RF HAMDESIGN - N-Series Directional Coupler

Calibrated Directional Couplers

N-Series Directional couplers are deliverd calibrated at frequency and including a test certificate . and measurent plot (accuracy +/- 0.15dB)

On request Dir. couplers available calibrated at each frequency from 50 MHz up to 3GHz
You will receive a plot from our Scalar Network Analyzer. Request for quote



Bi-Directional coupler   
Bi-Directional coupler, it's the low-cost design coupler of RF Hamdesign.

It can be used as calibarted power monitoring divice but they find also use in a variety of measurement applications as:
* Source leveling
* Isolation of signal sources
* Swept transmission and rfelction measurements
* Directivity >20dB  


400 - 3000 MHz Calibrated Bi-Directional coupler.  


Bi-Directionel coupler 400 MHz - 3000 MHz

Calibration accuracy: +/- 0.15dB

Typical Coupling (dB): 432MHz-30dB / 1296MHz-20dB / 2320MHz-16dB

RF Power Max. 1000Watts

Insertion loss <0.2dB @ 2320MHz

Directivity min. 20dB

Impedance: 50 ohm

Input / output: N-Connector female

Output coupling BNC-female

Deliverd inc. calibration report

Price Type: FPR 432 EUR. 59,-

We will be glad to E-mail you a quotation, or use the Quote request page.



Bi-Directionnal coupler 432.....2320MHz

Bi-Directionel coupler 400MHz..3000MHz / Option Male  


Option: 1x N-connector male and 1x N-Conn. female

Specifications same as above.

Deliverd inc. calibration report

Price Type: FPR 432/M EUR. 66,-

We will be glad to E-mail you a quotation, or use the Quote request page.



Option: N-connector Male

Customized directional couplers 


This directional couplers are available calibrated at your freq. specification

On the right the measurement report you could receive

Frequency range: 400 MHz up to 3 GHz

accuracy +/- 0.15dB

Request for quote





50 - 500 MHz Calibrated Bi-Directional coupler.  


Bi-Directionel coupler 50 MHz - 500 MHz

Calibration accuracy: +/- 0.15dB

Typical coupling (dB): 144MHz-30dB / 432MHz-22dB

RF Power Max. 1000Watts

Insertion loss <0.05dB @ 432MHz

Directivity min. 20dB

Impedance: 50 ohm

Input / output: N-Connector female

Coupling output BNC-female

Deliverd inc. calibration report

Price Type: FPR 144 EUR. 65,-

We will be glad to E-mail you a quotation, or use the Quote request page.




50 - 500 MHz Calibrated Bi-Directional coupler / Option Male  


Option: 1x N-connector male and 1x N-Conn. female

Specifications same as above.

Deliverd inc. calibration report

Type: FPR 144/M EUR. 71,-

We will be glad to E-mail you a quotation, or use the Quote request page.



Option: N-connector Male

Customized directional couplers 


This directional couplers are available calibrated at your freq. specification

On the right the measurement report you could receive, we can work up to max. 8 markers in the same plot.

Frequency range: 50 MHz up to 500 MHz

Accuracy +/- 0.15dB

Request for quote