| Model | Max. Range | Abilities | Notes |
| ESM | 500 | Surface Search, Air Search, Bearing Information, Classification | Passive RWR/ESM/SIGINT |
| MAD | 1 | Sub Search | Magnetic Anomaly Detector |
| Mushroom | 175 | Surface Search, Range Information, Bearing Information, IFF Information | Radar |
| Oka-2 | 3 | Sub Search, Range Information, Bearing Information | Active-only sonar |
| Tie Rod | 10 | Surface Search, Bearing Information, IFF Information, Classification | Visual/EO sensor |