If the photograph is clicked, it grows.

ADVANTEST THK097 300KHz-500MHz L-Bridge
JPY40,000 3 stock
par1013

Low Band Bridge 300KHz-500MHz Loss 15dB
RF-Switch input SMA(f)
IN reflection Input SMA(f)
Mixer Output SMA(f)
Switch control DC5V on Reflection to Mixer
Size 56mm*27mm*14mm