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A British Surveillance Equipment Manufacturer

K9 Electronics designs and builds encrypted covert listening devices in the United Kingdom — not a reseller of imported hardware, but a genuine RF and firmware engineering house with control of the product from component to concealment.

2015
Established
UK
Design & Build
AES-128
Encrypted Audio
FHSS
Frequency Hopping
Who We Are

Engineering-led, agency-focused

K9 Electronics Ltd is a UK electronics design and manufacturing company based at Northampton Science Park. Our covert audio division designs encrypted listening devices and audio surveillance systems for law enforcement, government agencies and licensed professional users — equipment held to a far higher operational-security standard than the commodity bugging devices sold on the open market.

Unlike the rebranded import hardware common in this sector, our systems are engineered in-house. The RF front end, the firmware, the encryption and the frequency-hopping link are all our own work, built around the S2-LP digital radio platform. That control is what lets us offer genuine component- and firmware-level repairability and bespoke concealment work, rather than fixed sealed units.

Designed for operational security

Every product decision starts from the same premise: the device must survive a competent counter-surveillance sweep. AES-128 encryption protects the audio even if a transmission is intercepted, frequency hopping denies an adversary a fixed carrier to lock onto, and low-detectability transmit modes keep the on-air footprint to seconds. For environments where any RF signature is unacceptable, our non-RF carrier-current devices move audio over building wiring instead.

Part of a wider capability

The covert audio range sits alongside K9's broader electronic-warfare and counter-surveillance engineering — including the AWJ agile-waveform jamming platform — giving agency customers a single UK source for complementary surveillance and counter-surveillance capability.

Automated PCB assembly at K9 Electronics' UK facility: a NeoDen pick-and-place machine populating a circuit board with surface-mount components.
Automated PCB assembly
Hand assembly and rework at K9 Electronics' UK facility: an engineer hand-soldering a circuit board under a magnifier lamp with a JBC soldering station.
Hand assembly & rework
RF test and measurement at K9 Electronics' UK facility: a spectrum analyser trace and a Rohde & Schwarz SMU200A vector signal generator.
RF test & measurement
View the Range
Lawful Supply

K9 Electronics supplies covert audio equipment only to qualified professional and agency customers, for use under lawful authority, and in compliance with UK export controls. We do not sell to the general public.