{
 "slug": "biscuit-ultra",
 "name": "Biscuit Ultra",
 "maker": "Biscuit Shop",
 "category": "wifi",
 "categoryLabel": "Wi-Fi & Bluetooth",
 "status": "soldout",
 "statusLabel": "Sold out",
 "description": "A screen-free wireless survey device, controlled from your phone.",
 "goodFor": "Log wireless surveys from your phone.",
 "youNeed": "A compatible phone; location comes from its GPS.",
 "tradeoff": "Screen-free design; check phone compatibility.",
 "tags": [
  "Dual-band Wi-Fi",
  "Bluetooth",
  "Phone GPS",
  "microSD"
 ],
 "price": "US$160",
 "priceShort": "$160",
 "priceFrom": null,
 "checked": "2026-09-15",
 "url": "https://gadgets.sh/devices/biscuit-ultra/",
 "shortUrl": "https://gadgets.sh/biscuit-ultra",
 "markdown": "https://gadgets.sh/devices/biscuit-ultra.md",
 "image": "https://gadgets.sh/assets/biscuit-ultra.jpg",
 "cutout": "https://gadgets.sh/assets/cutouts/biscuit-ultra.webp",
 "shareCard": "https://gadgets.sh/og/biscuit-ultra.jpg",
 "shops": [
  {
   "merchant": "Biscuit Shop",
   "label": "Sold out at Biscuit Shop",
   "kind": "soldout",
   "orderable": false,
   "url": "https://biscuitshop.us/products/biscuit-ultra?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=biscuit-ultra&utm_content=api",
   "note": "Listed by the maker but not orderable when we last checked."
  }
 ],
 "specs": [
  {
   "group": "Compute & storage",
   "rows": [
    {
     "label": "Scanner",
     "value": "ESP32-C5-WROOM-1-N8R8",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Phone-link processor",
     "value": "ESP32-WROOM-32E-N8",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Storage",
     "value": "microSD slot and 8 MB SPI flash",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Internal link",
     "value": "UART, 115200 baud",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    }
   ]
  },
  {
   "group": "Wireless & software",
   "rows": [
    {
     "label": "Wi-Fi",
     "value": "2.4 and 5 GHz; Wi-Fi 6 / 802.11ax",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Antennas",
     "value": "Two external RP-SMA connectors",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Phone link",
     "value": "BLE GATT; phone GPS integration",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Scanning",
     "value": "Wi-Fi access points/stations, Bluetooth and supported device identifiers",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Capture",
     "value": "PCAP, PMKID and four-way handshake logging to microSD",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Testing features",
     "value": "Maker lists deauthentication, beacon and portal testing, plus attack-device detection",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Mapping",
     "value": "WiGLE API and WDG Wars integrations",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Expansion",
     "value": "External ESP32-C5 nodes with the maker’s node firmware",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    }
   ]
  },
  {
   "group": "Power & package",
   "rows": [
    {
     "label": "Battery",
     "value": "3200 mAh Rabbit Labs 18650 cell",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Monitoring",
     "value": "I²C battery gauge",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Status",
     "value": "Configurable RGB NeoPixel with stealth mode",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Enclosure",
     "value": "3D-printed ABS-GF",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Included",
     "value": "Device and two swiveling 2.4/5 GHz antennas",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    }
   ]
  },
  {
   "group": "Compatibility & support",
   "rows": [
    {
     "label": "Phone limitation",
     "value": "Maker explicitly warns of unstable BLE with Nothing 4a Pro",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    },
    {
     "label": "Warranty",
     "value": "Maker advertises 60-day warranty and seven-day return window; check current terms",
     "source": "https://biscuitshop.us/products/biscuit-ultra"
    }
   ]
  }
 ],
 "docs": [
  {
   "label": "Maker specifications and product details",
   "url": "https://biscuitshop.us/products/biscuit-ultra"
  }
 ],
 "blueprint": {
  "openness": "closed",
  "opennessLabel": "Closed design",
  "summary": "No schematics, PCB source, or BOM published; only a 3D-printable case model and a community wiki with no technical design files were found.",
  "files": [
   {
    "kind": "3d-model",
    "label": "Biscuit Pro/Ultra case (MakerWorld)",
    "url": "https://makerworld.com/en/models/2360992-biscuit-pro-case",
    "format": "STL"
   }
  ],
  "repos": [],
  "parts": [
   {
    "part": "ESP32-WROOM-32E-N8",
    "role": "BLE/phone-link + telemetry processor",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf"
   },
   {
    "part": "ESP32-C5-WROOM-1-N8R8",
    "role": "dual-band Wi-Fi 6 / injection radio",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-c5_wroom-1_datasheet_en.pdf"
   }
  ],
  "notes": "Fetched biscuitshop.us product page and the community wiki (codehedge.github.io/Biscuit-Wiki) — neither links a schematic, PCB source, GitHub hardware repo, or BOM. Only the case STL and a Discord/wiki for support were found.",
  "checked": "2026-09-27"
 },
 "sourceFiles": null,
 "firmware": [],
 "chips": [
  "esp32",
  "esp32-c5"
 ]
}