The Diamond SE-100 Dual Band Marine Base Antenna is a professional-grade, high-integrity radiating asset precision-engineered to deliver elite signal tracking and long-range voice clarity across coastal installations and high-tier maritime base networks. Developed as a high-gain standalone vertical station, this premium fiberglass outer casing radiator provides absolute atmospheric shielding against saltwater spray, intense UV exposure, and persistent ambient moisture loops. It stands as an essential infrastructure component for harbor logistics offices, yacht fleet dispatch stations, marine scanners, and B2B telecommunications hardware distribution networks looking to source authentic, heavy-duty coastal radio antennas.
The advanced internal phasing network features a high-performance collinear stack structured as a Type 2 x 5/8 wavelength array at 144MHz and a 4 x 5/8 wavelength array at 430MHz. This sophisticated internal layout concentrates radiation toward the horizon, achieving an exceptional gain profile of 6.0dBi on the 144MHz band and 8.0dBi on the 430MHz band. Operating cleanly across the frequency brackets of 144-146MHz (2m) and 430-440MHz (70cm), the antenna maintains a remarkably flat stationary (VSWR) curve of less than 1.5:1 into a system nominal impedance of 50 ohms, dropping the risks of power reflection loops or early transceiver front-end fatigue.
Built to withstand severe offshore storms and structural movement, the heavy-duty fiberglass radome boasts an engineering-optimized nominal wind speed survival rating of 50m/sec. The antenna handles a high maximum power throughput up to 150W (PEP), enabling its deployment alongside high-tier analog or digital VHF/UHF base transceivers. Measuring a total physical length of 2.25m with a net weight of 1.5kg, the station links directly into coaxial arrays via a low-loss, gas-tight MJ terminal base. Included heavy-duty mounting hardware adapts cleanly to clamp onto a wide mast diameter variance from 25mm to 100mm, ensuring a flexible and secure structural fit for long-term field stability.
Technical Specifications
| Technical Parameter | Specification |
|---|---|
| Brand | Diamond Antenna Genuine Line |
| Model Designation | SE-100 / SE100 Marine Edition |
| Component Classification | Dual-Band Collinear Vertical Base Station Antenna |
| Active Frequency Allocation | 144 – 146 MHz (2-Meter Band) / 430 – 440 MHz (70-Centimeter Band) |
| System Gain Metric | 6.0 dBi (at 144MHz) / 8.0 dBi (at 430MHz) for low-angle coverage |
| Antenna Radiator Type | 2 x 5/8 wavelength collinear design (144MHz) / 4 x 5/8 wavelength collinear design (430MHz) |
| Maximum Transmit Power | 150 Watts maximum power limit (150W PEP threshold) |
| Impedance & VSWR Bounds | 50 Ohms line matched with Stationary (VSWR) level lower than 1.5:1 |
| Primary Interface Connector | MJ Connection Terminal (UHF Female / SO-239 configuration) |
| Radome Housing Outer Material | Heavy duty, high-density weather-proof fibreglass outer casing shell |
| Environmental Wind Resistance | Nominal wind speed survival threshold up to 50 meters per second (50m/sec) |
| Structural Dimensions | Length: 2.25 meters total vertical height footprint (Weight: 1.5kg) |
| Mast Installation Fitment | Accommodates a support mast diameter ranging from 25mm to 100mm |
| Primary Fleet Utility Purpose | Maritime base station outfitting, coastal tracking stabilization, low-loss broadband duplexing, and warehouse reserve stock |
Package Content
- 1x Diamond SE-100 Fiberglass Dual-Band Base Antenna Element
- 1x Heavy-Duty Mechanical Mast Mounting Bracket Assembly Kit (U-bolts for 25-100mm masts)
- 1x Factory Technical Staging & Field Alignment Manual Guide
