Electronic device, radio frequency system, modern architecture, futuristic design, metallic casing, LED indicators, buttons and knobs, sleek lines, silver and black color scheme, high-tech interior, circuit boards, wires and cables, antennae, signal processing units, amplifiers, transmitters, receivers, oscillators, filters, modulators, demodulators, frequency synthesizers, phase-locked loops, microcontrollers, FPGA, PCB design, schematic diagrams, technical drawings, 3D modeling, isometric view, softbox lighting, detailed textures, realistic rendering.