{
  "id": "rb-531b-infauna",
  "name": "RB-531B Infauna",
  "aliases": [],
  "domain": "land",
  "country": "RUS",
  "category": "8x8 amphibious electronic warfare system",
  "status": null,
  "fielded": 2011,
  "operators": [
    "RUS"
  ],
  "prolif_count": 1,
  "summary": "The RB-531B Infauna Russian 8x8 Amphibious Electronic Warfare System is a Russian 8×8 amphibious, vehicle‑mounted electronic warfare (EW) system based on a modified BTR‑80 chassis, designed primarily to detect and jam enemy communications and protect forces from radio‑controlled explosives and precision‑guided weapons.",
  "specs": [
    {
      "k": "",
      "label": "Configuration",
      "section": "system",
      "v": "8X8",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Chassis",
      "section": "mobility",
      "v": "BTR-80",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Arzamas Machine-Building Plant, Nizhniy Novgorod",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 3,
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Jamming range",
      "section": "system",
      "v": "20 × 2,020 MHz",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Output power",
      "section": "firecontrol",
      "v": "60 W",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hull Armor",
      "section": "protection",
      "v": "The front of the vehicle is resistant to 12.7 mm rounds from an M2 at a range of 200 m, while the sides of the vehicle are resistant to 7.62 mm AP rounds. The hull is not thought to exceed 10 mm in thickness, however the majority of the arm",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Applique Armor",
      "section": "protection",
      "v": "It is possible to fit additional armor to the front of the Infauna (RB-531B) 8x8 Amphibious Electronic Warfare System, which provides protection against 14.5 mm rounds and some resistance to blast damage. However, this would likely have a s",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Explosive reactive armor",
      "section": "protection",
      "v": "Available, Other armour kits have included ERA, thought to be added in the field by the crews in an effort to counter the effects of RPGs.",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "NBC Protection",
      "section": "protection",
      "v": "Yes, Collective",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Smoke Equipment",
      "section": "protection",
      "v": "6 × 81 mm smoke grenade launcher (2 × 3)",
      "src": [
        "weg-rb-531b-infauna"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "generic",
  "image": {
    "file": "rb-531b-infauna.jpg",
    "thumb": "rb-531b-infauna-thumb.jpg",
    "credit": "Игорь Руденко",
    "license": "CC BY 4.0",
    "url": "https://commons.wikimedia.org/wiki/File:JointPeacekeeperExercise2018-18.jpg",
    "title": "File:JointPeacekeeperExercise2018-18.jpg"
  },
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    },
    {
      "date": "2026-10-10",
      "change": "Added photo (CC BY 4.0)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/rb-531b-infauna.html",
  "sources": {
    "weg-rb-531b-infauna": {
      "title": "RB-531B Infauna Russian 8x8 Amphibious Electronic Warfare System",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/RB-531B_Infauna_Russian_8x8_Amphibious_Electronic_Warfare_System",
      "published": "2026-07-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}