A double-ridge waveguide to coaxial adapter (right angle) is designed for broadband RF/microwave applications where space constraints or layout requirements demand a 90° transition between waveguide and coaxial interfaces. 🔹 Key Specs: - Waveguide sizes: WRD-180, WRD-650, WRD-750, etc. - Connector types: SMA, N-type, 2.92 mm, 2.4 mm (female) - Frequency range: Typically from 0.84 GHz to 40 GHz - VSWR: As low as 1.2:1 (Scientific Microwave), or 1.5:1 (Pasternack) - Power handling: Up to 100 W CW (varies by model) - Material: Precision-machined brass or aluminum, often silver- or gold-plated - Flanges: UG-style square cover or MIL-spec custom options 🔹 Example Models: - Pasternack PEWCA1111: WRD-650 to N-female, 6.5–18 GHz, 1.5:1 VSWR - SMC-137D180: WRD-180 to 2.92 mm (f), 18–40 GHz, 1.35:1 VSWR - ATM Microwave: Offers full-band and precision low-VSWR models with SMA, Type-N, and K connectors