Bird - The RF Experts
20-DC Series
Directional Coupler
20-DC Series

The Low PIM directional couplers can be used to balance signals evenly across a coaxial DAS network.

FEATURES:

• PIM Rated

• Broadband

• Compact

Item # 20-DC-FFN-20 20-DC-FFN-15 20-DC-FFN-10 20-DC-FFN-7 20-DC-FFN-6 20-DC-FFN-4.8
20-DC-FFN-3
Frequency Bands 698 to 2700 MHz 698 to 2700 MHz 698 to 2700 MHz 698 to 2700 MHz 698 to 2700 MHz 698 to 2700 MHz
698 to 2700 MHz
Insertion Loss 0.4 dB max 0.7 dB max 1.0 dB max 1.5 dB max 1.7 dB max 2.7 dB max
3.9 dB max
Return Loss 20 dB min 20 dB min
20 dB min
20 dB min
20 dB min
20 dB min
20 dB min
Coupling Value 20 ± 1.2 dB max 15 ± 1.2 dB max 10 ± 1.0 dB max 7 ± 1.0 dB max 6 ± 1.0 dB max 5.1 ± 1.3 dB max
3.2 ± 0.7 dB max
Power Handling 20 Watts 20 Watts 20 Watts 20 Watts 20 Watts 20 Watts
20 Watts
PIM 153 dBc min
(2 tone @ 43 dBm)
153 dBc min
(2 tone @ 43 dBm)
153 dBc min
(2 tone @ 43 dBm)
153 dBc min
(2 tone @ 43 dBm)
153 dBc min
(2 tone @ 43 dBm)
53 dBc min
(2 tone @ 43 dBm)
53 dBc min
(2 tone @ 43 dBm)
Impedance 50Ω nominal 50Ω nominal 50Ω nominal 50Ω nominal 50Ω nominal  50Ω nominal
 50Ω nominal
Operating Temperature -20°C ~ +60°C -20°C ~ +60°C -20°C ~ +60°C -20°C ~ +60°C -20°C ~ +60°C -20°C ~ +60°C
-20°C ~ +60°C
Dimensions
(not including
connectors or loads)
4.05 x 0.98 x 1.2 in
103 x 25 x 30 mm
4.05 x 0.98 x 1.2 in
103 x 25 x 30 mm
4.05 x 0.98 x 1.2 in
103 x 25 x 30 mm
4.05 x 0.98 x 1.2 in
103 x 25 x 30 mm
4.05 x 0.98 x 1.2 in
103 x 25 x 30 mm
4.72 x 0.9 x 1.5 in
120 x 23 x 38 mm
4.72 x 0.9 x 1.5 in
120 x 23 x 38 mm
Connector N-Female N-Female N-Female N-Female N-Female N-Female
N-Female
Finish Light Gray Powder Coat Light Gray Powder Coat Light Gray Powder Coat Light Gray Powder Coat Light Gray Powder Coat Light Gray Powder Coat  Light Gray Powder Coat 

Downloads:
      3D Model 6dB
      3D Model 7dB
      3D Model 10dB
      3D Model 15dB
      3D Model 20dB
product specifications:
Item No
20-DC Series
Item Name
Low PIM Directional Coupler