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Description
Digital Antenna 578-SB 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-SB
Quick Guide (PDF)
Installation Guide (PDF)
GRP:WRO
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Product Reviews
★★★★★ 1
Weak
Format: Paperback
I very weak primer on apologetics. The author is really not convinced himself; so, it is difficult for him to present convincing arguments.
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Reviewed in the United States on February 9, 2013
★★★★★ 5
Helpful for newcomer
Format: Hardcover
I find this book helpful as a new MSK provider. A video component addition would be eben better
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Reviewed in the United States on January 12, 2023
★★★★★ 5
Wonderful educational textbook
Format: Hardcover
Wonderful educational textbook. Gets to the "meat". Short easy to understand site specific references that are good for the beginner or the pro.
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Reviewed in the United States on October 6, 2016
★★★★★ 4
Nice work. Thanks a lot
Format: Kindle
"From practice into practice". Nice work. Thanks a lot.
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Reviewed in the United States on November 24, 2014
★★★★★ 5
Excellent Reference
Format: Kindle
I particularly like Pearls and Pittfalls. These make me mentally prepared before I start a proceedure. Excellent preparation for interventions.
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Reviewed in the United States on October 18, 2015