{
  "id": "hj1",
  "name": "HJ1",
  "aliases": [],
  "domain": "land",
  "country": "CHN",
  "category": "Drone jamming system",
  "status": null,
  "fielded": 2025,
  "operators": [
    "CHN"
  ],
  "prolif_count": 1,
  "summary": "The HJ1 Chinese Drone Jamming System is a portable drone defense product featuring a man-machine effective portable design. It can effectively jam a drone’s graphic transmission, remote control, and navigation signals.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "LZ Tech",
      "src": [
        "weg-hj1"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Jamming range",
      "section": "system",
      "v": "Horizontal ±20°, Vertical ±10°",
      "src": [
        "weg-hj1"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Power consumption",
      "section": "firecontrol",
      "v": "≤500W (Full-band jamming)",
      "src": [
        "weg-hj1"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 0.38,
      "src": [
        "weg-hj1"
      ],
      "conf": "medium",
      "note": "Source value is in millimetres; converted to metres."
    },
    {
      "k": "width_m",
      "v": 0.292,
      "src": [
        "weg-hj1"
      ],
      "conf": "medium",
      "note": "Source value is in millimetres; converted to metres."
    },
    {
      "k": "height_m",
      "v": 0.179,
      "src": [
        "weg-hj1"
      ],
      "conf": "medium",
      "note": "Source value is in millimetres; converted to metres."
    },
    {
      "k": "combat_weight_t",
      "v": 0.01,
      "src": [
        "weg-hj1"
      ],
      "conf": "medium",
      "label": "Weight"
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "generic",
  "image": null,
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    },
    {
      "date": "2026-10-10",
      "change": "Quality pass: unit and field corrections to imported values"
    }
  ],
  "url": "https://www.defensepedia.com/systems/hj1.html",
  "sources": {
    "weg-hj1": {
      "title": "HJ1 Chinese Drone Jamming System",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/HJ1_Chinese_Drone_Jamming_System",
      "published": "2026-06-25",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}