Protect exam integrity with Ranger™

Ranger is a portable wireless detection system designed for examinations and other controlled environments.

Combining cellular, Wi Fi and Bluetooth detection, it helps organisations screen for unauthorised devices before entry, monitor wireless activity during examinations and investigate detections when further action is required.

Comms-Tek Ranger in hand
Comms-Tek Ranger with antenna

For device-free environments

Ranger is designed for examinations and other controlled environments where connected devices are not permitted.

Using cellular, Wi Fi and Bluetooth detection, Ranger helps identify smartphones, smartwatches, earbuds and other connected devices. It combines screening, monitoring and investigation capabilities in a single portable device, helping organisations maintain device-free environments and protect exam integrity.

  • Suitable for:
  • Examination and assessment venues
  • Education and training environments
  • Controlled entry points
  • Secure facilities and restricted areas

Designed around the examination process

1

Screen

Screen candidates for smartphones, smart devices and Bluetooth devices before entry to help prevent unauthorised devices from entering the examination environment.

2

Monitor

Monitor the examination area for cellular, Wi Fi and Bluetooth activity during examinations and other controlled activities.

3

Investigate

Carry out targeted follow-up checks to identify and locate the source of detected wireless activity.

Detect devices that aren't actively being used

Ranger helps identify smartphones, smartwatches, earbuds and other wireless devices, including devices that are idle and switched off smartphones with offline location features enabled.

Key features

Built for operational use

Frequency

Cellular, Wi-Fi and Bluetooth detection

Simultaneously detects activity across cellular, Wi Fi and Bluetooth technologies, helping identify a wide range of connected devices.

Dual Signal

Dual-range detection

Long-range cellular detection supports room and area monitoring, while close-range Wi Fi and Bluetooth detection assists with candidate screening, device location and investigations.

Controls

Flexible deployment

User-configurable presets allow operators to switch quickly between screening, monitoring and investigation modes.

The Result

Multiple alert methods

Visual, audible and vibration alerts notify operators immediately when wireless activity is detected.

Detect Devices

Directional antenna support

Supplied with omnidirectional and directional antennas, allowing operators to switch between wide-area monitoring and focused detection for screening and investigations.

Logging

Event logging

Automatic and manual event logging records the date, time, signal type, signal strength and frequency of detections.

Want to find out more?

Whether you’re introducing routine phone checks or strengthening existing security procedures, our team can help you identify the right solution for your environment.

Man on phone in professional setting
Comms-Tek Ranger front on

Key capabilities at a glance

  • Simultaneous cellular, Wi-Fi and Bluetooth detection
  • Detects 2G, 3G, 4G and 5G cellular activity
  • Frequency coverage from 600 MHz to 6 GHz
  • Updatable country-specific frequency profiles
  • Long-range cellular monitoring
  • Close-range Wi-Fi and Bluetooth screening
  • Detects devices that are not actively being used
  • Detects smartphones with offline location features enabled
  • User-configurable operating presets
  • Audible, visual and vibration alerts
  • Automatic and manual event logging
  • Omnidirectional and directional antenna options
  • Up to 8 hours battery operation

Applications

Where the Ranger is used

Entry screening

Screen individuals before they enter examination venues, classrooms and other controlled environments, helping reinforce device-free policies from the outset.

Examination monitoring

Maintain awareness throughout examinations and assessments, with immediate alerts when wireless activity is detected.

Compliance monitoring

Support organisations that need to maintain controlled environments where mobile phones and connected devices are restricted.

Follow-up investigations

Investigate detections and carry out targeted follow-up checks using close-range detection and directional antenna options.

The right device for the job

Is Ranger the right device?

Not every environment has the same operational requirements.

The Ranger is designed for screening, monitoring and investigating wireless activity in controlled environments.
If your requirements differ, another Comms-Tek solution may be more suitable.

Routine handheld phone detection

Locate hidden mobile devices

Detect Wi-Fi networks and connected devices

Scout

Hunter

WiFeye

Ranger Gallery