The Avair AV-SW4M is a commercial-grade, heavy-duty 4-position coaxial antenna switch precision-engineered to streamline multi-antenna routing for professional base stations, technical workshops, and high-frequency communication centers. Enclosed in a rugged, shielded metal casting with integrated lateral mounting holes for secure bench or wall installation, this mechanical RF selector allows operators to instantly switch a single transceiver among four separate antenna systems, or vice versa. Operating seamlessly across an extended frequency spectrum up to 900 MHz, it provides an efficient hardware utility for clean wire management and rapid hardware configuration changes.
Built to sustain high-power industrial deployment shifts, the AV-SW4M features an optimized internal cavity design that delivers outstanding isolation parameters (up to 60 dB) and exceptionally low insertion loss to preserve signal integrity. The top interface architecture houses four heavy-duty PL female (SO-239) output ports clearly labeled 1 through 4, while the common input port is positioned at the lower base. Port selection is managed via a high-visibility, smooth-action blue central rotary wing-nut controller, ensuring a reliable mechanical detent and stable electrical contact under continuous professional use.
SPECIFICATIONS & VERIFIED RF PARAMETERS:
• Component Type: Professional 4-Way Coaxial Antenna Switch Assembly
• Operational Frequency Range: From DC up to 900 MHz
• Interface Input Connector: 1x heavy-duty PL female (SO-239) socket
• Interface Output Connectors: 4x heavy-duty PL female (SO-239) sockets
• Maximum Power Capacity Ratings:
– Up to 30 MHz: 1.5 KW (1500 Watts)
– 30 MHz to 200 MHz: 1 KW (1000 Watts)
– 200 MHz to 500 MHz: 500 W
– 500 MHz to 900 MHz: 1250 W
• Insertion Loss Parameters:
– Up to 500 MHz: ≤ 0.1 dB
– 500 MHz to 900 MHz: ≤ 0.2 dB
• Port-to-Port Isolation Performance:
– Up to 500 MHz: ≥ 60 dB
– 500 MHz to 900 MHz: ≥ 55 dB
• Voltage Standing Wave Ratio (SWR):
– Up to 500 MHz: ≤ 1.10
– 500 MHz to 900 MHz: ≤ 1.25
• Application: Perfect for organizing multi-band amateur radio base stations, outfitting commercial dispatch centers, structuring telecom testing labs, and maintaining high-turnover RF accessories for specialized B2B telecommunication distribution networks.
