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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
For Your Every Summer RSVP, with Code: SUMMER15
Description
Digital Antenna 578-SW 4' AIS AntennaAIS Antennas 4' Length, 4. 5dB Gain In conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna created a series of 4 AIS antennas that meet the exacting AIS frequency requirements. Designed with a low 1. 5: 1. 0 SWR ratio from 159 162 MHz, Digital Antennas 4. 5 dB gain AIS antennas offer unsurpassed durability and performance compatible with all AIS transponders. Customers and installers
AIS Antennas4' Length, 4.5dB Gain
In conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna created a series of 4 AIS antennas that meet the exacting AIS frequency requirements. Designed with a low 1.5:1.0 SWR ratio from 159-162 MHz, Digital Antennas 4.5 dB gain AIS antennas offer unsurpassed durability and performance compatible with all AIS transponders.
Customers and installers love the 500 GOLD Series easy installation connector system. The gold factory-attached mini-UHF female connector with PL-259 (UHF) adapter makes connecting to the AIS transponder easy, eliminating the need to solder connectors.
All of our antennas are made in the USA, assembled, tested and tuned by hand for maximum performance, quality and durability.
All 4' AIS Antennas Feature:
- Powerful brass radiators
- Soldered connections
- Power directing ferrite choke bead
- High gloss urethane finish
- 316 stainless steel ferrule
- 4.5dB gain
500 GOLD Series
- Mount: Standard 114 threaded base
- Connector: Gold factory-attached mini-UHF female with mini-UHF male to UHF male (PL259) adapter
- Cable: Includes 25 of our low-loss, tinned braid, foil shielded, UV stable RG-8X marine cable
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Manufacturer Part Numbers: 578-SW
Quick Guide (PDF)
Installation Guide (PDF)
GRP:WRO
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
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Product Reviews
★★★★★ 5
Daily part of kitchen routine.
Size: 7in-150 count
I've ordered these plates twice and used them on a daily basis. They are durable and economical. Love them!
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Good plates
Size: 10 in-140 count
Good sturdy plates
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Reviewed in the United States on April 17, 2026
★★★★★ 4
Durability
Size: 10 in-140 count
Great for any occasion. Product is sturdy.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Good quanity for price
Size: 10 in-140 count
Plates are plates.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Durable Paper Plates
Size: 10 in-140 count
Durable paper plates - 10 inch perfect size and very durable
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Reviewed in the United States on May 25, 2026