Company Profile

MCV Microwave is a custom RF/Microwave Filter Specialists and major supplier of high Q / low loss Dielectric Resonators.  We provide band pass filters, band reject filters, low pass filters, high pass filters, multiplexers, ceramic filters, lumped element filters, combline cavity and waveguide filters and broadband antenna solutions.  Our focus is to provide industry best microwave filters for current and future wireless systems that involve broadband wireless, small cell, pico cell,  in-building networks, mobile hotspot, GPS, distributed antenna system (DAS), 4G and 5G wireless, broadband antenna and broadband internet solutions. MCV listens to each customer's specific needs and provides quick-turn solutions at competitive prices.  We serve and offer exceptional value in terms of quality, delivery, pricing and convenience.

Contact Information:

Contact: Ed Liang
Title: co-founder and CTO
Phone: 858-450-0468
Fax: 858-869-8404


MCV Microwave
6349 Nancy Ridge Drive
San Diego CA 92121
United States
MCV Image

Ultra-Low PIM Cavity Filters And Multiplexers

MCV Microwave has developed a line of ultra-low passive intermodulation (PIM) cavity filters and multiplexers covering the TETRA and all LTE frequency bands from 300 to 3600 MHz. The typical production PIM performance is −163 dBc, measured with two CW tones, each at 43 dBm.

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Removable Connectors for Drop-In

MCV Microwave high frequency cavity and planar filters for 5G system integration include a very wide-band bandpass filter covering from 10 to 30 percent bandwidth, having low insertion loss and moderate rejection. MCV Microwave also offers extremely narrow-band notch filters, as narrow as 0.3 percent bandwidth, having very sharp roll-off and high rejection.

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Ultra-Low Passive Intermodulation Cavity Filters / Multiplexers

MCV Microwave has developed a line of ultra-low passive intermodulation (PIM) cavity filters and multiplexers covering frequency bands from 250 MHz to 6 GHz. The typical PIM performance in production is -163 dBc measured with two CW tones, each at 43 dBm. An even lower PIM filter with a maximum of -168 dBc is available, if requested. The filter line has low passband insertion loss, high-power handling and, for multiplexers, high isolation between bands.

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PIFA Chip Antenna

PIFA Chip AntennaMCV GPS, GlobalStar, Glonass ceramic patch antennas offer precision and high gain along with a wide band PIFA chip antenna covering 698 to 960 MHz and 1700 to 2700 MHz for 3G/4G applications. MCV VHF/UHF and LTE MIMO DAS antennas are ideal for base station and indoor/outdoor repeater. Meta-material antenna can effectively isolate Wi-Fi frequency from LTE bands.

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Hybrid Antenna

logoMCV Microwave introduces new multiband antenna for IoT applications, the Hybrid Antenna.   This device is tunable, affordable and optimized with excellent performance in a wide range of physical environments.  We were able to divide the antenna's functionality between a mass-produced 'superstructure' portion that enhances the radiation pattern and a custom-designed planar circuit board portion that enables economical tuning for frequency and match.

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Ceramic Filters

New Ceramic FiltersMCV ceramic filters feature high Q/low loss, high rejection, small size in rugged SMT or connectorized package covering 300 MHz to 10 GHz. High power ceramic filters can handle 10 W, 20 W, 30 W and 60 W CW. Ceramic bandpass filters, band reject filters and multiplexers are used in 4G LTE small cell, DAS, in-building network, public safety and wireless communication up to 5 GHz.  These are an economical option replacing cavity filters at a much smaller size.

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LC Filters

LC FiltersMCV microwave LC filters feature center frequencies from 100 kHz to 10 GHz with excellent environmental performance in rugged surface mount and connectorized package. It is available in standard and special enhanced performance packages.  We offer solutions in LC band pass filter, LC band reject filter, LC high pass filter, LC low pass filter, LC duplexer, LC multiplexer and LC tunable filter.

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Cavity Filters

New LC FiltersMCV Microwave cavity filters are available from 10 MHz to 40 GHz and with bandwidth from 0.1% to over 66%. Cavity filters offer very high Q and low insertion loss, steep skirt selectivity, and narrower bandwidths.  MCV combline cavity and waveguide filters include cavity band pass filters, cavity band reject filters, cavity multiplexers, dual cavity duplexers, combline band pass filters, interdigital filters, waveguide bandpass filters and dielectric resonator loaded cavity filters. 

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Dielectric Resonators

Dielectric ResnatorsMCV dielectric resonators are offered in TE, TM and TEM mode, providing a wide range of dielectric constant from Er=6 to Er=190 having very high Q factor to ultra-high Q factor, up to Qxf>300,000 measured at 10 GHz. MCV high K substrates are made of high dielectric constant materials from K=6 to 190.  Standard sizes are 1" and 2" square with thickness from 10 mils and up.  Custom size and thickness available upon request. 

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Dielectric Antennas

Dielectric AntennaMCV Microwave dielectric antennas are compact size, high performance, reliable and cost competitive. MCV offers patch antennas in various sizes for GPS applications. Their rectangular micro strip designed patch antenna has excellent stability and sensitivity through the use of high-performance, proprietary dielectric materials with strict dimensional accuracy, excellent tolerance in dielectric constant and temperature stability.

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Fabs and Labs: A Passion for Dielectric Materials

MCV Microwave, with MCV an acronym for the pillars of the new company: materials, customer centric and vertically integrated.