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Alpha Delta Communications

Alpha Delta Communications

Alpha Delta Communications coax switches and coax surge protectors have been protecting sensitive communications gear for years. And the company’s limited space antennas...

Alpha Delta Communications coax switches and coax surge protectors have been protecting sensitive communications gear for years. And the company’s limited space antennas have survived hurricane-force winds. Why not bring that same proven Alpha Delta performance and reliability to your amateur radio setup, too? For over 30 years, Alpha Delta Communications has been a leading manufacturer of coaxial surge protectors, coaxial switches, HF fixed wire antennas, and more. We’ve got Alpha Delta coax switches, single and parallel dipoles, replacement arc plugs, surge protectors, and more. Shop DX Engineering now!

Alpha Delta Communications coax switches and coax surge protectors have been protecting sensitive communications gear for years. And the company’s limited space antennas have survived hurricane-force winds. Why not bring that same proven Alpha Delta performance and reliability to your amateur radio setup, too? For over 30 years, Alpha Delta Communications has been a leading manufacturer of coaxial surge protectors, coaxial switches, HF fixed wire antennas, and more. We’ve got Alpha Delta coax switches, single and parallel dipoles, replacement arc plugs, surge protectors, and more. Shop DX Engineering now!

Individual Parts

Results 1 - 25 of 42

Coax Switch, 4-port, Rated Through 500 MHz, UHF Female, SO-239, Each

Part Number: ALF-DELTA-4B

4.86 out of 5 stars ( 153 )

Estimated Ship Date: Dec 9, 2026 if ordered today

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Estimated Ship Date: Dec 9, 2026 if ordered today

Dipole Antenna, Monoband, Adjustable, 2,000 W, 80 meters, Assembled DELTA-C and 12 AWG, 134 ft. Total Length, Each

Part Number: ALF-DX-80

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Coax Switch, 2-port, Rated Through 1.6 GHz, TNC Female, Each

Part Number: ALF-DELTA-2B-TNC

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Surge Protector, Coaxial, DC Pass, Type F, Female, 75 ohm, 50 ohm compatible, 2,000 W, Each

Part Number: ALF-ATT3G50FHP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Parallel SWL Dipole Antenna, Multi-Band, 2,000 W, 13 to 120 meters, 80 ft., Assembled, Each

Part Number: ALF-DX-ULTRA

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2027 if ordered today

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Estimated Ship Date: Apr 2, 2027 if ordered today

SWL Sloper Antenna, Multi-Band, 1,000 W, 13 to 120 meters, 60 ft., Assembled, Each

Part Number: ALF-DX-SWL

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Surge Protector, Coax, DC Pass, NO MOUNT STUD, RIGHT ANGLE UHF Male PL-259 to UHF Female SO-239, 2,000 W, Each

Part Number: ALF-AT3G50UM90HP

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2027 if ordered today

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Estimated Ship Date: Apr 2, 2027 if ordered today

Replacement Arc-Plug for Tee-Connector Old Style Model LT ONLY, NOT compatible for ATT3G, Each

Part Number: ALF-LT-ARC-PLUG

Not Yet Reviewed

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Wire Antenna Center and End Insulator, With Support Rope Attachment and Feedpoint SO-239 w/SEP arc-plug, Kit

Part Number: ALF-DELTA-C

4.89 out of 5 stars ( 44 )

Estimated Ship Date: Today

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End Insulator, 2.920 in. Length, 4 gauge Maximum Wire Size, 0.250 in. Maximum Rope Size, Each

Part Number: ALF-DELTA-CIN

4.95 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Dipole Antenna, Monoband, Adjustable, 2,000 W, 20 meters, Assembled DELTA-C and 12 AWG, 34 ft. Total Length, Each

Part Number: ALF-DX-20

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Dipole Antenna, Monoband, Adjustable, 2,000 W, 40 meters, Assembled DELTA-C and 12 AWG, 67 ft. Total Length, Each

Part Number: ALF-DX-40

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Surge Protector, Coaxial, DC Pass, UHF Female, SO-239, XL 1.50 in. Thru-Panel Bulkhead Mount, 200 W, Each

Part Number: ALF-AT3G50UBXL

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Parallel Dipole Antenna, Multi-Band, Resonant, 1,000 W, 160, 80, 40, 20, 15, 10 M, 100 ft., Assembled, Each

Part Number: ALF-DX-LBPLUS

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Coax Switch, 4-port, Rated Through 1.3 GHz, N Type, Female, Each

Part Number: ALF-DELTA-4B-N

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Surge Protector, Coaxial, DC Pass, Type F, Female, 75 ohm, 50 ohm compatible, 200 W, Each

Part Number: ALF-ATT3G50F

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Parallel Dipole Antenna, Multi-Band, Resonant, 1,000 W PEP/CW, 250 W RTTY, 80, 40, 20, 15, 10 meters, 82 ft. Total Length, Assembled, Each

Part Number: ALF-DX-CC

4.68 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Single Wire Dipole Antenna, Multi-Band, Resonant, 1,000 W PEP/CW, 250 W RTTY, 80, 40 meters, 82 ft., Assembled, Each

Part Number: ALF-DX-DD

4.75 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Parallel Dipole Antenna, Multi-Band, Resonant, 1,000 W PEP/CW, 250 W RTTY, 40, 20, 15, 10 meters, 40 ft. Assembled, Each

Part Number: ALF-DX-EE

4.36 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Tee-Connector Type Coaxial Lightning Protector, Old Style, Model LT, DC Pass, 200 W, UHF Female, SO-239, Each

Part Number: ALF-LT

4.0 out of 5 stars ( 2 )

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Arc Plug, Gas Tube Static Bleeder Type, Each

Part Number: ALF-SEP

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Surge Protector, Coaxial, DC Pass, Type N Male to Type N Female, Stud Mount, 2,000 W, Each

Part Number: ALF-ATT3G50MHP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Arc-Plug, Replacement for Alpha Delta Coaxial Switches Only, Each

Part Number: ALF-D4

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Surge Protector, Coaxial, DC Pass, Type N, Female, Thru-Panel Bulkhead Mount, 200 W, Each

Part Number: ALF-ATT3G50B

Not Yet Reviewed

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Surge Protector, Coaxial, DC Pass, Type N, Female, Thru-Panel Bulkhead Mount, 2,000 W, Each

Part Number: ALF-ATT3G50BHP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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