Siglent SSU5183A, 3‑SPDT Mechanical RF Switch, DC–18 GHz, SMA Female

The Siglent SSU5183A is a compact RF mechanical switch box featuring three independent Single-Pole Double-Throw (SPDT) switches. Designed for multi-port testing, it supports DC to 18 GHz frequency range and provides reliable signal routing with low insertion loss and fast switching. The device connects via SMA female ports and is controllable through USB interface using SCPI commands via EasySSU software.

Key Features

• Three independent SPDT switches, enabling flexible routing across three separate signal paths.
• Wide operational bandwidth: DC to 18 GHz, suitable for both RF and microwave applications.
• SMA female connectors, maintaining 50 Ω impedance for minimal insertion loss.
• Controlled via USB and SCPI (through EasySSU software), with TTL-level interface support.
• Compact and rugged enclosure with dimensions: 153 × 62.4 × 137.5 mm—ideal for rack or bench deployment.
• Includes standard accessories: USB cable, power adapter, and user manual.