APX-DN-801 Standard Non-Linear Node Detector

The APX-DN-801 is a standard non-linear node detector for locating hidden electronic devices and non-linear junctions in security screening. It transmits at 2.4 GHz and listens for the 2nd and 3rd harmonics returned by semiconductor junctions, finding concealed phones, recorders and other electronics even when they are switched off.

With a detection range of more than 6 metres and the ability to penetrate 370 mm brick walls, the APX-DN-801 lets a security team sweep a room, a vehicle or a wall cavity for hidden devices before a meeting or after a suspected breach. It meets the Class C requirements of the GA1236-2015 standard.

At under 1.52 kg with a replaceable lithium battery giving 4 hours per block at maximum power, the APX-DN-801 is a handheld tool for prisons, meeting rooms and secure facilities that need to find electronics that should not be there.

Key Features

1) Non-Linear Junction Detection

• Operating frequency band: 2.400 GHz; frequency range 2.4–2.5 GHz
• Receive 2nd–3rd harmonic range: 4.8–5 GHz, 7.2–7.5 GHz
• Receive sensitivity: ≤-140 dBm
• Pulse mode transmission power (maximum): 0–4 W (ERIP)

2) Long Detection Range

• Detection range: >6 metres
• Compliant with Class C products as specified in GA1236-2015 standard

3) Wall Penetration

• Penetration capability: penetrates 370 mm brick walls
• Compliant with Class C products as specified in GA1236-2015 standard

4) Multiple Alert Modes

• LED display indicates received harmonic signal strength
• Supports audio alerts, compatible with headphones
• Supports vibration alerts

5) Field-Ready Battery

• Battery type: replaceable lithium battery
• Battery life at maximum power consumption: 4 hours per block
• Operating voltage: 7.4 V

6) Compact & Lightweight

• Product dimensions: 750 × 114 × 108 mm
• Product weight: <1.52 kg
• Operating temperature: -30°C to 55°C

Technical Specifications

Detection & RF

• Operating frequency band: 2.400 GHz
• Frequency range: 2.4 GHz–2.5 GHz
• Receive 2nd–3rd harmonic range: 4.8 GHz–5 GHz, 7.2 GHz–7.5 GHz
• Pulse mode transmission power (maximum): 0–4 W (ERIP)
• Receive sensitivity: ≤-140 dBm
• Detection range: >6 metres, compliant with Class C products as specified in GA1236-2015 standard
• Penetration capability: penetrates 370 mm brick walls, compliant with Class C products as specified in GA1236-2015 standard

Power & Battery

• Operating voltage: 7.4 V
• Battery type: replaceable lithium battery
• Battery life at maximum power consumption: 4 hours per block

Alerts & Interface

• Interface: LED display indicates received harmonic signal strength
• Supports audio alerts, compatible with headphones
• Supports vibration alerts

Environmental & Mechanical

• Product dimensions: 750 × 114 × 108 mm (±5 mm)
• Outer packaging dimensions: 700 × 330 × 180 mm (±10 mm)
• Product weight: <1.52 kg (±0.05 kg)
• Operating temperature: -30°C to 55°C
• Operating humidity: ≤93%, non-condensing

Application Scenarios

1) Prisons & Detention Centres

For prisons and detention centres, the APX-DN-801 sweeps cells, visiting rooms and workshops for smuggled phones, recorders and other hidden electronics, including devices that are switched off, before they can be used.

2) Meeting Rooms & Confidential Areas

Before a confidential meeting, a security team sweeps the room, the furniture and the walls for concealed listening devices, so the discussion stays inside the room.

3) Security Screening & Sweeps

For security screening of offices, vehicles and hotel rooms, the detector finds non-linear junctions through walls and inside objects, giving a clear LED, audio or vibration indication of where a hidden device is.

4) Government & Corporate Facilities

For government buildings and corporate headquarters, the APX-DN-801 is a routine sweep tool for technical surveillance countermeasures, checking for unauthorised electronics in sensitive areas.