Best hidden camera detector in 2022: hunt out bugs, trackers and spy cams
The best hidden camera detector is a useful purchase for anyone worried about their personal security. Because if there's a covert camera in your vicinity, it'll find it. Most will also pinpoint any nearby bugging device or GPS tracker too. So if you suspect you're being snooped on, or just want to make absolutely sure you're not, they'll put your mind at ease.
And let's be clear, there are lots of spy cameras out there in the wild. They’re getting smaller and smaller, and may be tiny enough to be hidden in places like smoke detectors and light bulbs. So you won't necessarily spot them with the naked eye, especially if they're installed in an unfamiliar AirBnB. Hidden camera detectors, though, can spot them quickly and effectively. So in this article, we've gathered together the best, to help you choose the right one for you.
Best hidden camera detector in 2022
1. K68
The best hidden camera detector overall
RF: Yes | Magnetic: Yes | Hidden Lens: Yes | Infra Red: Yes | Frequency Range: 1MHz - 8GHz (GSM, Wi-Fi, BT, UHF) | Power: 10h working | Signal Strength Display: circular 10-bar LED | Dimensions: 124 x 56 x 20mm | Weight: 160g
4-in-1 Device
Rechargeable battery
Sound or Vibration option
No directable wand
Lens sensor could be lost
Our pick for the best hidden camera detector overall is the K68. Be warned, though, that it's known by a number of names. The Sherry model is easier to find in the USA, while the KMDHKK edition is easily found in the UK.
This hidden camera detector benefits from a built-in infra-red detector, but the core function is the classing RF sweep. The simulated analog dial indicates the strength of the signal detected and the dial at the top allows you to turn down sensitivity as you hone in on a suspect.
The ‘AI’ feature (right function button) is a pulse-based approach which makes it easier to do the scans, but is still relying on the user's intelligence. Something appreciated by the hard of hearing – or when operating somewhere discretion is required – will be the vibrate option (instead of the piercing beep which, on this device, is only an option rather than something to tolerate). It’s also handy that the magnetic probe can be detached if it’s not needed.
2. Jepwco G4 Pro
The best small hidden camera detector
RF: Yes | Magnetic: No | Hidden Lens: Yes | Infra Red: No | Frequency Range: 1MHz - 6.5GHz (GSM, Wi-Fi, BT, UHF) | Power: 5h working (300mAh) rechargeable | Signal Strength Display: 5-bar LED (6th light is on/off) | Dimensions: 140 x 20 x 20mm | Weight: 30g
Discrete and compact
Easy to select Wi-Fi only
Well presented
RF & Laser Only
Looking for something small and easy to hide? This pen-sized bug-sweeper is as easy to use as it is discrete.
The G4 makes a few good design decisions that are apparent the second you get it out of the box. First, it's rechargeable, via a standard USB socket at the bottom (though Jepwco still supplies a charging cord) and there's a pinprick LED to indicate charging next to it.
The detection is via a kind of ‘bar chart’ of six white LEDs, which appear inspired by Apple MacBooks of the mid 2010s. Having only two buttons is very elegant, although it does mean you need to remember to do a long-press for on/off. Once on the lower button allows you to switch between Wi-Fi and full-band sensitivity, and the chosen mode is nicely displayed by a glowing word.
Similarly, the top button cycles sensitivity. The end also acts as a torch which may help spot hidden lenses. At 30g and in a nice box, this could make a good gift for someone who struggles to trust their environment.
3. Latnex SPA-6G Spectrum Analyzer
The best hidden camera detector for visual representation
RF: Yes | Magnetic: No | Hidden Lens: No | Infra Red: No | Frequency Range: 15MHz – 2.7GHz and 4.85GHz – 6.1 GHz (Wi-Fi) | Power: 1000mAh rechargeable | Signal Strength Display: 5-bar LED (6th light is on/off) | Dimensions: 110 x 70 x 25mm | Weight: 387g
View RF spectrum on display
Export RF chart to Mac or PC
Better suited to wi-fi than all bugs
Expensive
With two SMA connectors and three antennas, the unit has good coverage for most communication bands, including Bluetooth, LTE and GSM as well as Wi-Fi. But where it really scores over the cheaper options is by providing a genuine visual representation of the strength of individual frequencies.
Operating in max, hold and and averaging modes, the system is flexible, and firmware updates provided via the USB socket. The same connection allows export to view on-screen spectrums 3D (via the program Waterfall), offering more resolution and potentially interest to HAM radio enthusiasts.
That said, for a quick scan of a hotel room this might be too much on the RF, and too little when it comes to the more ‘low tech’ features, like a light to reflect from lenses, which you’ll need to get separately.
4. JMDHKK M8000
A bug detector and hidden camera detector in one
RF: Yes | Magnetic: Yes | Hidden Lens: Yes (separate, in pack) | Infra Red: No | Frequency Range: 1MHz - 6.5GHz (GSM, Wi-Fi, BT, UHF) | Power: 8-10h working USB cable supplied | Signal Strength Display: 10-bar LED | Dimensions: 125 x 52 x 22mm | Weight: 175g
RF & Magnetic
LED Lens Detector
Sensor adjustment dial
Non-standard USB charger
With a magnetic and a radio frequency detector in the same device, and supplied with a lens highlighter tool in the package, this is a useful kit which will help you whether you’re checking out meeting rooms, looking for GPS devices under cars, or sweeping a hotel room for a hidden camera.
With a user-facing sensitivity dial, it's easy to hone in on the source of a radio signal, starting to up the sensitivity as you get nearer. When you plug in the magnet sensor you need to remember to switch over to magnet mode then center the chart. But the diagrammatic design (and relentless beeper) makes remembering this easy enough.
There's a light on the end of a flexible probe, so looking under cars is easy and it's sensitive enough to spot a hard drive magnet. Some might have found having the hidden camera detector built in easier, but this way two people can work together for a quicker sweep.
5. SpyHawk Pro-10G
The best hidden camera detector for range
RF: Yes | Magnetic: No | Hidden Lens: No | Infra Red: No | Frequency Range (main antenna): 10MHz - 10GHz (Fixed-line, GSM, Wi-Fi, BT, UHF) | Power: 9v battery (supplied) | Signal Strength Display: 10-bar LED | Dimensions: 127 x 75 x 25mm | Weight: 397g
Built-in white noise generator
Includes phone-line adapter
Headphone socket
Would benefit from an analog sensitivity dial
The Pro-10G has a broad detection range, able to pick up low and high frequencies which means tracking down any suspect devices, even modern ones designed to operate above the 6GHz where some detectors max out.
When you think you’re getting near, you can use the ‘Homing’ switch to lower sensitivity. The white noise generation system can flood listening devices with a “ssssshhhhhhhh” sound, so as soon as you’ve identified a device you can disable it, rather than have the eavesdropper record your removal and know for sure.
The inclusion of a telephone line adaptor, along with the necessary sockets on the side of the detector, gives this machine a flexibility not available with competitors. Similarly, headphones give an option for operating without a screaming beeper, which isn’t to be sniffed at. Perhaps the 9V battery seems a little old-fashioned when so many newer designs are rechargeable, but this machine takes a more active approach to protecting privacy than others.
6. DefCon DD1206
The best hidden camera detector for foiling industrial espionage
RF: Yes | Magnetic: No | Hidden Lens: No | Infra Red: No | Frequency Range (main antenna): 50MHz - 12GHz (GSM, Wi-Fi, BT, UHF) | Power: 2xAAA batteries | Signal Strength Display: 16-bar LED | Dimensions: 121 x 70 x 19mm | Weight: 450g
Dual antennas makes signal type clear
Correlation detection feature
Sound, vibration or mixed alert modes
Expensive
In a market dominated by low-cost products, a professional can struggle to get something with the full feature range they need. This device will detect all GSM, GSM(DCS), WCDMA or DECT 3G, Bluetooth or Wi-Fi signals and the additional pointer antenna is up to four times as sensitive as competing products to these last two categories.
That means you can scan for analog (traditional VHF/UHF bugs) and digital ones at the same time with no worries of missing anything. As user, you can also choose to push up the sensitivity for either or both of the detection bands depending on your assignment, and with 16-segments the readout is more detailed than most.
There is also the chance of the correlation function producing feedback, where you’ve got an FM transmitter style bug. This device isn’t a cheap option, and may provide more than you need in the radio area while missing out magnetic fields, so you should decide whether it’ll make your operations faster.
7. JMDHKK K18 RF
The best cheap hidden camera detector
RF: Yes | Magnetic: Yes | Hidden Lens: No | Infra Red: Yes | Frequency Range (main antenna): 1MHz - 8GHz | Power: Built-in rechargeable battery | Signal Strength Display: 10-light indicator | Dimensions: 117 x 56 x 20mm | Weight: 150g
Affordable price
Detects bugs and cameras
Easy to use
Takes time to use
Want to spend as little as possible? Then this is the cheapest hidden camera detector we can recommend. This RF detector will help you find hidden cameras, bugs, GPS trackers and wireless listening devices.
Its 10-LED indicator shows you increased signal strength when it gets near the signal source, and alerts once you're very near. It's small, lightweight and good for taking on a journey. On the downside, this device is fairly basic, and it takes quite a while to do a full scan of a room. However at this low price, you can't really complain too much about that.
How do hidden camera detectors work?
There are two effective ways that hidden camera detectors work. The first is by looking for the glint of a secret camera's lens. That might sound like something you could do yourself, but a hidden camera detector does it more effectively, by sweeping using a lens with directional lights (this is often marketed as “laser detection”).
The other method is to seek out unexpected radio frequency (RF) signals emitted by the sharing of the data. This is also useful in spotting other live snooping tools, like GPS trackers.
A magnetometer (compass) such as that built into your phone could also play a part; interference from something near should throw it off and highlight a suspect area. Magnetic probes are included on some multifunction bug scanners, and can detect anything from the magnetism in a speaker to that holding a GPS device under a car (adjustable sensitivity is always a useful feature).
Finally the ability to look for Infra-Red (IR) lights can be handy given how many compact security cameras have night vision. These IR lights aren’t visible to the naked eye, but are a reasonable indicator that a camera is nearby.
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