| Share | Phrase |
|---|
| 32.78% | passive [functioning] transponder |
| 28.24% | fob transponder |
| 9.18% | active [motion] transponder |
| 8.88% | remote [location] transponder |
| 7.52% | key [importance] transponder |
| 4.43% | transponder unit |
| 2.78% | transponder [does] comprise |
| 2.50% | include transponder [perform operation] |
| 1.87% | have transponder [perform operation] |
| 1.76% | transponder system |