Quantic PMI Model ISO-1826D5-16-SMF is an isolator that operates over the frequency range of 18 to 26.5 GHz with a maximum insertion loss of 1.6 dB and a minimum isolation of 16 dB. Package size is 0.945" x 0.394" x 0.366" and is outfitted with a SMA male input connector and a SMA female output connector.