30dB Directional Coupler

Rev : P1 | Rev date : 04 Nov 2019
RFS CDS**E series Directional Coupler has been designed for outdoor applications covering 694 to 3800MHz. Units couple off a defined fraction of signal from 6 to 30 dB with minimal reflections or loss. The frequency range allows use with antennas and leaky cable systems and in wireless base stations. With minimal solder joints, the dissipative loss has been minimized and reliability enhanced.


  • 30 dB coupling value
  • Low insertion loss
  • High power handling
  • Small size, Low weight
  • 716-female connectors
  • -155 dBc PIM

Technical features


Product TypeDirectional Coupler
Techn. ApplicationIndoor
Number of Input Ports1
Number of Output Ports2
Connector Type716 female

Electrical Specifications

Frequency Range MHz694 - 3800
Impedance Ohm50
Insertion Loss max. dB0.2
Max. VSWR / Return LossVSWR/dB1.25/19.1 (1.25)
Intermodulation (IM3)-155 dBc with 2x43 dBm tones
Coupling Value dB30
Directivity min. dB20
Coupling Flatness max. dB±1.0
Total Input Power W200

Temperature Specifications

Temperature Range °C (°F)-25 to +65 (-13 to +149)

Mechanical Specifications

Height mm (in)16.5 (0.65)
Width mm (in)63.2 (2.49)
Length mm (in)159.4 (6.28)

Testing and Environmental

Environmental ClassIP65

Dimensions mm(inch)

External Document Links