NAVCOM A157 ACTIVE DSC Receiver Antenna – Marine Communication Antenna by SEANAV
Reliable marine communication is critical for vessel safety, especially during emergencies. The NAVCOM A157 ACTIVE DSC Receiver Antenna is designed to ensure uninterrupted reception of Digital Selective Calling (DSC) signals. At SEANAV, we supply, install, and service this high-performance antenna to support GMDSS-compliant systems, helping vessels stay connected across global waters.

Why the NAVCOM A157 ACTIVE DSC Antenna Is Essential
DSC is the internationally accepted communication standard for marine distress alerts and safety messages. The NAVCOM A157 ACTIVE DSC Receiver Antenna enhances DSC signal reception by using built-in amplification, making it ideal for installations on SOLAS and non-SOLAS vessels. It ensures you never miss crucial maritime messages, even in high-interference areas or during adverse weather conditions.

SEANAV – Your Trusted Marine Navcom Service Provider
- Experienced Navcom technicians onboard and in-port
- Specialized in GMDSS and DSC system integration
- Worldwide antenna installation and support
- Maintenance, fault finding, and component replacement
- 24/7 global technical assistance
NAVCOM A157 ACTIVE DSC Receiver Antenna – Key Features
- Built-in signal amplifier for extended range
- Compact and corrosion-resistant housing
- Compatible with all DSC-capable VHF radios
- Easy installation with standard mounting options
- Reliable performance in offshore conditions
Frequently Asked Questions (FAQ)
1. What does the NAVCOM A157 antenna do?
It actively receives Digital Selective Calling (DSC) signals, improving your vessel’s communication reliability.
2. Is it compatible with all radios?
Yes, it works with all DSC-enabled marine VHF radios and GMDSS consoles.
3. Can SEANAV install the antenna onboard?
Yes, SEANAV provides full onboard and dockside installation services globally.
4. Does the antenna have an amplifier?
Yes, it is an active antenna with a built-in amplifier to boost signal reception.
5. Is it suitable for SOLAS vessels?
Yes, it complies with IMO and GMDSS requirements, making it suitable for SOLAS-certified vessels.
6. Can I use this in high-interference zones?
Yes, the amplifier ensures clearer signal reception even in congested or noisy RF environments.
7. What power source does it need?
The A157 requires a DC power supply to operate the built-in amplifier.
8. What’s the antenna’s operational range?
Depending on installation and environment, it typically covers 25–40 nautical miles.
9. Is it waterproof?
Yes, it has a fully sealed, marine-grade enclosure that’s waterproof and corrosion-resistant.
10. Does SEANAV offer spare parts?
Yes, we offer replacement mounts, connectors, cables, and power adapters.
11. Can the antenna be integrated with older Navcom systems?
Yes, our technicians can retrofit it into legacy systems while ensuring full DSC compliance.

SEANAV ensures your vessel’s Navcom systems meet the latest marine communication standards. Choose the NAVCOM A157 ACTIVE DSC Receiver Antenna for dependable DSC signal reception and safer voyages. Contact us today for installation or service.
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