The Diamond HC100S is a commercial-grade, high-integrity VHF portable antenna system engineered to deliver precision-tuned radiation efficiency and flexible wireless infrastructure for professional handheld transceivers. Operating across the 134 to 174 MHz VHF spectrum, this innovative 1/4-wave field-tunable antenna includes an official factory cutting chart, allowing bench technicians and radio fleet administrators to precisely trim the radiator element to a specific target frequency. It stands as an essential physical infrastructure asset for public safety emergency deployments, marine or industrial logistics coordinates, corporate security fleets, and high-rotation B2B radiocommunication distribution networks.
Built to sustain continuous daily rotation and high mechanical bending fatigue in demanding workplace environments, the internal radiator structure is enclosed within a premium, high-elasticity black polymer protective sheath. The antenna assembly delivers a stable 2.15 dBi nominal system gain with an optimized Voltage Standing Wave Ratio (VSWR < 1.5:1) when calibrated, guaranteeing low-attenuation signal propagation and clean RF matching at a 10-Watt maximum power threshold. Terminated with a precision-milled SMA-Male connector with a flush structural collar, it ensures an absolute vibration-proof, weather-resistant mechanical link directly to the transceiver chassis port to prevent accidental port snapping during field operations.
SPECIFICATIONS & VERIFIED INFRASTRUCTURE FEATURES:
• Component Type: Professional Handheld Field-Tunable VHF Whip Antenna
• Operational Frequency Spectrum: 134 – 174 MHz VHF Frequency Matrix
• Tuning Architecture: Field-cuttable design layout accompanied by an official factory cutting chart
• Electrical Antenna Wave Profile: 1/4 λ (Quarter-Wave) Electromagnetic Topology
• Antenna System Nominal Gain: 2.15 dBi
• Voltage Standing Wave Ratio (VSWR): < 1.5:1 Optimized Impedance Calibration Matrix
• Power Handling Threshold: 10 Watts Maximum Continuous Input Power Rating
• System Nominal Impedance: 50 Ohms (Standard RF Interface Calibration)
• Primary RF Interface Standard: Precision-machined SMA-Male (Plug) connector
• Total Assembly Physical Length: 40 cm (Pre-cut maximum profile)
• Net Hardware Weight: 39 grams
• Radiator Armor Profile: High-flexibility, impact-resistant all-weather black polymer jacket
• Application: Perfect for precisely tuning handheld transceivers to specific business or public service frequencies on technical service benches, upgrading generic multi-band stock antennas, optimizing localized industrial fleet coverage loops, and maintaining high-volume component stock lines for specialized B2B retail distribution channels.
