Skip to navigation Skip to main content
  • CONTACT US
  • 1(855)500-3044
Select category
  • Select category
  • ACCESSORIES
  • ADS-B SOLUTIONS
  • Aircraft Batteries
    • Aircraft Battery Accessories
    • Battery STC Kits
  • AIRCRAFT ELT
    • ELT Accessories
  • Aircraft Parts
    • Grips
    • LED Lights
  • AIRPLANE SUPPLIES
  • AVIONICS
    • Air Data
    • Airspeed Indicators
    • Altimeters
    • Altitude Holds, Selectors and Alerters
    • Ammeters
    • Annunciation Control Units
    • Antennas
      • Antenna Docks
        • Antenna Dock Accessories
    • Attitude Indicator
    • Audio Panel
    • Autopilot
      • Autopilot Accessories
      • Servos & Actuators
      • Yaw Computers
      • Yaw Controllers
    • Auxiliary Power Unit (APU) Indicators
    • Avionics Accessories
      • CHT Thermocouples
      • Cooling Systems
      • Current Sensors
      • EGT Thermocouples
      • Electrical
        • Lighting Controllers
        • Power Stabilizers
      • Fuel Flow Transducers and Fuel Sensors
      • Intensity Control
      • Pressure Sensors
      • Pressure Transducers
      • RPM Sensors
      • Shunts, Connectors and More
      • Temperature Probes
      • Temperature Sensors
    • Battery Back-Up
    • Carburetor Temperature Indicators and Probes
    • Clock
    • CO Detector
      • CO Detector Accessories
    • Computer Amplifiers
    • Converters
    • Cylinder Head Temperature
      • Eight Cylinder CHT
      • Four Cylinder CHT
      • Nine Cylinder CHT
      • Six Cylinder CHT
    • Dual Fuel Pressure
    • Dual Oil Pressure
    • Dual Oil Temperature
    • EFIS
    • EGT & CHT Combination
    • Emergency Locator Transmitters
    • Engine Analyzer
    • Engine Instruments
    • Exhaust Gas Temperature
      • Eight Cylinder EGT
      • Four Cylinder EGT
      • Nine Cylinder EGT
      • Six Cylinder EGT
    • Flex Custom Function Display
    • Flight Computers and Controllers
    • Flight Data Recorder
    • Flight Instruments
      • Flight Directors
      • Horizontal Situation Indicators
      • Navigation Indicators
      • Pressure Indicators
      • Rate Gyroscopes
      • Slaving Meters
      • Yaw Computers
      • Yaw Controllers
    • Fuel & Manifold Pressure
    • Fuel Flow
    • Fuel Level
      • 0-5V DC Systems
      • Cessna Pennycap
      • For CiES Digital Senders
      • Resistive Float
    • Fuel Pressure & Ammeter
    • Ground Power Units (GPU)
      • 14V Ground Power Units
      • 28V Ground Power Units
      • GPU Accessories
    • Heading Indicator
    • Helicopter Avionics
      • Battery
        • Battery STC Kit
    • Ignition Systems
      • Turbine Engine Exciters
    • Installation Hardware
    • Intercom
    • Inverters
    • Manifold Pressure & Fuel Flow
    • Manifold Pressure & Tachometer
    • NAVCOM
    • Oil Pressure & Temperature
    • Outlets
    • Pressure Sensors
    • Radio & Navigation
      • Amplifiers
    • Relay Units
    • SAM Standby Attitude Module
    • smartPlane System
    • Software & Licenses
    • Stack Avionics
    • Tachometer
    • Torque Indicator
    • Transponder
    • Turbine Engine Instrument
    • Turn and Slip Indicators
    • Turn Coordinators
    • USB
      • USB Chargers
    • Vertical Speed Indicators
    • Voltmeter & Ammeter
    • Weather Radars
    • Wireless Charger
  • Avionics Harnesses
  • Camera
    • External Camera Mounts
      • Accessories
      • Audio Cables
      • Camera Safe Cases
      • Exterior Camera Mounts
        • Anti Vibration
          • VibeX Mounts
        • Camera Style
          • 360 Cameras
          • Cell Phone
          • GoPro
          • Standard – 1/4-20
        • Mount To
          • Handles/Tubes
          • Inspection Cover/Wing Tip/Surface
          • Strut/Skid
          • Tie Downs
        • Mount Type
          • 360 Camera Mounts
          • Bolt/Screw
          • Clamp
          • Helicopter
          • Strap
      • Hardware
      • Interior Camera Mounts
  • Circuit Breaker
  • Coaxial
  • Flight Comfort
    • Seat Cushions & Pillows
  • GPS
  • HANGAR SUPPLIES
    • Bugs
    • Ceramic
    • Gear/Belly
    • Interior
    • Ladders
    • Polishing
    • Waterless Wash
    • Wet Wash
    • Windows
  • Hardware
    • Brackets
    • Bushings
    • Cables
    • Connectors
    • Fittings
    • Nuts
    • Plugs
    • Power
    • Reducers
    • Switches
    • Tools
  • HEADSETS
    • Headset Accessories
  • HOMEBUILDER
    • Homebuilder Accessories
  • IPAD & IPHONE
    • Accessories
    • ArmorGlas Screen Protection
    • Cool Case
    • Knee Docks
    • Kneeboards
    • Panel Mount
      • Accessories
  • Mounts
    • Mount Accessories
    • Mount To
      • Chart Holder
      • Dashboard
      • Glare Screen
      • Hand
      • Leg/Knee
      • Panel
      • Sheet Metal
      • Spar, Strut, Tube
      • Square Bar
      • Sun Visor Rail
      • Windshield/Glass
      • Yoke
    • Mount Type
      • AMPs Pattern
      • Bolted
      • Clamp
      • Clamp Collar
      • Hand
      • Leg/Knee
      • Suction Cup
    • Mountable Adapters
      • GoPro/Camera Adapters
      • GPS/ADSB Adapters
      • X-Naut Adapters
    • Mountable Cradles
      • iPad/Tablet Cradles
      • Phone Cradles
  • Oil Filters
  • OXYGEN SYSTEMS
    • Carbon Monoxide Detectors
    • Experimental
    • Installed
    • On-Demand Oxygen Systems
    • Oximetry and Pressure Sensors
    • Oxygen Accessories
    • Portable
  • Panel Docks
    • Panel Dock Accessories
  • PROFESSIONAL PILOT
    • Accessories
    • Apparel
      • Men's
        • Crew Shirts
      • Women's
        • Crew Shirts
    • Books & Training
    • Flight Bags
    • Flight Planning
    • Headsets
    • In-Flight Supplies
    • Luggage
    • Pre-Flight Supplies
    • Safety & Survival
  • RADIOS & TRANSCEIVERS
    • Handheld
    • Radio and Transceiver Accessories
    • Transceivers
  • Safety
  • Tools
    • Aircraft Tools
    • Bags
    • Cleaning Tools
    • Flashlights
    • Installation Parts
    • Parts Tools
    • Slick Magnetos
    • Testing Equipment
  • Uncategorized
  • Wiring Harnesses
Login / Register
0 Wishlist
0 Compare
0 items $0.00
Menu
CostAero.com | Aircraft and Pilot Supplies CostAero.com | Aircraft and Pilot Supplies
0 items $0.00
Browse Categories
  • Avionics
  • Instruments
  • Wiring Harnesses
  • Oxygen Systems
  • ADS-B Solutions
  • Airframe Parts
  • Books, Videos, & Software
  • Cleaning Supplies
  • Electrical
  • Engine Parts
  • Hardware
  • Professional Pilot
  • Tools
Shop by Brands
Shop by Brands

Category – Airframe Parts – Antennas

HomeCategory – Airframe Parts – Antennas
  • Airframe Parts
    • Grips
    • Antennas ✔️
    • AeroLEDs
    • Cessna Textron Parts Dealer
    • LED Lighting
Show 9 24 36
Add to compare

CI 1125 VOR GS DUAL DIPLEXER/BNC Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 2 Hole Mount & a Aluminum Finish.

Comant
$323.40
The CI 1125 Dual VOR/Dual GS diplexer featuring diplexer circuitry in a small die-stamped housing for high reliability. Provides operation between two VOR receivers and two GS receivers from the same VOR/GS antenna.
Add to wishlist
Add to cart
Quick view
Add to compare

CI 1125-TNC Diplexer with 2 VOR/GS, TNC connectors, and 108-118 MHz and 329-335 MHz

Comant
$426.89
This CI-1125 diplexer (CI-1125TNC) has a TNC connector.
Add to wishlist
Add to cart
Quick view
Add to compare

CI-505 Diplexer | Dual VOR/Single GS, BNC

Comant
$373.25
The CI 505 Dual VOR coupler/single GS diplexer allows the operation of two VOR receivers and one glide slope receiver from one VOR/GS antenna. The compact design provides for easy installation.
Add to wishlist
Add to cart
Quick view
Add to compare

CI 505-TNC Dual VOR / Single Glide Slope Diplexer / TNC connector

Comant
$378.67
This CI-505 Diplexer (CI-505-TNC) has TNC connectors.
Add to wishlist
Add to cart
Quick view
Add to compare

CI 1120 Diplexer | Single VOR/Single GS

Comant
$1,397.40
The CI 1120 diplexer provides operation between a single VOR receiver and a single glide slope receiver from the same VOR/GS antenna. This diplexer offers polarized VOR and GS output connectors.
Add to wishlist
Add to cart
Quick view
Add to compare

CI 507 VOR GS DIPLEXER

Comant
$253.53
The CI 507 VOR/GS Diplexer allows the operation of one VOR receiver and one glide slope receiver from one VOR/GS antenna. The compact design provides for easy installation.
Add to wishlist
Add to cart
Quick view
Add to compare

CI-507 Diplexer VOR G/S

Comant
$446.29
This CI 507 (CI-507-2) has TNC connectors.
Add to wishlist
Add to cart
Quick view
Add to compare

H69-1 Dual NAV/GS Quadraplexer Antenna Coupler | BNC Connectors

Harris Corp.
$536.00
The H69-1 quadraplexer provides in one small lightweight component the ability to operate dual NAVs and dual glide slope receivers from one VOR antenna. The H69- 1 is housed in an aluminum case and all circuit components are fully encapsulated for vibration and waterproof protection.
  • Allows operation of dual NAVS and dual GS receivers from one VOR antenna
  • Reduced insertion loss and provides signal isolation
Add to wishlist
Add to cart
Quick view
Add to compare

DM H23-1 Antenna Coupler | Dual VOR, Single GS, BNC Connector

Harris Corp.
$448.00
The H23-1 dual VOR and single GS triplexer permits operation of two NAV and one glides slope receiver from one VOR/GS antenna. The unit is housed in an aluminum case and all circuit components fully encapsulated for vibration protection as well as waterproof protection.
  • Instrument landing system redundant couplers
  • Minimum insertion loss
Add to wishlist
Add to cart
Quick view
Add to compare

DM H24-1 Antenna Coupler | Dual GS, BNC Connector

Harris Corp.
$390.00
The H24-1 Dual Glide Slope Diplexer allows operation of two glide slope receivers from one glide slope antenna. The unit is housed in an aluminum case and all circuit components fully encapsulated for vibration protection as well as waterproof protection.
  • Instrument landing system redundant couplers
  • Minimum insertion loss
Add to wishlist
Add to cart
Quick view
Add to compare

DM H21-1 Antenna Coupler | Includes Marker Beacon Support

Harris Corp.
$358.00
The H21-1 dual VOR or dual marker beacon diplexer will permit operation of two NAV receivers form one VOR antenna or two marker beacon receivers from one marker beacon antenna. The unit is housed in an aluminum case and all circuit components fully encapsulated for vibration protection as well as waterproof protection.
Add to wishlist
Add to cart
Quick view
Add to compare

DM H22-1 Antenna Coupler | Single VOR, Single GS, BNC Connect

Harris Corp.
$780.00
The H22-1 single VOR and single GS diplexer will permit operation of one NAV and one glide slope receiver from one VOR antenna. The unit is housed in an aluminum case and all circuit components fully encapsulated for vibration protection as well as waterproof protection.
  • Instrument landing system redundant couplers
  • Minimum insertion loss
Add to wishlist
Add to cart
Quick view
Add to compare

CI 5120 Antenna Splitter | Dual VOR/LOC/GS, BNC

Comant
$419.24
The CI 5120 Dual VOR/LOC/GS splitter is designed to be used the Garmin GNS 580 and similar systems that have a single input for VOR/LOC and GS. The CI 5120 splits a single coax antenna input into equally proportioned VOR/LOC/GS outputs, allowing operation of two single input receiver from one antenna.
Add to wishlist
Add to cart
Quick view
Add to compare

AV-590 Electronic COM Switch | 28V

RA Miller Industries
$470.00
28 VDC
Add to wishlist
Add to cart
Quick view
Add to compare

Coaxial Power Splitter/Combiner | BNC with Bracket

EDMO
$185.00
The ZFSC-2-1B is a coaxial power splitter/ combiner for VHF/UHF, instrumentation, and communication systems. This part comes with a bracket and BNC connectors. This splitter/combiner features wideband 5 MHz to 500 MHz frequency range, low insertion loss, excellent isolation, good VSWR of 1:2:1, and a rugged shielded case. Includes the bracket option.
Add to wishlist
Add to cart
Quick view
Add to compare

VOR GS POWER COMBINER/BNC Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms

Comant
$432.77
The CI 120 series VOR/GS power combiners are either a two-input and one output, or two input and two output power combiner designed for the CI 120G/S blade set. It combines VOR/LOC and GS signals from individual blades and are typacally used with one or two coaxial cable runs to feed NAV1 or NAV2 receivers.
Add to wishlist
Add to cart
Quick view
  • ←
  • 1
  • 2
  • 3
  • …
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • →
ABOUT

Customer Service is #1

CostAero.com delivers award winning customer service, top brands, and a 100% satisfaction guarantee.  We will price match and beat any competitors prices when permitted by retail requirements.   Give us a call, let us go to work for you finding the best solution, best price, and more!  There is a reason we have rapid growth, come see why everyone chooses CostAero.com as their supplier.

CONTACT / LOCATION / HOURS

Phone: (855) 500-3044

E-Mail: Sales@CostAero.com

Location:

13203 SE 172nd Ave Ste 166 #374

Happy Valley, OR 97086

Hours: 8 am PST – 7PM PST  Monday – Sunday

SHOP BY BRANDS

Cost Aero features many powerful brands of Aviation Manufacturers. Find the brand you need by Shopping by Brand

 

Store Information
  • Returns
  • Privacy Policy
  • Terms & Conditions
  • Contact Us
  • Facebook
  • LinkedIn
  • Twitter
  • Instagram
© 2025 CREATED BY COSTAERO.com
#
  • Avionics
  • Instruments
  • Wiring Harnesses
  • Oxygen Systems
  • ADS-B Solutions
  • Airframe Parts
  • Books, Videos, & Software
  • Cleaning Supplies
  • Electrical
  • Engine Parts
  • Hardware
  • Professional Pilot
  • Tools
  • Wishlist
  • Compare
  • Login / Register
Shopping cart
Close
Please make an account to purchase
Sign in
Close

Lost your password?

No account yet?

Create an Account
Facebook X Instagram linkedin