 1 x – uINS (IMU, AHRS) GPS aided inertial navigation system module
  • 2 x– L1/L2 GPS
  • Real-Time Kinematic (RTK) supported – can be used as base or rover
  • 1 x– EVB-2 interface boards (USB, Micro-SD, RS232, RS485/RS422, GPS battery, WiFi/BLE)
    • On-board logger to microSD – no third-party computer required
    • Convenient Size
      • 45 x 61 x 11.2 mm
      • 500 grams
  • Pigtail connector set for interfacing
  • 1 x – miniature magnetic mount dual-element GPS/GLONASS antenna

uINS Specifications

  • Attitude (roll, pitch, yaw, quaternion, DCM), velocity, and position (LLA, NED) GPS UTC time synchronized
  • IMU with comprehensive calibration for bias, scale factor, and cross-axis alignment
  • Coning and sculling integrals (Δ theta, Δ velocity)
  • Dual onboard u-Blox L1 GPS receiver and barometric altimeter
  • -40°C to 85°C temperature compensation
  • Configurable binary and NMEA protocol output
  • Fast integration using SDK and demo example
  • Miniature surface mount package:
    • 15.6 x 12.5 x 6.3 mm
    • 2 grams
  • Data logging using SDK library or PC software

Supported GPS bands

  • GPS – L1C/A (1575.42 MHz), L2C (1227.60 MHz)
  • GLONAS – L1OF (1602 MHz + k*562.5 kHz), L2OF (1246 MHz + k*437.5 kHz)
  • Galileo – E1-B/C (1575.42 MHz), E5b (1207.140 MHz)
  • BeiDou – B2I (1207.140 MHz), B1I (1561.098 MHz)

Additional information

Weight0.5 kg
Dimensions4.5cm x 6.1cm x 1.12cm

Data sheet

Inertial Sense uIMU uAHRS uINS Datasheet [PDF]

Product comparisons

FeaturesµIMUµAHRSµINS Dual
Gyro & accelerometer (IMU) magnetometer & barometerYesYesYes
GNSS L1 receiverYesYesYes
Inertial velocity & positionYes
RTK centimetre-level PositioningYes*
Dual GNSS headingYes
External multi-frequency support (L1/L2)YesYesYes

* RTK positioning and static GPS heading cannot both run at the same time (one or the other)

FeaturesµINS ModuleRugged INSEVB2 INS-Dual
Gyro & accelerometer (INS) barometer, Mag and dual GPSYesYesYes
Dual GNSS receiver (onboard L1 GPS) RTK or GPS headingYesYesYes
1,000Hz update rateYesYesYes
Protocols (TTL, Serial, USB, SPI)TTL, Serial, USB, SPITTL, Serial, USB, Selectable: 485, 232, 422TTL, Serial, USB, SPI 485, 232, 422
Power managementYesYes
Housing (protective)AluminiumPlastic
On-board data loggerYes
On-board wi-fi/BluetoothYes


Finance and Shipping

Restrictions on customers

Please note that due to the high average transaction costs, we must adhere to Anti-money laundering legislation.  For new customers, this comes into effect when the transaction value is more than £8,800 (or equivalent in USD or EUR).

Please note that some products are restricted so we typically do a brief check on location and customer information before accepting self-service orders.

Online ordering (self service)

On orders up to £8,800 (or equivalent in USD or EUR), we offer online ordering with payment by all major credit cards. Payments can be made in GBP only.

Payment options for transactions over £8,800

Please contact us to complete our ‘Know Your Customer’ form for payments in advance (by BACS or Card) above this amount, or apply for a full ‘Credit Account’ for up to 30 days credit, on account.  Payments can be made in GBP, EUR or USD.


Shipping by default is by FedEx and typically takes from one to five working days worldwide.  All packages are fully insured from us to you. 

Our incoterms are DDP (for UK customers) and DAP (for international customers, including EU).  Other incoterms may be available on request in special circumstances.

Goods can also be collected from our logistics centre. 

Loan finance

Level Five Supplies is pleased to offer finance as a payment option, iur appointed partners can work with you to make equipment purchase more straightforward.

There are many reasons to consider using finance:

  1. Improves Cash Flow: When you finance your equipment, your cash isn’t tied up in the equipment. Instead, it’s free for other investments that will grow your business, produce income, and ensure the equipment you acquire earns profits over its lifetime.
  2. Preserves Other Lines of Credit: Tomorrow can bring many opportunities. Financing equipment means you’ll have the credit available (either from the bank or other sources) to take advantage of future opportunities.
  3. Hedges against inflation: Your monthly payment remains the same over the term of the lease or loan. Money paid later in the term usually have less purchasing power than those paid at the beginning of the term…so you pay for today’s equipment needs with tomorrow’s lower-value currency.
  4. Provides 100% financing: Even “soft costs” such as training, shipping, installation, and maintenance agreements can usually be included. So you can rest easy knowing that these associated costs won’t disrupt your cash flow.
  5. Simplifies equipment changes: Hiring additional workforce? Increasing efficiency? Additional equipment can easily be added to your existing loan or lease. Or, if you’re trying to stay ahead of the competition by staying ahead of technologies, the equity in your financed equipment can be applied toward the loan or lease of new equipment. These options solve the problems of obsolescence – and make your job easier.
  6. Eliminates hidden charges: You have no compensating balances, no closing costs, and no blanket liens or other restrictive covenants that banks use to increase customers’ cost. What you see is what you get.
  7. Offers excellent rates: Our finance partner rates are highly competitive.
  8. Saves on taxes: Depending on the type of finance agreement you select, as much as 100% of your payments may be tax deductible.
  9. Offers many payment programs: Our finance partners work for you, not us. You choose the type of loan or lease that best fits your needs, and you select the length of the loan or lease term.

The finance agreement is between you and the lender, and we don’t take commission or referral fees – but we’ve done the preparatory work of allocating a broker for the US, and another for Europe, explaining the technology, validating supplier products and explaining how the technology will be used so your application process is simplified and focused entirely on the financials.

The initial part of the process usually takes less than an hour and means that you can spread the cost of a higher value purchase of equipment like this over several months or even years, allowing you to better plan your project or department budgets, but also means you can get what you need over the coming years, not just what you can afford today.

Contact our Sales team to discuss your needs further.