Concealed & Low-Profile Antenna Products

  • Versatile
  • Ultra-Wideband
  • One Year Limited Warranty

Your Source for Concealed & Low-Profile Antennas

HAS-2438LP

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

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-056-Spiral

6″ Square Spiral Antenna (HSA-056)

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
  • 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-Boxkite

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

HAS-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-2438-Boxkite

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.

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-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.

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

(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-0430 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

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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.

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