PMI Model No. 11DP-11R5/16R5-CD-SFF-1 is a diplexer that offers passbands at 10.75 to 12.25 GHz and 15.75 to 17.25 GHz.  The passband insertion loss is less than 3dB and the VSWR is 1.5:1 maximum.  Filter channel 1 has a passband of 10.75 to 12.25 GHz and offers -50 dBc of rejection at 10.25 GHz and -75 dBc of rejection at 13.75 GHz.  Filter channel 2 has a passband of 15.75 to 17.25 GHz and offers -50 dBc of rejection at 17.75 GHz and -75 dBc of rejection at 14.25 GHz. 

Insertion loss flatness of +/-0.3 dB Max. across the passband is achieved with fine tuning and silver plated metal.  The housing measures 3.5" x 1.4" x 0.5" and is offered with field removable SMA female connectors.   

• Center Frequencies, Fo: 

                        Filter #1: 11.5 GHz

                        Filter #2: 16.5 GHz

• Passband Frequencies:

                        Filter #1: 10.75 to 12.25 GHz

                        Filter #2: 15.75 to 17.25 GHz

• Passband Insertion Loss:  3 dB Max - Measured 1.67 dB
• Passband Flatness:  ±2.0 dB Typ, ±3.0 dB Max - Measured ±0.16 dB
• Passband VSWR: 1.5:1 Max - Measured 1.4:1
• Rejections:

                        Filter #1: -50 dBc @ 10.25 GHz - Measured -64 dBc

                        -75 dBc @ 13.75 GHz - Measured -85 dBc

                        Filter #2:  -50 dBc @ 17.75 GHz - Measured -64 dBc

                        -75 dBc @ 14.25 GHz - Measured -85 dBc

PMI Website Link: http://www.pmi-rf.com/Products/filters/11DP-11R5-16R5-CD-SFF-1.htm