Concealed & Low-Profile Antenna Products

  • Versatile
  • Ultra-Wideband
  • One Year Limited Warranty

Your Source for Concealed & Low-Profile Antennas

BCA-620

Broadband UHF Dipole Antenna (BCA-620)

Broadband dipole blade for 600-2000 MHz. Designed for SIGINT and multiband applications. Requires separate cover.

  • 600 – 2000 MHzPower
  • Ideal for SIGINT; Multifunctional
  • Separate Cover Required
  • Download Spec Sheet

BCA-732

Broadband Card Antenna (BCA-732)

Initially designed for portable, low-profile use, this card style antenna is ideal for monitoring, communications, as well as high power transmission in the cellular 2G/3G/4G, LTE, Wi-Fi, Wi-Max spectrum. This ultra broadband, flat gain antenna is designed for any type of software defined radio with 700 – 3200 MHz capability. A tubular chassis mounting assembly is optional.

  • 700 – 3200 MHz
  • Ideal for Monitoring, Communications, or High Power Transmission
  • Optional Mounting Assembly
  • Download Spec Sheet

BCA-0360

Broadband VHF Card Antenna (BCA-0360)

Broadband blade for 30-600 MHz. Designed for SIGINT and broadband applications. Requires separate cover.

  • 30 – 600 MHz
  • Ideal for SIGINT and Broadband Application/li>
  • Separate Cover Required
  • Download Spec Sheet

FPA-218

Flat Panel Antenna (FPA-218)

This antenna is a vertically polarized, flat panel antenna which provides high‐level performance in a unique design that allows it to fit where no other antennas are able. Designed to minimize space while maximizing transmission or detection. Easy to install and provides exceptional coverage across an ultra‐ wide frequency range. This system is excellent for ELINT/SIGINT requirements over a broad band. The ‐2 version provides a dual output and ‐3 provides a three output system.20 MHz – 18 GHz

  • 20 MHz – 18 GHz
  • Ultra-Wideband Performance with Ultra Thin Form Factor
  • Rugged, Impact Resistant Radome
  • Download Spec Sheet

HSA-018

12″ Square Spiral Antenna (HSA-018)

This low profile, compact spiral antenna is ideally suited for vehicular use. It provides wide bandwidth, broad beam width, and high RF efficiency. The 12” square Spiral antenna is rugged and weather resistant. Applications include SIGINT, EW, and wideband communications.

  • 100 – 8500 MHz
  • Ideal for SIGINT, EW, and Wideband Communications
  • Rugged, Impact Resistant Radome
  • Download Spec Sheet

HSA-056A

6″ Square Spiral Antenna (HSA-056A)

A low-profile, compact spiral antenna ideally suited for handheld and vehicular applications. This antenna provides wide bandwidth, broad beamwidth, and high RF efficiency. This lightweight antenna is rugged and weather resistant. Applications include SIGINT, EW, and wideband communications.

  • 500 – 8500 MHz
  • Rugged and Weather Resistant
  • Ideal for SIGINT, EW, and Wideband Communications
  • Finish: Polyurethane Enamel
  • Download Spec Sheet

HSA-056B

6″ Square Spiral Antenna (HSA-056B)

A low-profile, compact spiral antenna ideally suited for handheld and vehicular applications. This antenna provides wide bandwidth, broad beamwidth, and high RF efficiency. This lightweight antenna is rugged and weather resistant. Applications include SIGINT, EW, and wideband communications.

  • 500 – 8500 MHz
  • Rugged and Weather Resistant
  • Ideal for SIGINT, EW, and Wideband Communications
  • Finish: MIL-DTL-53039, Type IV, CARC
  • Download Spec Sheet

HSA-218

Spiral Antenna (HSA-218)

A low profile, compact spiral antenna ideally suited for airborne and vehicular applications. This antenna provides wide bandwidth, broad beamwidth, and high RF efficiency. This lightweight antenna is rugged and weather resistant. Applications include SIGINT, EW, and wideband communications.

  • 2 – 18 GHz
  • Suitable for SIGINT, EW, and wideband communications
  • Compact & Low-Profile
  • Download Spec Sheet

HSA-056-Spiral

Ultra-Wideband Compact Spiral (HSA-560)

A lightweight, low‐profile, compact spiral antenna ideally suited for handheld and vehicular applications. This rugged and weather resistant antenna provides wide bandwidth, broad beamwidth, and high RF efficiency. Applications include signal intelligence (SIGINT), Electronic Warfare (EW), and wideband communications.

  • 500 – 6000 MHz
  • Compact, Rugged and Weather Resistant
  • Ideal for SIGINT, EW, and Wideband Communications
  • Download Spec Sheet

HSA-2438

UHF MUOS SATCOM Antenna (HSA-2438)

The HSA‐2438m hybrid spiral antenna is designed for UFO and MUOS SATCOM band and vehicular use. The antenna operates on 244 – 270 MHz, 292 – 320 MHz, and 360 – 380 MHz and has been optimized for the MUOS bands. The unique pattern is designed for cardioid shaped gain overhead to 10 degrees in elevation where SATCOM links are more difficult to close. The hybrid spiral antenna can be mounted on a vehicle surface with no degradation to the pattern or VSWR and is ground plane independent.

  • 240 – 380 MHz
  • Designed for both UFO and MUOS UHF SATCOM operation
  • Cardioid shaped gain pattern
  • Download Spec Sheet

HSA-2438A

Low Profile MUOS SATCOM Antenna (HSA-2438A)

Initially designed for flush mount on a tubular chassis mounting, this low-profile, compact spiral antenna is suitable for vehicular or airborne use. The pattern is designed for uniform gain overhead to 45 degrees in elevation. The hybrid spiral antenna can be flush mounted on a vehicle or airborne surface with little to no degradation to the pattern or VSWR. This rugged spiral can be equipped with a side or bottom mounted connector.

  • 240 – 380 MHz
  • Designed for MUOS UHF SATCOM operation
  • Uniform gain overhead to 45 degrees in elevation
  • Download Spec Sheet

HSA-2438C

Conformal MUOS SATCOM Antenna (HSA-2438C)

The 2438C is designed for a conformal airborne application operating in extreme environments, vibration, and speed. This low-profile, compact spiral antenna is suitable for vehicular or airborne use. The pattern is designed for uniform gain overhead to 40 degrees in elevation. The hybrid spiral antenna can be flush mounted on a vehicle or airborne surface with little to no degradation to the pattern or VSWR. This rugged spiral can be equipped with a side or bottom mounted connector.

  • 240 – 380 MHz
  • Designed for MUOS UHF SATCOM operation
  • Performs well in extreme environments, vibration, and speed
  • Download Spec Sheet

HSA-2438LP

Low Profile MUOS SATCOM Antenna (HSA-2438LP)

Initially designed for flush mount on a tubular chassis mounting, this low‐profile, compact spiral antenna is suitable for vehicular or airborne use. The pattern is designed for uniform gain overhead to 40 degrees in elevation. The hybrid spiral antenna can be flush mounted on a vehicle or airborne surface with little to no degradation to the pattern or VSWR. This rugged spiral has optional side or bottom mounted connectors.

  • 240 – 380 MHz
  • Low-Profile and flush mountable for low visibility applications
  • Optional Clamp Mounts for Quick Connect in All-Terrain Vehicle Operation
  • Download Spec Sheet

HSA-2438MFC

Low-Profile MFC Antenna (HSA-2438MFC)

This state-of-the-art low-profile antenna is designed for 1.75” cavity depth, flush mount in non-ferromagnetic material. The Magnetic Flux Channel (MFC) antenna is designed using high hesitivity, low-loss material. This groundbreaking antenna technology is combined with a JEM’s novel beamforming technology to provide AS-3916 performance in SINCGARS band, exceptional UHF LOS gain, and UHF UFO/MUOS SATCOM capabilities in a 1.5” thick low-profile form-factor.

  • 30 – 512 MHz, 240 – 380 MHz
  • Designed for both UFO and MUOS UHF SATCOM operation
  • 1.5″ Thick Low-Profile Form Factor
  • Download Spec Sheet

JEM-150 Dual-Band Low-Profile Antenna

Dual-Band Low-Profile Antenna (JEM-150)

The JEM‐150 low‐profile whip antenna is designed for 100 – 512 MHz operation. It is optimized for vehicular use with a removable whip (included). The whip antenna system can be mounted to tubular chassis quick connect for offroad type applications. The UV‐stabilized fiberglass mast is small in diameter to reduce visibility. The tuning network is designed to be mounted below the ground plane with either a side or bottom connector.

ISR SIGINT/ELINT Antenna | JEM-0221 Broadband Omni Antenna

Broadband Omni Antenna (JEM-0221)

Designed for 20 MHz to 21 GHz operation, this ultra-wideband omnidirectional antenna has excellent
aperture efficiency. The antenna has +1 to _7 dBi over 98% of the band and tuned using state‐of‐the‐art pattern modeling for optimal performance. This antenna is exceptional for SIGINT, ELINT, and broad spectrum
monitoring of RF signals. Other form factors are available upon request. Available exclusively through distributor.

  • 20 – 21000 MHz
  • Excellent Aperture Efficiency
  • Ideal for SIGINT, ELINT, and Broadband Spectrum Monitoring
  • Download Spec Sheet

JEM-0221A

Broadband Omni Antenna (JEM-0221A)

Designed for 20 MHz to 21 GHz operation, this ultra-wideband omni directional antenna has excellent aperture efficiency. The antenna has +1 to _7 dBi over 98% of the band and tuned using state-of-the-art pattern modeling for optimal performance. This antenna is exceptional for SIGINT, ELINT, and broad spectrum monitoring of RF signals. Other form factors are available upon request. This item is available through our local distributors.

  • 20 – 21000 MHz
  • Excellent Aperture Efficiency
  • Exceptionalfor SIGINT, ELINT
  • Download Spec Sheet

JEM-238MFC Ultra-Low Profile MUOS UHF SATCOM

Ultra-Low Profile MUOS UHF SATCOM (JEM-238MFC)

This state‐of‐the‐art lowprofile antenna is designed for .75” cavity depth mounting. The antenna is capable of high input power and efficiency. The breakthrough technology included in this antenna is called a Magnetic Flux Channel (MFC) antenna, which is designed using high hesitivity, low‐loss material.

This groundbreaking antenna technology was developed on SBIR technology (N112‐113) and provides exceptional UHF UFO/MUOS capabilities in a 3/4” thick low‐profile form‐factor. The antenna can be equipped with clamps, flanges for your application.

  • 240 – 380 MHz
  • High Input Power and Efficiency
  • 3/4″ Thick Low-Profile Form-Factor
  • Download Spec Sheet

LBC-760

Linear Biconical Antenna (LBC-760)

The LBC-560 is a 690 MHz to 6100 MHz antenna designed for cellular, PCS, LTE, 4G LTE and Wifi / WiMAX bands. The antenna supports 802.11x specifications including a/b/g/n/ac/ah/ax. This lightweight antenna is capable of high-power, high-gain transmission for commercial and tactical portable use. The antenna comes standard with a ½-20 threaded mount with an optional NATO base or magnetic mount. JEM also produces a MIMO version of this antenna with 3/6/9 outputs in a single form factor.

  • 690 – 6100 MHz
  • High-power, High-gain
  • Designed for cellular, PCS, LTE, 4G LTE and Wifi / WiMAX bands
  • Download Spec Sheet

MBA-0085

Multi-Band Array(MBA-0085)

Compact, low-profile, single-port antenna covering two broad bands from 800MHz to 1GHz, and 1.7GHz to 2GHz. Applications include multiband communications. Circularly polarized with fixed scan angle of 30°. This antenna has been qualified for airborne ISR applications.

  • 800 – 1000 MHz; 1700 – 2000 MHz
  • Qualified for Airborne ISR Applications
  • Compact & Low-Profile
  • Download Spec Sheet

MBA-0086

Multi-Band Antenna (MBA-0086)

Compact, low-profile, single-port antenna covering two broad bands from 800MHz to 1GHz, and 1.7GHz to 2GHz. Applications include multiband communications. This antenna is a single element version of the MBA-0085 multi-band array and has been qualified for airborne ISR applications.

  • 800 – 1000 MHz; 1700 – 2000 MHz
  • Qualified for Airborne ISR Applications
  • Compact & Low-Profile
  • Download Spec Sheet

MBA-0127-product

16″ Multi-Band Array, HexBand (MBA-0127)

Compact, low-profile, singleport antenna covering multiple bands from 400MHz to 2.2GHz. Applications include multiband communications and SIGINT. This antenna has been qualified for airborne ISR applications.

  • 410 – 500 MHz; 820 – 960 MHz; 1700 – 2200 MHz
  • Suitable for SIGINT and multiband communications
  • Compact & Low-Profile
  • Download Spec Sheet

MBA-0145

9″ Multi-Band Array, HexBand (MBA-0145)

Compact, low-profile, singleport antenna covering multiple bands from 400MHz to 2.2GHz. Applications include multiband communications and SIGINT. This antenna has been qualified for airborne ISR applications.

  • 410 – 500 MHz; 820 – 960 MHz; 1700 – 2200 MHz
  • Suitable for SIGINT and multiband communications
  • Compact & Low-Profile
  • Download Spec Sheet

MBA-0153-product

Dual-Band Panel Antenna (MBA-0153)

Compact, low-profile, single-port antenna covering multiple bands from 800 MHz to 1000 MHz and 1700 – 2000 MHz. Applications include multiband communications and SIGINT.
Available exclusively through our distributors.

  • 800 – 1000 MHz; 1700 – 2000 MHz
  • Suitable for SIGINT and multiband communications
  • Compact & Low-Profile
  • Download Spec Sheet

MBA-0162-product

Multi-Band Array “Sentry” (MBA-0162)

Designed for SIGINT and ISR applications, this compact, low-profile, single-port antenna is the ultimate all-in-one solution. With an efficiency of over 50% for the aperture across the entire band, The Sentry has unparalleled performance. This versatile antenna can be installed in many locations on any aircraft or on other vehicles. It is mountable onto both on conductive and non-conductive surfaces, and even behind a radome.

  • 400 – 2700 MHz
  • All-in-One Solution/li>
  • Designed for SIGINT and ISR Applications
  • Download Spec Sheet

MBA-0183-product

Multi-Band Airborne ISR Antenna (MBA-0183)

Designed for airborne ISR systems, the MBA-0183 is a low-profile, multi-band antenna array with three output ports. This lightweight antenna has excellent low frequency performance in a 2” thick profile. This antenna has been qualified using RTCA DO-160G.

  • ≤650 – 8500 MHz, ≤1500 -2750 MHz, ≤3600 – 5900 MHz
  • Excellent Low Frequency Performance
  • Lightweight & Low-Profile
  • Download Spec Sheet

MBA-0188-product

Multi-Band UHF Array (MBA-0188)

Designed for SIGINT, Radar, and ISR applications, this compact, low-profile, single-port antenna is the ultimate all-in-one solution. With an efficiency of over 50% for the aperture across the entire band, the MBA-0188 has unparalleled performance. This versatile antenna can be installed in many locations on an aircraft or on other vehicles. It is mountable onto both on conductive and non-conductive surfaces, and even behind a radome. The output of the antenna is a dual linear polarized antenna with horizontal and vertical polarizations available to the user.

Multi-Band Airborne ISR Antenna (MBA-0202)

Designed for airborne ISR systems, the MBA-0202 is a low-profile, multi-band antenna array with two output ports. This lightweight antenna has excellent low frequency performance in a 2” thick profile. This antenna has been qualified using RTCA DO-160G. Contact us today for more information on mounting.

  • 650 – 1050 MHz, 1500 – 2750 MHz
  • Lightweight & Low-Profile
  • Optional Mounting Accessories
  • Download Spec Sheet

QHA-081 Right-Hand Helix Antenna

Right-Hand Helix Comms Antenna (QHA-081)

Right-Hand, 800-1000 MHz, Helix antenna, circularly polarized. Designed for multiple wireless applications
including in-building communications.

  • 800-1000 MHz
  • Optimal for in-building communications.
  • Also suitable for various other multiple wireless applications
  • Download Spec Sheet

RFID Transducer

RFID Transducer (RFD-8696)

Transducer for short range reading and writing of RFID tags including GEN2 tags. Applications include printers, automation equipment, etc. ROHS Compliant.

UVW-0220 UHF Aerospace Blade Antenna

UHF Aerospace Blade Antenna (UVW-0220)

This UAV and vehicular qualified antenna is designed for ground‐to-ground,ground‐to‐air, and air‐to-ground communications systems. This antenna is optimized for the 225 – 3000 MHz applications with low drag operations. Other applications include communications, SIGINT, ISR, and sensor systems.

  • 225 – 3000 MHz
  • Designed for Ground‐to-Ground,Ground‐to‐Air, and Air‐to‐Ground Communications Systems
  • Suitable for SIGINT, ISR, and Sensor Systemsli>
  • Download Spec Sheet

UVW-0380 VHF/UHF Aerospace Blade Antenna

VHF/UHF Aerospace Blade Antenna (UVW-0380)

This UAV and vehicular qualified antenna is designed for ground‐to-ground,ground‐to‐air, and air‐to‐ground communications systems. This antenna is optimized for the 30 – 800 MHz applications with low drag operations. Other
applications include SIGINT, ISR, and sensor systems. *Available exclusively through distributor.

  • 30 – 800 MHz
  • Designed for Ground‐to-Ground,Ground‐to‐Air, and Air‐to‐Ground Communications Systems
  • Suitable for SIGINT, ISR, and Sensor Systems
  • Download Spec Sheet

UVW-0380A VHF/UHF Aerospace Blade Antenna

VHF/UHF Aerospace Blade Antenna (UVW-0380A)

This UAV and vehicular qualified antenna is designed for ground‐to-ground,ground‐to‐air, and air‐to‐ground communications systems. This antenna is optimized for the 20 – 1200 MHz applications with low drag operations. Other applications include SIGINT, ISR, and sensor systems.

  • 20 – 1200 MHz
  • Versatile
  • Suitable for SIGINT, Radar, and ISR Applications
  • Download Spec Sheet

(UVW-0430 UHF Aerospace Blade Antenna

UHF Aerospace Blade Antenna (UVW-0430)

This UAV and vehicular qualified antenna is designed for ground‐to-ground, ground‐to‐air, and air‐to-ground
communications systems. This antenna is optimized for the 400 – 3000 MHz applications with low drag operations. Other applications include SIGINT, ISR, and sensor systems.*Available exclusively through distributor.

  • 400 – 3000 MHz
  • Designed for Ground‐to-Ground,Ground‐to‐Air, and Air‐to‐Ground Communications Systems
  • Suitable for SIGINT, ISR, and Sensor Systemsli>
  • Download Spec Sheet

(UVW-0430A UHF Aerospace Blade Antenna

UHF Aerospace Blade Antenna (UVW-0430A)

This UAV and vehicular qualified antenna is designed for ground‐to-ground, ground‐to‐air, and air‐to-ground
communications systems. This antenna is optimized for the 400 – 6000 MHz applications with low drag operations. Other applications include SIGINT, ISR, and sensor systems.

  • 400 – 6000 MHz
  • Designed for Ground‐to-Ground,Ground‐to‐Air, and Air‐to‐Ground Communications Systems
  • Suitable for SIGINT, ISR, and Sensor Systems
  • Download Spec Sheet

(UVW-1547 UAV Communications Antenna

UAV Communications Antenna (UVW-1547)

This UAV and vehicular qualified antenna is designed for ground-to-ground, ground-to-air, and air-to-ground communications systems. This antenna is optimized for the L, S, and C-band downlinks with low drag operations. Other applications include SIGINT and sensor systems. A magnetic mount or tubular chassis mounting assembly is optional.

  • 1500 – 4700 MHz
  • Designed for Ground‐to-Ground,Ground‐to‐Air, and Air‐to‐Ground Communications Systems
  • Suitable for SIGINT, ISR, and Sensor Systems
  • Download Spec Sheet

Learn More About Our Monitoring Antenna Products



About Us

JEM Engineering, LLC, specializes in quick-reaction custom antenna development, novel antenna products, and rapid RF testing services for both government and commercial applications. Headquartered in Laurel, MD, engineers at JEM have decades of combined experience in the development and validation of antennas, microwave circuits, phased arrays and associated electronics covering the spectrum from 2 MHz to 40 GHz. JEM is a woman-owned small business.

about-us-snfring