SW-3 Antenna Switch 3-Way, N-Type, 1.5kW HF, DC–1500MHz

The SW-3 is a high-power 3-way coaxial antenna switch with N-type sockets, covering DC to 1500MHz and rated for up to 1.5kW on HF — suitable for amateur radio, HF, VHF, UHF, and microwave installations where high power handling and very low insertion loss are required. Four N-type sockets in total: one common port and three switched ports.

The SW-3 offers lower insertion loss than the SW-4 across the full frequency range, making it the preferred choice where signal integrity is the priority. For a 4-way version, see the SW-4.

Key Features

• Type: 3-way coaxial antenna switch
• Sockets: 4 × N-type (1 common + 3 switched)
• Frequency range: DC–1500MHz
• High power handling — up to 1.5kW on HF
• Lower insertion loss than SW-4

Technical Specifications

• Frequency: DC–1500MHz
• Power: DC–30MHz: 1.5kW | 30–200MHz: 1kW | 200–500MHz: 500W | 500MHz–1GHz: 250W | 1–1.5GHz: 150W
• Insertion loss: DC–500MHz: >0.05dB | 500MHz–1GHz: >0.1dB | 1–1.5GHz: >0.15dB
• Isolation: DC–500MHz: >1.10 | 500MHz–1GHz: >1.15 | 1–1.5GHz: >1.20