Sell Other Supplies
How Much Is a Dexcom G6 Transmitter Worth?
G6 transmitters are the most nuanced item on this page, because we buy three different things that all get called "a transmitter" in conversation. The rates for each are in the tables above, and they are not close to one another — identifying which one you have is the difference between a good payout and a disappointing one.
As with every dated item, the months remaining before expiration set the tier. We buy only the windows currently listed above, and those move over time as inventory turns.
The Three Transmitter Listings, and Why They Differ
- Transmitter Kit — the full retail kit in its original packaging. This is the version that commands the strongest rate by a wide margin.
- Small Box — the reduced packaging version. Priced substantially lower than the kit, and worth checking before you assume otherwise.
- DME — supplied through a durable medical equipment provider rather than a retail pharmacy. Our position on DME transmitters moves with our stock levels, and there are periods when we're overstocked and not buying them at all. The table above reflects where we stand today.
If you're not certain which of the three you're holding, photograph the outside of the box and send it over before shipping. This is the item people most often misidentify.
The Lot Number Rule — Read This Before You Ship
Transmitter kits carry a condition the sensors don't. The transmitter must arrive inside its original packaging, with the Lot Numbers matching between the unit and the box it came in.
This trips people up more than anything else on this page. If you've kept your transmitters in one place and the boxes in another, they can't simply be paired back up at random — a mismatched Lot Number makes the kit unsellable, however pristine the hardware is. If you have loose transmitters and loose boxes, check the numbers against each other before you pack anything. Where they match, you have a sellable kit. Where they don't, tell us and we'll advise on what's still worth sending.
What We Can't Buy
- Transmitters with mismatched or missing Lot Numbers. The single most common rejection on this product.
- Units outside the original packaging. Bare transmitters with no box.
- Opened or unsealed boxes where the seal integrity can't be confirmed.
- Medicare or Medicaid supplies. Government-funded product cannot legally be resold.
- Dates outside the windows we're currently buying. Check the tables above against your box.
- Damaged packaging. Crushed, water-stained, torn labels, or written on.
Why People End Up With Spare Transmitters
Transmitters accumulate differently from sensors. Because they last across multiple sensor cycles, a prescription typically ships them on a slower cadence — and when someone moves from G6 to G7, or off Dexcom entirely, whatever was already in the pipeline arrives anyway. The result is a small number of high-value boxes sitting unused, often still sealed, often with the paperwork still in the bag.
Those are worth real money, and unlike hardware with no date on it, they don't hold that value indefinitely.
How to Sell Your G6 Transmitters
- Identify and photograph. Which of the three listings it matches, the expiration date, and confirmation that the Lot Numbers agree. A photo of the box label answers all three at once.
- Ship on our prepaid label. Free, no minimum. Pack the boxes so they don't crush — packaging condition is part of what you're paid for here.
- Get paid in one business day. Zelle often clears in minutes.
Dexcom G6 Transmitter FAQs
How much do you pay for a Dexcom G6 transmitter?
It depends entirely on which of the three versions you have and how much time is left on it. The current rate for each is in the tables above, and they differ considerably.
What does "matching Lot Numbers" mean?
The Lot Number printed on the transmitter must match the one on the box it arrives in. Mixing units and boxes from different lots makes them unsellable, even if everything is undamaged.
What's the difference between the Kit and the Small Box?
They're different packaging configurations of the same generation of transmitter, and they're valued very differently. The Kit is worth substantially more. Check the box before assuming which you have.
Do you buy DME transmitters?
It depends on our stock at the time. There are stretches where we're overstocked on the DME version and not purchasing it. The table above shows our current position — check it before shipping.
Can I sell a transmitter I already used?
No. We buy unused transmitters in original, sealed packaging only.
I have the transmitter but lost the box. Is it worth anything?
Unfortunately not. Without the original packaging and a matching Lot Number there's no way to verify or resell it.
How fast do you pay?
Within one business day of check-in.
Other Dexcom Supplies We Buy
Transmitters usually surface alongside other G6 stock. We also buy G6 sensors, G6 receivers, Dexcom G7 sensors, G7 15 Day sensors, and G7 receivers. Everything is listed on our Dexcom page, alongside every other category of diabetic supplies we buy. Send it all in one shipment.