What Rantec Microwave Systems Inc does

Rantec Microwave Systems, Inc. is a privately-held U.S. manufacturer of microwave antennas, headquartered in Westlake Village, California. The company designs and builds slotted-array antennas for missile guidance and radar, satellite communications antennas, Ku/Ka-band mobile satcom subsystems for UAV and airborne ISR platforms, radar/SAR antennas, navigation antennas, and communications antennas. Rantec markets itself as space-qualified and asserts its antennas are deployed worldwide across military and commercial applications including radar, missile guidance, navigation, satellite communications, and space.

The firm's core technology differentiator is an integrated in-house manufacturing stack: CNC precision machining, salt-bath aluminum dip brazing to AWS C3.7 Grade C specifications, 3D modeling and simulation for design validation, and in-house RF testing for output power, receiver/transmitter performance, sensitivity, and blocking. The company holds AS9100D and ISO 9001:2015 certifications through BSI Management Systems America, is ITAR registered with the U.S. Department of State, and operates a long-running relationship with affiliated sister division Microwave Specialty Company.

Rantec makes money primarily through custom antenna design and hardware sales to defense contractors, military programs, and aerospace companies, supplemented by three professional-service revenue streams: subcontract precision machining and dip brazing, antenna refurbishment, and RF testing. Pricing is quote-based and not publicly disclosed. The go-to-market is direct enterprise field sales with long procurement cycles characteristic of defense and aerospace customers, supported by a content-driven company website, technical data sheets, and direct contact infrastructure.

Name

Rantec Microwave Systems Inc

Legal name

Rantec Microwave Systems, Inc.

Website

https://rantecantennas.com

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

1–10 employees

Short description

Rantec Microwave Systems, Inc. is a privately-held U.S. manufacturer of custom microwave antennas for defense and aerospace prime contractors, supporting radar, missile guidance, satellite communications, UAV satcom, and space-qualified applications through integrated in-house CNC machining, aluminum dip brazing, and RF testing.

Ownership category

akta.pro rank

Product category

Microwave Antennas (Defense & Aerospace Electronics)

NAICS

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419), Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing (334220), Guided Missile and Space Vehicle Manufacturing (336414)

SIC

Search, Detection, Navagation, Guidance, Aeronautical Sys (3812), Guided Missiles & Space Vehicles & Parts (3760)

akta.pro primary industry

Radar Systems & Subsystems (Airborne, Ground, Naval) (IMABAGAA)

akta.pro secondary industries

Guidance, Navigation & Control (GNC) Electronics for Weapons (IMABAGAH), Defense Communications (Secure Radios, SATCOM Terminals, Crypto) (IMABAGAG), Space Structures, Mechanisms & Thermal Control (IMABACAF)

Keywords

• Microwave antenna manufacturing
• Defense antennas
• Satellite communications antennas
• Radar antenna systems
• Dip brazing services

Headquarters

HQ city

Westlake Village

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure

Revenue model

1. Custom Antenna Manufacturing: Design and manufacture of custom microwave antennas for military and commercial applications including radar, missile guidance, navigation, satellite communications and space. Products include slotted arrays, satellite antennas, airborne satcom, radar/SAR antennas, navigation, and communications antennas.
2. Subcontract Manufacturing Services: Offers combined precision machining and dip brazing for aluminum as a subcontract service. In-house capabilities allow delivery of machined and dip brazed parts under one roof, saving customers time and money.
3. Antenna Refurbishment: Refurbishment services for antennas that have weakened capacity from wear and tear. Extends lifecycle of existing antenna installations.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Rantec Microwave Systems designs and manufactures custom microwave antennas (slotted arrays, satellite, satcom/ISR, radar/SAR, navigation, and communications antennas) for defense and commercial aerospace applications. The company operates a vertically integrated production capability that combines custom antenna design and prototyping, build-to-print manufacturing, salt bath dip brazing of aluminum, CNC precision machining, antenna refurbishment, and RF testing under one roof. Products support radar, missile guidance, navigation, satellite communications, and space-qualified applications for military and commercial customers worldwide.

Product overview

Rantec Microwave Systems is a specialized manufacturer of microwave antennas for defense and wireless communications applications. The company offers a portfolio of antenna products including Missile Guidance Detection Antennas (slotted arrays), Satellite Antennas, Satcom/ISR Antennas (Ku and Ka Band mobile satellite systems), RADAR/SAR Antennas, Navigation Antennas, and Communications Antennas. These products are used in military and commercial applications such as radar, missile guidance, navigation, satellite communications, and space systems. The company also provides complementary manufacturing services including custom antenna design and prototyping (using 3D modeling and simulation), build-to-print manufacturing, dip brazing for aluminum assemblies, CNC precision machining, antenna refurbishment, and RF testing. The products and services work together to deliver complete antenna solutions from design through production and testing, with a focus on mission-critical defense applications requiring stringent quality and reliability standards.

Differentiator

Problem solved

Functional benefit

Products and services

• Missile Guidance Detection Antennas (Slotted Arrays) Slotted array antennas designed for missile guidance and detection applications, used in radar and defense systems for military and aerospace customers.
• Satellite Antennas Satellite communications antennas for space and earth station applications supporting various frequency bands, used by military and commercial satellite programs.
• Ku & Ka Band Mobile Satellite Antenna Subsystem Flight-proven Ku and Ka band mobile satellite antenna systems suitable for UAVs and ISR roles aboard various aircraft, available in multiple aperture sizes including 18 inch, 12 inch, and 11.5 inch options.
• RADAR/SAR Antennas Radar and Synthetic Aperture Radar antennas for surveillance, detection, and imaging applications in defense and commercial aerospace systems.
• Navigation Antennas Antennas designed for navigation systems supporting GPS and other navigation satellite systems, used in military and commercial platforms.
• Communications Antennas General communications antennas for various military and commercial wireless communication applications.
• Various Antenna Types Additional specialized antenna configurations for specific defense and commercial applications beyond the core slotted array, satellite, radar, navigation, and communications families.
• Custom Antenna Design and Prototyping Custom antenna design and prototype development using 3D modeling and simulation to validate designs against real-world conditions before mass production, targeted at mission-critical defense and aerospace programs.
• Build to Print Manufacturing Manufacturing services that produce antenna components and assemblies to customer-supplied technical drawings and specifications, including documentation and quality verification.
• Dip Brazing for Aluminum Subcontract salt bath dip brazing service for aluminum alloy components, producing strong, leak-tight, and electrically conductive joints meeting AWS C3.7, Grade C specifications; can simultaneously join components with varying material thickness.
• CNC Precision Machining Subcontract CNC precision machining services for antenna components and assemblies, integrated with in-house dip brazing to deliver finished machined and brazed parts from a single supplier.
• Antenna Refurbishment Refurbishment services for existing antennas to restore or enhance performance weakened from wear and tear, extending the operational life of installed antenna systems.
• RF Testing Radio frequency testing services covering output power, receiver/transmitter tests, sensitivity, and blocking to verify antenna performance and compliance with frequency standards.

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Microwave Specialty CompanyminorOthersSister division of Rantec Microwave Systems. Referenced on company website as related entity operating under the same corporate umbrella.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• BAE Systems Electronic Systems: BAE Systems Electronic Systems produces RF, microwave, and antenna products across EW, radar, and communications applications, and acquired Ball Aerospace — overlapping Rantec's defense antenna portfolio at a much larger scale.
• Raytheon (RTX): Raytheon is a major defense prime producing radar systems, missile guidance, and satcom solutions that consume antenna content similar to Rantec's portfolio; Rantec likely supplies into Raytheon programs while Raytheon's own antenna capabilities represent broad-incumbent competition.
• Honeywell Aerospace: Honeywell Aerospace supplies avionics, navigation, and communication antennas for military and commercial aircraft, with overlap to Rantec's navigation and communications antenna lines and as a likely customer/supplier relationship in aerospace platforms.
• L3Harris Technologies: L3Harris is a major defense prime with substantial RF/microwave antenna and electronic warfare content across its Integrated Mission Systems and Space segments; it competes with Rantec indirectly as both a customer and competing supplier for radar, satcom, and EW antenna systems.
• Crane Aerospace & Electronics: Crane A&E provides RF/microwave components, antennas, and electronic systems for defense and aerospace, with overlapping capability to Rantec across satcom, radar, and communications antenna products supplied to defense primes.
• General Dynamics Mission Systems: General Dynamics Mission Systems produces RF and microwave subsystems including antennas for radar, electronic warfare, and satellite communications — a broad incumbent with overlapping product scope to Rantec across multiple defense end markets.

Direct peers

• ThinKom Solutions: ThinKom specializes in low-profile airborne and ground satcom antennas including Ku/Ka band systems for government and ISR aircraft — directly comparable to Rantec's flight-proven Ku/Ka mobile satellite antenna subsystems for UAV/ISR applications.
• Mercury Systems: Mercury Systems is a leading merchant supplier of RF, microwave, and millimeterwave components and subsystems for defense prime contractors, with significant overlap to Rantec in radar, EW, and missile defense applications. Both serve defense primes with mission-critical RF content.
• Cobham Advanced Electronic Solutions (TransDigm): Cobham AES (now part of TransDigm) designs and manufactures RF, microwave, and millimeterwave components and antennas for defense, aerospace, and space applications — a direct comparable across multiple of Rantec's product lines including satcom, EW, and missile antennas.

Others

• TTM Technologies: TTM Technologies manufactures RF/microwave printed circuit boards and substrates that are core inputs into antenna assemblies; while not a direct antenna competitor, TTM is a key enabling supplier in the same defense electronics value chain as Rantec.

Market position

Strengths5 records

Weaknesses3 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/about

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rantec Microwave Systems Inc