OPT -04 compatible with 350k type connector.

The ultimate in rapidly tuned selectivity for difficult collocated HF systems applications systems applications. Operable as either a preselector or a postselector, the digitally tuned RF-591A provides the high selectivity needed for difficult collocated HF system designs, together with the tuning speeds necessary for modem communications protocols such as automatic link establishment (ALE).

SPECIFICATIONS:
• Frequency Range Bandpass Filter: 2.0 to 30 MHz
• Frequency Range Lowpass Filters: 10 kHz to 2.0 MHz
• Bandpass Filter Selectivity >60 dB at +10% from tuned frequency
• Noise Figure High Gain: 10 dB nominal Low Gain: 20 dB nominal

Additional specifications available upon request. "