PMI Model DD-10M18G-ZBS-SMF-ROHS is a zero bias schottky diode detector operating over the 0.01 to 18 GHz frequency range with a frequency flatness of ±1 dB; sensitivity of 0.5 ± 0.05 mV/µW; negative polarity and a capacitance of 30 pf. Package size is 1.3" x Ø0.031" with SMA male / female connectors. ROHS Compliant.