|Dow-Key Microwave is the world's largest manufacturer of electro-mechanical
RF switches. We are AS9100/ISO-9001 certified and committed to
providing unparalleled customer service, competitive pricing, on-time
delivery and products that are distinguished by quality and reliability.
|Dow-Key offers the largest switch product line in the world with over
10,000 unique configurations.
Our Products Include:
Coaxial Switches - SPDT,
DPDT, Transfer, Manual,
Fiber Optics Matrices - N x M
State Switch Matrices
Programmable Attenuators -
Up to 127 dB,
30 - 3000 MHz
Programmable Delay Lines -
10 ps Step
Space Qualified Switches -
2/3 Switch, SPDT,
Waveguide Switches - SPDT, DPDT, X-fer
| For our latest specials, please check our
Excess Inventory &
Out the Door in 24
|Kete Microwave Electronics Co., Ltd. specializes in designing and manufacturing state of
the art RF/Microwave passive components solutions.
|RF/Microwave passive components solutions including
isolator/circulator, RF resistors, terminations, attenuators, multilayer chip ceramic capacitors, feed-through capacitors,
directional couplers, power divider/combiner,3 dB
hybrid coupler, etc.
|Connectorized, surface mount, drop-in, and waveguide versions available.
|Product Lines Include
• RF Resistors
• Power Dividers
• Directional Couplers
• 3 dB Hybrid Couplers
• High Q Ceramic Caps
|Certified ISO9001-2000 and ISO
A-Alpha Waveguide Company
310-322-3487 | El Segundo, CA
Cast bends, rigid waveguide tubing.
83-31-353-5001 | Korea
Amplifiers, repeaters, power
dividers/combiners, up/down converters, duplexers, waveguide filters, bias tees, couplers, antennas.
Advanced Microwave Components
727-571-1008 | Clearwater, FL
Manufactures a wide variety of standard custom and flexible waveguide components for the microwave | satellite
industry including adapters, bends, couplers, gaskets, rotary joints.
+49 7191 9659 0 | Germany
including circulators, isolators, waveguide and coaxial components, phase shifters, ferrites, thin film technology.
978-544-8225 | Orange, MA
accessories, adapters, attenuators, bends, detectors, directional couplers, frequency meters, loads, phase
shifters, power dividers, pressurizing components, straight sections, switches, transitions, tuners, twists.
A.J. Tuck Company
800-972-7330 | Brookfield, CT
components - filters, horns, transitions, polarizers, double ridge, mm-wave.
516-231-8400 | Bay Shore, NY
Attenuators, blocks, DC couplers,
dividers/combiners, filters, line stretchers, path simulators, phase shifters, shorts, RF switches, terminations,
adapters, horns, waveguide.
732-560-3800 | Warren, NJ
Connectors, adapters, cable,
cable assemblies, phase shifters, waveguide, terminations, attenuators.
A.T. Wall Company
401-739-0740 | Warwick, RI
Rigid rectangular &
circular cold drawn, close tolerance waveguide tubing with smooth ID surfaces to meet all of your needs. Brass,
BeCu, and Phos-Bronze. Seamless flexible in sizes WR10 through WR284. Flexible twistable in sizes WR22 through
WR430. Components Includes adaptors, couplers, bends and twists.
408-541-9226 | Sunnyvale, CA
Amplifiers, antennas, couplers,
isolators, circulators, filters, diplexers, oscillators, noise sources, switches, phase shifters, transition &
adapters, mixers, waveguide products, attenuators, terminations, detectors, subsystems.
+44 (0) 1243 670711 | UK
Manufacturer and supplier
of microwave equipment including waveguides, couplers, diplexers, anechoic chambers, antenna rotary joints,
antenna, radar & satellite communications subsystems and components for commercial and military applications.
203-250-9678 | Cheshire, CT
couplers, circulators, terminations, filters, coaxial & waveguide adapters, diodes, detectors.
724-940-7556 | Corry, PA
Dielectric resonators, bandpass
filters, LC filters, VCOs, PLLs, patch antennas, power dividers, connectorized lumped element power dividers,
directional couplers, isolators/circulators, high power hybrids, diplexers & multiplexers, attenuators,
switches, cavity filters, waveguides, standard gain horn antennas.
206-574-0900 | Seattle, WA
8.2 GHz to 110 GHz antennas, waveguide isolators & circulators, switches, adapters, connectors.
Eastern Wireless TeleComm, Inc
410-749-3800 | Salisbury, MD
Microwave filters, duplexers, & multiplexers to 40 GHz for all commercial, military, & wireless, applications.
541-878-3927 | Shady Cove, OR
Specializes in the design
and fabrication of RF and microwave components, systems and sub-systems including antennas, antenna polarizers,
circulators, isolators, waveguide loads, coaxial loads, microwave pulse compressors, waveguide windows, waveguide
seals, waveguide shorts, waveguide couplers and microwave heating.
Gerling Applied Engineering
209-527-8960 | Modesto, CA
tuners, isolators, loads, transitions, straights, bends, flanges, magnetrons.
H. Rollet & Co
01384 255300 | England
Rigid and flexible waveguide
tube, tube, sheet, rod, bar, strip, wire and sections in copper, brass, copper based alloys, aluminium and
its alloys, nickel alloys, stainless steel, specialty metals, zinc and nylon/PTFE.
+82-32-816-1456 | Incheon-City, Korea
A wide selection
of RF & microwave components as well as power dividers, power splitters, arrestors, bias-Ts, attenuators,
terminations, directional couplers which cover the frequency range from DC to 18 GHz. Waveguide filters, diplexer,
adaptor, couplers up to 40 GHz, custom designs are available to support applications for the military and
Instruments for Industry (IFI)
631-467-8400 | Ronkonkoma, NY
configurations such as tetrode tubes, TWTs, klystrons, and solid state devices. Standard horn antennas and
410-749-2424 | Salisbury, MD
44 (0)1256 355771 | Basingstoke, Hampshire, UK
Horn antennas, rotary joints, OMTs, attenuators, TEM cells, filters, couplers, transitions, millimetre wave
components, adaptors, terminations and custom waveguide assemblies. DC to 40 GHz.
407-842-3550 | West Palm Beach, FL
waveguide, coaxial, ridgeguide switches.
82-2-2026-7500 | Seoul, Korea
connectors, coaxial cable, and passive components including power splitters, power dividers, directional couplers,
surge arrestors, terminators, duplexers, antennas.
|VECTOR TELECOM has fully instrumented microwave, millimeterwave, & antenna
laboratories and production facilities. Our professional engineers have backgrounds from telecommunications,
electronics, space and aviation industries. Frequencies up to 112 GHz, at globally competitive
prices. Custom designs available. TQM / ISO 9001:2000 certification.
|» Straight » Bend
» Twist » Transition
» WG to Coax Adapter
|» Fixed » Variable
|» Single, Dual-Channel
» Circulator » Isolator
|» Low, Med, High Power
» Short Circuit
||» Fixed Attenuator
|» Standard Gain Horn
» Wideband Horn
210-561-4800 | San Antonio, TX
Coaxial, drop-in &
waveguide isolators & circulators; coax to waveguide adaptors, couplers, combiners, waveguide terminations,
and waveguide bends.
909-987-4715 | Ontario, CA
Adapters, ATE, cable assemblies,
connectors, noise sources, terminations, test equipment, tuners, waveguide.
800-333-6254 | St. Petersburg, FL
Power dividers, couplers, isolators,
circulators, waveguide components, oscillators, filters, hybrids, attenuators, switches, terminations, amplifiers.
207-654-1700 | Gorham, ME
Waveguide tuners, slotted
lines & Ts, miter bends, couplers, rotary joints, filters, gas barriers.
973-992-7700 | Livingston, NJ
tees, couplers, dc blocks, coaxial junctions, terminations, low pass filters, power splitters/dividers, tuners &
line stretchers, waveguide dummy loads.
203-272-3234 | Cheshire, CT
Waveguide rotary joints,
bends, straight, twists, adapters, couplers, horns, terminations, tees.
Microwave Components and Systems
508-480-0106 | Marlboro, MA
Produces a wide range of standard and custom waveguide and coaxial components and systems including power
combiners, filters, multiplexers, pressure windows, terminations, couplers, hybrids & transitions; custom
designs, small quantities available, quick delivery.
Microwave Development Laboratories
800-383-8057 | Needham Heights, MA
Waveguide rotary joints, adapters.
+39(0)292162703 | Pioltello, Milano, Italy
Manufacturing of RF components including waveguide band and channel filters, duplexers, couplers, tapers,
adapters, flanges, housings and cold plates for RF bridges, and also offers offering also electric testing,
project consulting and problem solving.
+82-43-903-4828 | South Korea
SMD, drop-in, coaxial,
waveguide isolators, circulators, directional, hybrid couplers, 2way, 3way, 4way dividers, attenuators, terminations.
Pacific Wave Systems
714-893-0152 | Garden Grove, CA
waveguide transmission lines, broad-band and high power waveguide components, low VSWR waveguide adapters
available in SMA, K and type N.
Penn Engineering Components
818-503-1511 | North Hollywood,
Adapters, cast miter bends, flanges, directional couplers, terminations, waveguide components.
Precision Waveguide Components
352-489-9893 | Hernando, FL
Straight sections, bulkhead feed-thru, 90 degree mitre H-plane, rigid twist, tapered transition (adapter),
waveguide to coax type-N, waveguide to coax SMA, low power termination, shorting plates, rotary joints, shims.
Quasar Microwave Technology
(now The Waveguide Solution)
+44 (0) 1626 835255 | UK
Flexible twistable and rigid waveguides, flanges, pressure windows, power splitters,
hot stand-by couplers, filters, diplexers.
978-772-7774 | Harvard, MA
RF & microwave sub-systems and components including isolators & circulators, dividers & combiners,
waveguide components, coaxial RF switches, switch matrices, base station equipment.
631-727-1441 | Manorville, NY
the manufacture of EMI shielding, waveguide, connector, conductive, non-conductive, washer style, co-elastomer
gaskets, fluid sealing products, static and reciprocating seals, and O-rings. Capabilities include die cutting,
molding, laser cutting, extruding, and water jet cut gaskets, along with a wide variety of stocked sheet and
Senor Lambda Microwaves
91 011 31047104 | India
terminations, loads, transitions, installation hardware.
Space Machine & Engineering
727-323-2221 | St. Petersburg,
Waveguide assemblies, rotary joints, waveguide adapters and couplers.
Spectrum Elektrotechnik GmbH
+49-89-3548-040 | Germany
cable assemblies, circulators, isolators, phase adjusters, phase shifters, terminations, calibration components,
coaxial switches, limiters.
Steatite Q-par Antennas
+44 (0) 1568 612138 | UK
Discrete antennas &
components and complete systems across the radio frequency spectrum, microwave design and consultancy, including
research and development through to manufacture, tests and field trials, Antenna Calculator. Visit our Web
727-573-1280 | Clearwater, FL
cost effective waveguide components including flexible, terminations, adapters, and couplers.
The Waveguide Solution Limited
0044 (0) 1626 835255 | UK
RF/Microwave components including waveguide assemblies, adapters, bends, couplers, loads, diplexers, rotary
joints, rotary vane attenuators, connectors, coaxial cable assemblies, phase shifters, switches, hybrids,
test equipment, flanges and much much more.
Vector Telecom Pty Ltd
+61 3 9607 8357 | Melbourne , Australia
Waveguide components and assemblies, coaxial components and antennas.
Vidyut Yantra Ydyog
91 1232 242223 | India
microwave and millimeter waveguide components, antennas, & attenuators.
973-226-9100 | Fairfield, NJ
RF & microwave solid
state and waveguide components - PIN diode components, switches, analog and digital attenuators & phase
shifters, custom subassemblies, couplers, dividers, combiners, modulator.