Shakespeare 5239 Galaxy Antenna
Best marine antenna for boaters needing reliable cellular and WiFi connectivity.
Boost your boat's connectivity with the Shakespeare 5239 Galaxy Antenna. Engineered for reliable world-band cellular and WiFi, it supports 2G, 3G, 4G LTE, and 802.11n WiFi across a broad frequency range. Its omni-directional pattern ensures wide coverage, while the durable fiberglass construction and internal ground plane are built for marine environments. Installation is simple with a standard 1" x 14 thread mount. This antenna guarantees excellent working order, providing high-gain performance for essential communication needs on the water.
$89.95
Owner Satisfaction
4.7
/ 5
Category Rank
28
/ 1314
#28 in Antennas
Price vs Category Average
-69%
Below average
Material
Fiberglass
/ Fiberglass
Who it's for
- Boaters seeking industry-standard reliability and long-term peace of mind
- Offshore sailors prioritizing reliable long-distance communication
- Boat owners operating in harsh, corrosive saltwater environments
Who should skip it
- DIY enthusiasts lacking experience with complex coaxial wiring
- Budget-conscious boaters looking for entry-level VHF solutions
- Owners of smaller vessels with limited vertical clearance
Performance breakdown
Marine Durability
Fiberglass construction withstands harsh saltwater conditions and constant exposure to elements.
Signal Versatility
Broad frequency support handles everything from legacy 2G to modern LTE.
Installation Simplicity
Standard thread mount makes upgrading your boat's connectivity a straightforward task.
Coverage Pattern
Omni-directional design ensures reliable signal reception without constant manual adjustments.
Signal Gain
Balanced gain performance provides a stable boost for essential maritime communications.
System Compatibility
Passive design integrates seamlessly with most existing cellular and WiFi hardware.
Key Specs
Material
Fiberglass
Frequency Range
698-960/1700-2700 MHz
Antenna Gain
2-3dB @ 698-960 MHz / 3-4dB @ 1700-2700 MHz
VSWR
≤ 1.8
Input Impedance
50 ohm
Maximum Power Rating
100W
Dimensions
9.25" X 2.625"
Mounting
1" X 14 Thread Mount
Features
- World-band cellular and WiFi connectivity
- Supports 2G, 3G, 4G LTE, and WLAN
- Omni-directional for wide coverage
- Durable fiberglass construction
- Internal ground plane included
- Easy standard thread mount installation
- Designed for marine environments
- Full-band broadband coverage
What customers say
Reviewers consistently praise the Shakespeare 5239 Galaxy for its superior quality and unwavering reliability, especially in harsh marine settings. Users frequently highlight the excellent signal reception and robust construction, noting its flawless performance over many years. Although the initial cost is notable, boaters agree the long term durability provides outstanding value. This antenna is widely regarded as the benchmark for serious offshore communication requirements, offering significant peace of mind.
Know before you buy
No, the Shakespeare 5239 is a passive antenna. It does not require a power source to function, as it relies on the signal received from your connected cellular or WiFi device.
Yes, it features a standard 1" x 14 thread mount, which is the industry standard for most marine antenna mounts. It is designed for easy installation on standard boat hardware.
Yes, it is a multi-purpose antenna designed to handle both cellular (2G, 3G, 4G LTE) and 802.11n WiFi signals, making it a versatile choice for marine connectivity.
No, it features an omni-directional radiation pattern. This means it receives and transmits signals from all directions simultaneously, so you do not need to manually adjust or aim it.
Yes, the Shakespeare 5239 is specifically engineered for marine use. Its fiberglass construction is built to withstand harsh saltwater conditions, UV exposure, and the vibrations typical of life on the water.
The internal ground plane allows the antenna to perform consistently without needing a separate metal surface for grounding. This simplifies installation and ensures reliable signal performance even on non-metallic surfaces like fiberglass boat decks.
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$90