AST Microwave
AST Microwave is a leading manufacturer of waveguide, coaxial and dual switches with over 30 years in the field. Founded in 1992, AST has delivered more than 30,000 units to over 100 countries. The patented quadrant-driver system ensures exceptional switching precision and long-term reliability.
DC – 50 GHzWaveguide SwitchesCoaxial SwitchesDefenceSATCOM
Complete AST Microwave Portfolio
Available through bq-microwave in Europe — rapid delivery and dedicated technical support.
Waveguide Switches
WR28 – WR975
SPDT and SP4T configurations across all standard waveguide bands. Tested to 500,000 switching cycles for continuous-duty applications.
Coaxial Switches
DC – 50 GHz
SPDT, SP4T and SP6T designs with SMA, 2.92 mm and N-type connectors. Ideal for test systems and redundancy routing.
Dual Switches
DC – 40 GHz
Simultaneous switching of two signal paths in a single compact housing — saves rack space and simplifies system integration.
Custom Switches
on request
Application-specific designs to customer specifications — frequency, power handling and flange type fully configurable.
Key Strengths
What makes AST Microwave from Kingston, Canada, a trusted specialist for waveguide switches and RF components.
Made in Canada
Complete production in Kingston, Ontario — own machine shop, short supply chains and close engineering control.
30+ Years Experience
Since 1992, focused on waveguide switches and RF components for telecommunications and SATCOM industries.
3‑Year Warranty
Three years on all products — a reflection of quality standards and field-proven durability.
Short Lead Times
In-house manufacturing enables fast turnaround and competitive delivery schedules — even for bespoke configurations.
Waveguide Specialist
Switches, bends, adapters, terminations and flexible sections — a comprehensive range for waveguide systems.
Field‑Proven Reliability
AST switches are known for longevity — many units remain operational after 17+ years of continuous service.
Markets & Use Cases
Where AST Microwave components deliver reliable performance in demanding environments.
SATCOM
Ground stations, VSAT terminals and satellite uplinks — the core market for over three decades.
Broadcasting
Waveguide switching and routing for professional TV and radio transmission facilities.
Telecom Backhaul
Microwave point-to-point links and backhaul networks operating from 6 to 40 GHz.
Military Radar
High-reliability components for ground-based, naval and airborne radar platforms.
Redundancy Routing
Automatic failover systems and hot-standby transmitter configurations for mission-critical installations.
Custom Solutions
Tailored waveguide assemblies to customer drawings with short iteration cycles and rapid prototyping.
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bq-microwave – your specialist for RF and millimeter-wave components in Europe since 2011.