Qualwave
Qualwave Inc. develops and manufactures microwave and millimetre-wave products from DC to 325 GHz. Active and passive components — waveguides, switches, filters, amplifiers and high-power terminations. bq-microwave is authorised distributor for Europe.
DC – 325 GHzActive & PassiveCustomWorldwide
All Qualwave Products
Available through bq-microwave in Europe.
Adapters
up to 110 GHz
Coaxial adapters in all connector combinations.
Amplifiers
up to 110 GHz
LNA, PA, PA systems and waveguide amplifiers.
Attenuators
up to 67 GHz
Fixed and variable attenuators.
Cable Assemblies
up to 110 GHz
High-quality cable assemblies to 110 GHz.
Circulators
up to 40 GHz
Coaxial, drop-in, surface mount and custom.
Connectors
up to 67 GHz
End-launch and panel-mount connectors.
Couplers
up to 67 GHz
Single, dual and hybrid couplers.
DC-Blocks
up to 67 GHz
Inner and outer connector DC-blocks.
Detectors
up to 75 GHz
Coaxial and waveguide detectors.
Filters
up to 170 GHz
Bandpass, lowpass, highpass, band reject and waveguide filters.
Isolators
up to 40 GHz
Coaxial, drop-in, surface mount and custom.
Phase Lock Oscillators
up to 40 GHz
PLO signal sources for stable reference frequencies.
Phase Shifters
up to 40 GHz
Analogue and digital phase shifters.
Power Dividers
up to 67 GHz
2-way and 4-way power dividers.
Switches
up to 40 GHz
Coaxial SPDT and SP4T switches.
Waveguide Components
up to 325 GHz
Bends, twists, dividers, loads, amplifiers and further waveguide components.
Key Strengths
What makes Qualwave Inc. a leading manufacturer for waveguides and microwave components — distributor in Europe: bq-microwave.
DC – 325 GHz Range
One of the broadest portfolios in the Chinese market — from coaxial components to waveguide assemblies up to 325 GHz, high-power terminations and switches to 110 GHz.
High Power Specialist
Waveguide terminations with up to 15 kW average power handling — specialist for transmitters, radar and SATCOM ground stations.
ISO 9001:2015 Certified
Quality management to international standard — proven designs with high reproducibility and delivery reliability.
In-House Test Capability to 67 GHz
Vector network analyser, signal sources, spectrum analysers and high/low-temperature test systems in own production and test environment.
Custom Designs
Tailored waveguide components, waveguide transitions and filters to customer specification — rapid iteration from design to production.
Active + Passive Components
Switches, bends, transitions, straight sections, filters, terminations, couplers, adapters, flexible waveguides — complete waveguide portfolio from one source.
Industries & Use Cases
Where Qualwave components reliably perform — from SATCOM ground stations to high-frequency research.
SATCOM Ground Stations
Waveguide components for X-, Ku-, Ka- and Q-band ground stations — switches for antenna routing and high-power terminations.
Radar Systems
Fixed and mobile radar platforms, weather radar, defence radar — waveguide filters, couplers and assemblies to 110 GHz.
mmWave Research
Universities and research institutions — waveguides to 220 GHz for sub-terahertz applications, antenna measurement and spectroscopy.
Test & Measurement
High-precision waveguide components for test setups, calibration stations and ATE systems to 110 GHz.
Transmitter Installations
High power terminations to 15 kW for high-power transmitters, antenna matching and redundant backup systems.
Defence & Aerospace
Robust waveguide components for airborne platforms, military communications and reconnaissance systems.
Submit Technical Inquiry
bq-microwave – your specialist for RF and millimeter-wave components in Europe since 2011.