AT Microwave

Shanghai AT Microwave Limited is a leading manufacturer of RF, microwave and millimetre-wave modules with over 20 years of experience. The portfolio covers coaxial and waveguide components from DC to 1700 GHz. bq-microwave is the authorised European distributor.
DC – 1700 GHzSATCOMDefence5G/6GResearchCustom Designs
All AT Microwave Products
DC to 1700 GHz — available on request through bq-microwave.
LNA & Power Amplifiers
Coax to 110 GHz · Waveguide to 450 GHz / WR-2.2
Low-noise amplifiers and power amplifiers — coaxial up to 110 GHz and waveguide up to 450 GHz.
Frequency Multipliers
Coax to 110 GHz · Waveguide to 400 GHz / WR-2.8
Active and passive multipliers for all bands — Q/U/V/E/W/F/H/Y-band waveguide.
Mixers & IQ Mixers
Coax to 67 GHz · Waveguide to 325 GHz / WR-3
Standard balanced mixers, IQ mixers and subharmonic mixers for defence and test equipment.
Switches
Coax to 70 GHz · Waveguide to 260 GHz / WR-4
Coaxial switches SPDT/SP4T with SMA and 2.92 mm as well as waveguide switches up to WR-4.
Filters
Coax to 67 GHz · Waveguide to 330 GHz / WR-3
Bandpass, lowpass, highpass and diplexers — coaxial up to 67 GHz and waveguide up to 330 GHz.
Attenuators
Coax to 110 GHz · Waveguide to 500 GHz / WR-2.2
Fixed and variable coaxial attenuators as well as waveguide attenuators (fixed, variable).
Couplers & Power Dividers
Coax to 67 GHz · Waveguide to 500 GHz / WR-2.2
2- and 4-way coaxial power dividers as well as single- and dual-directional couplers.
Oscillators
Coax to 44 GHz · Waveguide to 350 GHz / WR-2.8
PLO signal sources with low phase noise as well as VCOs for coaxial and waveguide.
Tx/Rx, Up/Down & Extenders
Waveguide to 500 GHz / WR-2.2
Complete Tx, Rx and transceiver modules up to WR-2.2, up/down converters and frequency extenders.
Faraday Isolators
Waveguide to 260 GHz / WR-4
Compact Faraday isolators Q/U/V/E/W/F/D/G/H-band — from 33 to 260 GHz.
Phase Shifters
Coax to 46 GHz
Analogue and digital phase shifters for beamforming and antenna testing.
Coaxial Adapters
Coax to 110 GHz
Precision in-series and between-series adapters in all connector combinations.
Waveguide-to-Coax Adapters
Waveguide to 170 GHz / WR-6
End-launch and right-angle waveguide-to-coax adapters including high-power and double-ridge.
DC Blocks
Coax to 110 GHz
Inner and outer conductor DC blocks up to 110 GHz.
Bias Tees
Coax to 110 GHz
Broadband bias tees DC to 110 GHz.
Detectors
Coax to 67 GHz · Waveguide to 325 GHz / WR-3
Coaxial, waveguide and video detectors for test equipment and receiver characterisation.
Waveguide Cables
Waveguide to 170 GHz / WR-6
Flexible and semi-rigid waveguide cables as well as coaxial semi-rigid and flexible cable assemblies.
Terminations & Limiters
Coax to 67 GHz · Waveguide to 500 GHz / WR-2.2
Coaxial and waveguide terminations as well as coaxial limiters.
Equalizers & Frequency Dividers
Equalizer to 70 GHz · Frequency Divider to 60 GHz
Coaxial equalizers and frequency dividers for measurement and communication systems.
Straight & Bends
Waveguide to 1700 GHz / WR-0.65
Straight waveguide sections, E- and H-plane bends, twists and taper transitions up to WR-0.65.
Horn Antennas
Waveguide to 750 GHz / WR-1.5
Standard-gain, high-gain, wide-band and sectoral horn antennas for antenna characterisation.
Orthomode Transducer
WR-15 to WR-4 (50 - 260 GHz)
OMTs for dual polarization in V/W/D/G/H-band.
Test Equipment
Waveguide to 500 GHz / WR-2.2
VNA extenders, spectrum-analyzer extenders, signal-generator extenders and up/down converters.
Key Strengths at a Glance
What makes Shanghai AT Microwave a leading Chinese manufacturer for RF, microwave and mmWave modules.
DC – 1700 GHz
One of the broadest portfolios worldwide — coaxial modules to 110 GHz, waveguide components to 1700 GHz including sub-terahertz range.
Over 20 Years of Experience
Established in Shanghai with experienced engineering team and proven track record in multi-million-dollar projects.
29 Product Categories
From LNA, PA and multipliers via mixers and filters to complete TxRx modules and test equipment — all from one source.
Custom Designs
Tailored solutions to customer requirements — rapid iteration from concept to volume delivery.
Competitive Pricing
High-quality components at attractive prices — ideal for R&D budgets and volume projects.
Complete TxRx Modules
Transmitter, receiver and transceiver modules as complete systems for rapid integration into your applications.
Industries & Use Cases
Where AT Microwave modules are reliably deployed.
SATCOM
Ground stations, mobile terminals and satellite-based communications in X-, Ku-, Ka- and Q/V-Band.
Defence & Radar
Radar front-ends, EW systems and military communications with stringent frequency coverage and reliability requirements.
5G / 6G Research
mmWave components for FR2 and 6G bands beyond 100 GHz — beamforming, testing and antenna measurements.
THz & Sub-mmWave
Waveguide LNAs, PAs and multipliers to 1700 GHz for spectroscopy, astronomy and high-frequency research.
Automotive Radar
Components for 77/79 GHz automotive radar and long-range sensing.
Test & Measurement
Test equipment and measurement modules for lab setups and ATE systems to sub-THz.
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bq-microwave – your specialist for RF and millimeter-wave components in Europe since 2011.
