Digital Antenna - 578-SB 4' AIS Antenna
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Discover the Marine Marvel: AIS Antennas
For vessels aiming to meet the USCG Automatic Identification System (AIS) requirements, Digital Antenna presents its impeccable range of 4' AIS antennas. Not just any antenna, but a meticulously crafted piece that aligns perfectly with AIS frequency necessities. Its matchless compatibility with all AIS transponders ensures a smooth marine experience.
Specifications That Speak Volumes
Each AIS antenna is designed with an impressively low 1.5:1.0 SWR ratio, spanning from 159-162 MHz. Thanks to Digital Antenna's dedication, the 4.5 dB gain on these antennas promises superior durability and unmatched performance.
Dimensions of Distinction
The AIS antennas boast a length of 4' and have a 4.5dB Gain, making them ideal for marine communication needs.
Dive into the Details
The renowned 500 GOLD Series is not only known for its top-notch performance but also for its simplistic installation connector system. Its unique gold factory-attached mini-UHF female connector with a PL-259 (UHF) adapter makes the connection to the AIS transponder a cakewalk. Say goodbye to the tedious soldering of connectors!
Domestic Excellence
Quality is a commitment at Digital Antenna. Each of our antennas is proudly made, assembled, tested, and tuned in the USA. Handled with precision and care, they embody unmatched performance, supreme quality, and long-lasting durability.
Highlighting Excellence
- Brass radiators that exude power
- Perfectly soldered connections
- Efficient power-directing ferrite choke bead
- Elegant high gloss urethane finish
- Sturdy 316 stainless steel ferrule
- Consistent 4.5dB gain
Gold Series Gleam
- Mount that fits the standard 114 threaded base
- Ready-to-use gold factory-attached mini-UHF female connector
- 25 feet of UV stable RG-8X marine cable, marked by its low-loss, tinned braid and foil shielding
Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.
Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.
Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.
Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.
Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.
Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.
To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.
We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.