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Model: DC020400-1092

50 Ohm 10±0.7dB 2.92-Female Directional Coupler From 2-40 GHz Rated at 20 Watts
40 GHz, 2.92-Female Directional Coupler;
Ultra Broadband, Multi-Octave;
Main Line VSWR 1.7, Freq. Flatness ±0.8dB;
Operating Temperature: -55 to +105℃

Frequency Range | GHz : 2-40
Impedance | Ω : 50
Main Line VSWR | Max. : 1.7
Coupling VSWR | Max. : 1.7
Insertion Loss | dB Max. : 2.1
Nominal Coupling | dB Limits : 10±0.7
Freq. Flatness | dB Max. : ±0.8
Directivity | dB Min. : 10
CW Power | W Max. : 20
Peak Power | KW Max. : 3

From : http://pandamw.com/product/2-40-ghz-10-0-7db-directional-coupler/

Model: DC060180-20SA

50 Ohm 20dB SMA-Female Directional Coupler From 6-18GHz Rated at 20 Watts
18 GHz, SMA-Female Directional Coupler;
Ultra Broadband, Multi-Octave;
Main Line VSWR 1.4, Freq. Flatness ±0.5dB;
Operating Temperature: -55 to +85℃

Frequency Range | GHz : 6-18
Impedance | Ω : 50
Main Line VSWR | Max. : 1.4
Coupling VSWR | Max. : 1.4
Insertion Loss | dB Max. : 0.6
Nominal Coupling | dB Limits : 20
Freq. Flatness | dB Max. : ±0.5
Directivity | dB Min. : 20
CW Power | W Max. : 20
Peak Power | KW Max. : 3

Model: DC079085-10S

50 Ohm 10dB SMA-Female Directional Coupler From 7.9-8.5 GHz Rated at 10 Watts
8.5 GHz, SMA-Female Directional Coupler;
Ultra Broadband, Multi-Octave;
Main Line VSWR 1.5, Freq. Flatness ±1.0dB;
Operating Temperature: -40 to +70℃

Frequency Range | GHz : 7.9-8.5
Impedance | Ω : 50
Main Line VSWR | Max. : 1.5
Coupling VSWR | Max. : 1.5
Insertion Loss | dB Max. : 1.0
Nominal Coupling | dB Limits : 10
Freq. Flatness | dB Max. : ±1.0
Directivity | dB Min. : 15
CW Power | W Max. : 10
Peak Power | KW Max. : 1

Model: DC005180-10S

50 Ohm 10±0.8dB SMA Female Directional Coupler From 0.5 18GHz Rated at 20 Watts
18 GHz, SMAFemale Directional Coupler;
Ultra Broadband, MultiOctave;
Main Line VSWR 1.4, Freq. Flatness ±0.8dB;
Operating Temperature: 55 to +105℃

Frequency Range | GHz : 0.5-18
Impedance | Ω : 50
Main Line VSWR | Max. : 1.4
Coupling VSWR | Max. : 1.4
Insertion Loss | dB Max. : 1.8
Nominal Coupling | dB Limits : 0±0.8
Freq. Flatness | dB Max. : ±0.8
Directivity | dB Min. : 15
CW Power | W Max. : 20
Peak Power | KW Max. : 3

Model: DC265400-1092

40GHz, 2.92-Female Directional Coupler;
Ultra Broadband, Multi-Octave;
Main Line VSWR 1.7, Freq. Flatness ±0.5dB;
Operating Temperature: -55 to +105℃