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Partner product

The Sensos GDP label

A cellular smart label the size of a credit card that reports temperature, humidity, shock, light and whether the parcel has been opened — in real time, from sixty-five countries, with the calibration certificate attached to the shipment record.

Supplied and supported in the UK by Butopia. Priced per shipment — it depends on volume and lane, so we would rather quote you than guess in public. Fifteen minutes, no slides, or email hello@butopia.co.uk if you would rather just ask.

The argument

A logger tells you afterwards. This one tells the room.

The traditional cold chain arrangement is a single-use logger in the box and a PDF at the other end. It is cheap, it is well understood, and it has one structural problem: every decision it informs is made after the shipment has already happened.

A cellular label changes the order of events. Data leaves the parcel while it is in transit — up to every ten minutes in normal operation, and immediately on an exception such as a shock, an excursion or the parcel being opened. By the time the box reaches the receiving site, everyone who needed to know already knows.

Three things that make it a label rather than a tracker

  • It goes on the outside. 107 × 72 mm and 24 grams, applied to a flat surface like any other label. Nothing goes inside the packaging, so nothing has to be removed before the product is handled.
  • Nobody has to get it back. It is disposable. There is no reverse logistics process, no chasing a customer for a device, and no device sitting in a drawer at the far end quietly costing you money.
  • It flies without a declaration. The battery is a safe, non-rechargeable chemistry which Sensos states requires no dangerous goods declaration for air freight — which is the first question a forwarder asks and the reason a lot of otherwise good devices never get used.
Compliance

The part that matters in an audit

Good Distribution Practice does not care how clever the sensor is. It cares whether the reading is traceable, whether the record is intact, and whether you can produce both without a fortnight's notice.

Calibration

Traceable, and attached

The cold chain variant carries a NIST-traceable calibration certificate to ISO 17025, and the certificate is downloadable from the shipment card in the Sync platform rather than filed somewhere else. Temperature accuracy ±0.5 °C, humidity ±2 % RH.

Data integrity

Validated as a system

Sensos states that it has validated the label as a whole — hardware, firmware, APIs and cloud services — against EU GDP guidelines, GAMP 5 and ALCOA+ data integrity principles, and supplies a validation pack covering calibration certificates, integrity logs and the compliance documentation.

Audit readiness

Documentation on demand

The point of the pack is that the evidence exists before anyone asks for it. Open the shipment, go to properties, download the certificate. That is the whole procedure, and it is the difference between an inspection finding and a conversation.

What is still yours

Qualification of your process

A validated device does not validate your use of it. Placement, thresholds, alarm handling, deviation management and the SOP that governs all of it remain your responsibility — and are the part we help with, because it is where these projects usually stall.

Technical

Specification

As published by Sensos. Where something looks like it might change — airline approvals, the country list — we have linked to their live page rather than printing a number that will quietly stop being true.

Physical

Dimensions
107 mm × 72 mm (4.21 in × 2.83 in)
Weight
24 g average
Ingress protection
IP64
Battery
Non-rechargeable, no dangerous goods declaration required for air freight
Shelf life
Up to 3 years
Operating life
Up to 2 years
Application
Flat surfaces only — avoid bends and curves on the parcel

Environmental

Operating temperature
−30 °C to 60 °C (storage 0 °C to 40 °C)
Temperature accuracy
±0.5 °C
Humidity range
0 % to 95 % RH
Humidity accuracy
±2 % RH
Calibration
ISO 17025, NIST-traceable certificate (cold chain variant)

Sensing and reporting

Sensors
Location and geofencing, temperature, humidity, shock, dwell and movement, parcel open/close, light, flight detection
Normal reporting
Up to every 10 minutes
Exception reporting
Immediate, triggered by movement, shock, temperature excursion or parcel open
Location method
Cellular positioning, Wi-Fi positioning, GPS

Connectivity and approvals

Radio
LTE-M / NB-IoT
Coverage
65+ countries — see the Sensos knowledge hub for the current carrier list
Device certifications
FCC, CE, RED, CP65, GCF/PTCRB ready
Battery certifications
UN 38.3, IEC 60086-4, RoHS, REACH
Air freight
Flight-safe, approved by tier-one cargo airlines — approval status is maintained live by Sensos, ask us to check before you book a lane

Platform

Control tower
Sensos Sync — shipment lifecycle, alert centre, reporting, bulk upload
Integration
API-first: shipment and label management available over API
Documentation
GDP documents downloadable from the shipment card
Whose claims these are. The Sensos Label is designed and manufactured by Sensos Inc. The specifications above are quoted from their published technical documentation as at 27 August 2026, and the description of GDP validation is theirs rather than ours. The authoritative and current version is at learn.sensos.io/technical-specifications and learn.sensos.io/gdp. Butopia is a Sensos partner: we supply, configure and support the product in the UK.
Fit

Who it is for, and who it is not

We would rather lose the order than sell you the wrong thing and spend the next year explaining it.

A good fit

This is probably your device

  • Pharmaceutical or biological product moving under GDP
  • Shipments where an excursion has to be defended in writing
  • Air freight, where a lithium cell is a problem and reverse logistics is worse
  • Parcels and small cartons rather than full pallets and reefers
  • Lanes where somebody would genuinely act on a mid-transit alert
A poor fit

Look at something else

  • Dry ice or cryogenic shipments — below −30 °C you want Tive with a probe
  • Routine domestic parcels where arrival is the only question — Track My Label costs a fraction of it
  • High-volume, low-value distribution where the record is for the file rather than a decision — a logger is the right tool
  • Static storage monitoring — that is a fixed system and a mapping study, not a shipment label
Questions

FAQ

What does it cost?

It is priced per shipment and depends on volume, lane and configuration, so any number we published here would be wrong for most people reading it. Tell us roughly how many shipments a year and where they go, and you will get a real figure the same week.

For context on where it sits: it is materially more than a single-use logger and materially more than a £25 Track My Label cellular label. It is not in that market. It is in the market where an excursion costs you a batch.

Is it really the only GDP-compliant smart label?

That is Sensos' claim — they describe it as the world's first and only GDP-compliant cellular smart label — and we have no reason to doubt it, but it is their claim and we are repeating it rather than verifying it. What we can say is that we have not found another cellular label of this form factor offering a comparable validation pack.

If you are writing this into a specification, ask us for the validation pack and judge it on the documents rather than the adjective.

Does it replace my qualification work?

No. It removes a large amount of it — you are not qualifying the sensor, the calibration chain or the data integrity of the platform, because Sensos has done that and will give you the evidence. What remains is your process: where the label goes, what the thresholds are, who responds, and how a deviation is handled. We help with that, and it is generally the shorter half of the job.

What happens to the label after delivery?

It is disposable and stays with the parcel. There is no return process to manage, which for most pharmaceutical shippers is one of the main practical reasons to move away from reusable devices — hygiene, contamination control and the simple fact that devices never come back reliably.

Can we get the data into our own systems?

Yes. Sensos is API-first, and shipment and label management are both available over the API, so the data can go into a TMS, an ERP or a quality system rather than living only in Sync. If you have a specific integration in mind, tell us early — it changes how the account is set up.

Can I see one before I commit?

Yes, and you should. The sensible first step is a small number of labels on a lane you already understand, so you can see what normal looks like before you rely on the alerts. Book fifteen minutes and we will set it up.

Tell us what you ship and where.

Volume, lane, and what you would have to prove if it went wrong. You will get a straight answer about whether this is the right label — including if it is not.