
Why do farmers choose the LDn Transponder?
With the Transponder infrared TAG-LDn your cows are better visualized.
- Quickly see which cow is in heat
- Monitor rumination activities - keep a close eye on your cow's health
- Quick and easy NFC connection to your database
- Full compatibility with H-TAG-LD and HR-TAG-LD SCR manufacturers
- Works with Sensehub, Dataflow, and Horizon (T4C)

Ready for your Barn
Readers/antennas:
- IDU510 / BU500 (E) antenna (SCR and Milkline)
- IDU530 / BU500 (E) / M530 antenna (Lely)
Full compatibility with market leaders:
- Lely
- SCR
- Allflex
- Milkline
Frequently asked questions
Do I need to change anything in my system?
Do I need to change anything in my system?
No, the LDn Transponder works directly with your current readers, antennas, and software.
When can I see the data?
When can I see the data?
The generated data is available after 7 days.
How long does it last?
How long does it last?
2-year warranty on the electronics. Note: no warranty on the case.
LDn Transponder
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| Specifications | ||
|---|---|---|
| Heat detection | ||
| Chewing activity | ||
| NFC chip | ||
| Read out during visit | ||
| Real-time readout | ||
| IDU210* | ||
| IDU420* | ||
| IDU430* | ||
| IDU510 | ||
| IDU530* | ||
| BU500(E)* | ||
| LDn Controller (Allflex) | ||
| Lely Horizon compatible | ||
| Sensehub compatible | ||
| Milkline data flow II | ||
| Heattime (Pro+) | ||
| Service Life - 10 years |
