The JMDHKK K20 is a handheld privacy inspection device with RF signal, magnetic field, and camera lens detection functions. Its adjustable sensitivity, LED signal-strength indicator, audible alarm, and vibration alerts help users inspect spaces and equipment for suspicious signals or camera lenses.
The K20 includes a detachable RF antenna, an external GS magnetic probe, and an optical camera finder with six red LEDs. It has a rechargeable 3.7V, 1000mAh battery with a stated operating time of 5–8 hours. Detection results depend on the device being inspected and its operating state.
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JMDHKK K20 Detector Features
RF Signal Detection
Detects active radio-frequency transmissions, with signal strength shown on the LED indicator bar.
Magnetic Field Detection
The external GS magnetic probe supports inspection for magnetic fields around equipment and objects.
Optical Camera Lens Finder
Six red LEDs and an optical viewfinder help users inspect surfaces for camera lens reflections.
Adjustable Sensitivity
A rotary knob allows sensitivity adjustment during inspection.
Audible and Vibration Alerts
The detector provides audible and vibration alerts to indicate detected signals.
Rechargeable and Portable
The 150 g handheld unit has a rechargeable lithium-polymer battery and charges through a USB cable.
JMDHKK K20 Detector Specifications
- Brand: JMDHKK
- Model: K20
- Product Type: RF Bug and Hidden Camera Detector
- Color: Black
- Net Weight: 150 g / 0.15 kg (user manual)
- Packaged Weight: Not verified
- Dimensions: 117 × 56 × 20 mm
- Detection Functions: RF signal, magnetic field, and camera lens detection
- RF Detection: Detects active radio-frequency transmissions
- Magnetic Detection: External GS magnetic probe
- Camera Detection: Optical lens reflection finder
- Detection Dynamic Range: Greater than 73 dB
- Detection Sensitivity: Less than 0.03 mV (main band)
- Sensitivity Adjustment: Adjustable rotary knob
- RF Antenna: Detachable
- Camera Finder: 6 red LEDs with optical viewfinder
- Alert Modes: Audible alarm and vibration
- Signal Indicators: LED signal-strength bar
- Battery Type: Rechargeable lithium-polymer
- Battery Voltage: 3.7V
- Battery Capacity: 1000mAh
- Charging Time: Approximately 2.5 hours
- Operating Time: 5–8 hours
- Operating Current: 60–110mA
- Housing Material: ABS plastic
- Charging Method: USB cable
- Package Contents: K20 detector, RF antenna, GS probe, USB charging cable, and user manual
Applications of JMDHKK K20 Hidden Camera, RF Bug & GPS Tracker Detector
- Privacy inspections in offices
- Checks of hotel rooms and short-term accommodation
- Inspection of meeting and conference rooms
- Visual and signal checks inside vehicles
- Personal privacy checks in changing rooms and other private spaces
- Inspection of equipment and workspaces for suspicious active RF transmissions
Buy JMDHKK K20 Detector in Kenya
Buy the JMDHKK K20 Hidden Camera, RF Bug & GPS Tracker Detector from Rapidtech Networks Limited at the best price in Kenya. This handheld privacy inspection device combines RF signal, magnetic field, and camera lens detection functions for checking compatible spaces and equipment.
We offer fast countrywide delivery to Nairobi, Mombasa, Kisumu, Nakuru, Eldoret, Thika, Kiambu, Machakos, Nyeri, Meru, Embu, Kakamega, Kisii, Kitale, Naivasha, Kericho, Bungoma, Garissa, Malindi and other towns throughout Kenya.
Our team can assist with product information and guidance on the detector’s functions and use.

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