Features: GL0055 Wideband PCB Antenna delivers 1.9GHz-8GHz frequency coverage with 1.2-4dBi gains, ensuring stable signals transmission across diverse communication systems. Engineered with precisions tuned 50Ω impedance and linears polarization, this low VSWR (<2) antenna minimizes signals loss for clear wireless connectivity in professional setups. Ideal for engineers, networking installers, and enthusiasts requiring good performances in communication upgrades or wireless infrastructure optimization. Perfectly suited for bases station deployments, device integration, and field testing scenarios where wideband coverage and compact PCB design are critical. Its FR4 substrates construction meets industrial grade durability standards while maintaining lightweight versatility for seamless integration into modern communication equipment. Specifications: Component:PCB Frequency ranges: 1.9GHz-8GHz Gains: 1.2-4dBi Standing waves:<2 (typical value) Polarization methods: linears polarization Impedance: 50 Ω Antenna optional: female head (external thread inner hole), Package Includes: 1Piece Wideband Antenna note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.