Where RF Performance Is Non-Negotiable
Defence systems operate at the edge of what's possible. The components inside them can't afford to be anything less than exact. Alaris Kuhne engineers RF and microwave building blocks to specification — from sensitive front-end reception to stable, high-efficiency transmission — so the systems that depend on them perform when it matters most.
Ideal Defence Applications
Comms Jamming
Provides stable, high-power RF output to disrupt adversary communications across targeted frequency bands without affecting friendly systems.
Counter RCIED
Delivers reliable jamming signals across wide frequency ranges to defeat remote-controlled improvised explosive devices in contested environments.
Counter UAS
Supplies precise RF and microwave components for detecting, tracking, and neutralising unmanned aerial threats across multiple frequency bands simultaneously.
Electronic Countermeasures
Enables effective jamming, deception, and denial of adversary radar and communications systems with high-efficiency, wideband RF transmission.
Electronic Intelligence (ELINT)
Supports sensitive signal interception and analysis with low-noise front-end components engineered for maximum receiver sensitivity.
Flight Termination Systems
Provides the RF reliability required for range safety applications where command link integrity is mission critical.
Radar
Delivers the frequency stability, power efficiency, and signal integrity that modern radar systems demand across search, tracking, and fire control applications.
Naval Navigation
Supports maritime radar and navigation systems with robust, low-phase-noise components built for continuous operation in harsh environments.
Spectrum Monitoring
Enables wide-area RF surveillance and signal classification with highly sensitive receiver components across broad frequency coverage.
Threat Detection
Powers passive and active threat identification systems with precision front-end components optimised for low-latency signal processing.
Threat Simulators
Provides the signal fidelity required to accurately replicate real-world threat environments for training and system validation.
Featured products
KU PA BB 070270 - 80 B
Wideband Power Amplifier, 600 to 2700 MHz, 80 W
With the KU PA BB 070270 - 80 B Kuhne provides a broadband power amplifier in the frequency range from 600 MHz to 2700 MHz with an typical output power of 80 W and more than 2 octaves of bandwidth. The amplifier can be used for EMC-tests, laboratory measurements, electronic warefare and other applications. Several protection mechanism allow operation under challenging environments, the amplifier will protect itself against heat, VSWR and high RF levels.
- Frequency range
- 600..2700 MHz
- Output power
- min. 49 dBm
- Gain (small signal)
- min. 52 dB
- ON voltage
- +5 V DC
- Efficiency
- typ. 25 % @ 49 dBm (CW)
- Supply voltage
- +28 ... +32 V DC
- Current consumption
- max. 15A, typ. 13 A
- Dimensions (mm)
- 180 x 95 x 26
- Weight
- typ. 800 g
- Operating case temperature range
- -20 … +55°C
KU BDA 230250 - 25 A
Bi-Directional Amplifier, 2300 ... 2500 MHz, 37 dBm COFDM
The KU BDA 230250 is a 25 W bi-directional amplifier is designed to support various analog and digital modulation types and signal waveforms. The transmitter features LDMOS technology and delivers more than 20 W P1dB power. Switching between transmit and receive path is done automatically depending on the input power level. The receiver’s built-in LNA provides a very low noise figure and additional power gain, which enhances the sensitivity of your receiver.
- Frequency range
- 2300..2500 MHz
- Switching time RX/TX
- typ. 600 ns max. 1 us
- Output power P1dB
- typ. 44 dBm min. 43 dBm
- Input power for P1dB
- typ. 20 dBm
- Current consumption @ P1dB
- typ. 2.4 A
- TX gain (small signal)
- typ. 25 dB
- Flatness TX (small signal)
- typ. +/- 1.5 dB
- Input return loss (TX)
- typ. 15 dB
- Noise figure @ 18°C
- typ. 1.7 dB max. 2 dB
- Supply voltage
- +27 ... 30 V DC
- Operating case temperature range
- N-female 50 ohms
- Case
- milled aluminium
- Dimensions
- 81.8 x 63.6 x 22
- Weight
- typ. 250 g
KU SG 2.45 - 25 B
Microwave Power Generator 25 W
The KU SG 2.45 - 25 B is the improved successor of the KU SG 2.45 - 25 A. - Remote control - Frequency and output power configurable - Operational safety through numerous protection circuits and monitoring With the KU SG 2.45 - 25 B, Kuhne electronic offers an improved successor to the KU SG 2.45 - 25 B in the ISM frequency range around 2.45 GHz. Solutions for all industrial applications become clear, such as plasma generation, microwave heating, medical applications or surface and material treatment. The KU SG 2.45–25 B can be controlled via a serial interface (3.3 V level). Warnings and alarms are signaled through a LED on the signal generator. The RF output signal can be adjusted between 2400 … 2500 MHz in steps of up to 10 kHz; the output power is adjustable between 0 and 25 W in steps of 1 W. Protection against mismatch (adjustable) and overtemperature are integrated. Included supply: DC-supply connector
- Frequency range
- 2400 ... 2500 MHz
- Output power
- 0 ... 25 W
- Frequency accuracy
- +/- 3 ppm
- Power steps
- 0.1 Watt
- Frequency step size
- 100 kHz(10 kHz optional)
- Pulsewidth
- 25 ... 99990 µs
- Pulsperiod
- 26 ... 99999 µs
- Protection
- VSWR (Isolator), Over temperature, UV/OV/OC protection
- Protection functions
- VSWR (Isolator), Over Temperature, OVP, UVP, OCP
- Output / impedance
- N-female / 50 ohms
- Supply Voltage
- max. 3.5 A
- Operating case temp. range
- -20 ... +60°C
- Dimensions
- 147 x 111 x 25 mm
- Weight
- typ. 75g
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Plasma Processing
Stable Power for Advanced Plasma ProcessingBrowse by Type
Low Noise Amplifiers
High-power, low-distortion performance for critical comms.
Low Noise Block Down Converters
Precision RF energy for medical and industrial excellence.
Microwave Power Generators
Reliable satellite signal reception in the toughest environments.
Power Amplifiers
Extract clarity from the faintest RF signals.
