Helgatchi

Handheld BLE + WiFi Hunter

What is it?

A portable, hand-held BLE beacon and WiFi AP scanner/hunter, with built-in alerting, 1.69” full-color screen, and external SMA-RP antenna all powered by the XIAO ESP32-S3.

The Helgatchi will passively scan for BLE devices and WiFi SSIDs/APs, and alert when specific Manufacturers, naming schemes, or services are discovered.

It can be configured to alert anything you want, such as:

• ALPR/Surveilance equipment
• Tactical equipment
• Cameras
• Hidden cameras
• Fitness wearables
• Audio/Video devices

You can create rules based on the following fields

🐑	MAC address	OUI (explicit)	OUI organization	MFG (explicit)	MFG organization	802.11 SIG	Device name	SSID
WiFi	✅	✅	✅	❌	❌	✅	❌	✅
BLE	✅	✅	✅	✅	✅	❌	✅	❌

Key Features

• Enclosed, portable, battery powered handheld rechargeable BLE and WiFi scanner and hunter that can live in your pocket.
• Passively scans for beacons in the background in-between sleeping - maximizing battery life. You can configure
• Powered by the XIAO ESP32-S3
• 6 RGB LEDs
• 1.69" rounded screen
• Vibration motor for alerts
• You can change
  • Color scheme
  • Alert settings
    • Vibrate
    • LEDs
    • Screen Wake
  • Scan settings
    • Sleep duration
    • Scan duration
  • Rules for alerts
    • MAC address (BLE, WiFi)
    • Manufacturer (BLE, WiFi OUI)
    • Device name (BLE name, WiFi SSID)
    • Service (BLE)

Specifications

Spec	Info
MCU	XIAO ESP32-S3
Flash	8MB
Battery	400mAh - 1200mAh 3.7v LiPo
Screen	Waveshare 1.69” LCD - 240p × 280p
Antenna	XIAO -> u.FL > back PCB > SMA-RP > 2.4Ghz antenna
Size	Width: 50mm Length: 80mm