BIG SIGNAL 6BS-446
6-Element Directional Quad for High-Performance PMR446 Operation
The BIG SIGNAL 6BS-446 is a 6-element directional Cubical Quad specifically developed for operators looking for higher gain, greater directivity, and improved weak-signal reception on the PMR446 band.
Band: PMR446 / 446 MHz
Configuration: 6 Quad elements
Elements: Full-wave closed loops
Type: Single-band directional antenna
Boom Length: 1.13 m / 3.71 ft
Assembly: Quick assembly with preassembled elements
Recommended Use: Directional links / weak-signal operation / fixed stations
Key Features
• 6 Full-Wave Quad Elements
The 6BS-446 uses a geometry based on full-wave closed-loop elements, specifically optimized for operation at 446 MHz.
• High Gain and Directivity
Its 6-element configuration concentrates RF energy in the desired direction, improving performance when working challenging directional links and weak signals.
• Excellent Signal-to-Noise Performance
The combination of directivity, off-axis rejection, and closed-loop elements can provide cleaner reception in the presence of certain types of noise and interference.
• High Performance in a Compact Package
With a boom length of only 1.13 m / 3.71 ft, the 6BS-446 provides an excellent balance of gain, size, and ease of installation.
• Quick Assembly
Its preassembled elements simplify installation and reduce the time required to get the antenna ready for operation.
• A Different Alternative to a Conventional Yagi
While many Yagi antennas use open elements approximately one-half wavelength long, the 6BS-446 uses full-wave closed Quad elements, providing a different design approach that is especially attractive when high performance is required in a compact footprint.
BIG SIGNAL 6BS-446 Advantages
• 6 Quad elements optimized for 446 MHz.
• High directivity for directional links and weak signals.
• Excellent signal-to-noise performance.
• Only 1.13 m / 3.71 ft of boom length.
• Preassembled elements for quick installation.
• Designed for high-performance PMR446 operation.
More Control Over Your Signal. More Possibilities on 446 MHz.
BIG SIGNAL 6BS-446 – a compact 6-element directional Quad designed to deliver gain, selectivity, and serious performance on PMR446.
Technical Specifications
• Frequency Range: 446–447 MHz
• Elements: 6 elements, long-spacing configuration
• Gain: 12.6 dBi (Free Space)
• Front-to-Back Ratio: 22.97 dB
• Beamwidth: 44°
• SWR: 1.1:1–1.5:1
• Maximum Power: 1,000 W PEP
• Boom Length: 1.13 m / 3.71 ft
• Turning Radius: 0.45 m / 1.48 ft
• Overall Height: 0.175 m / 6.89 in
• Weight: 1.1 kg / 2.43 lb
• Wind Survival: > 200 km/h / 124 mph
• Wind Load: 0.027 m² / 0.29 ft² | 21.35 N / 4.80 lbf | @ 120 km/h / 75 mph
High Performance on Just 1.13 m / 3.71 ft of Boom
With 12.6 dBi of gain, a 22.97 dB front-to-back ratio, and a 44° beamwidth, the 6BS-446 combines high directivity with an exceptionally compact footprint.
Construction & Materials
• Mast Mount: clamp for masts up to 50 mm / 1.97 in in diameter
• Boom: 20 × 2 mm / 0.79 × 0.08 in square aluminum profile
• Elements: 8 × 4 mm / 0.31 × 0.16 in fiberglass tubing with UV-protective coating
• Hardware: W4 stainless steel
• Wire: BIG SIGNAL Wire, special copper wire with a polyethylene (PE) jacket for excellent weather protection and high mechanical strength
• RF Connection: N-type connector
Compact in Size. Big on Performance.
Weighing only 1.1 kg / 2.43 lb with a boom length of just 1.13 m / 3.71 ft, the BIG SIGNAL 6BS-446 delivers outstanding performance for a directional antenna of its compact size.
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