RF Mic & IEM Signal Strength Calculator

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Clean Wireless Audio LLC
RF Mic & Wireless IEM Signal Strength Calculator



Scroll down to define your system components and view results.
Enter values without units of measure.
Results are valid for impedance-matched components and line-of-sight links with no 1st Fresnel zone obstructions.


Enter Frequency
	MHz

Enter Transmitter Output Power


Enter TX System Components' Impedance
	Ω

Enter RX System Components' Impedance
	Ω


Enter TX Patch Cable Length


Select Cable Type



Calculate Patch Cable Connectors' Loss?


Select Connectors' Condition


TX Patch Cable Assembly Loss


Enter TX Passive Combiner Loss
	dB

Enter TX Active Combiner Gain
	dB

OR: Enter TX Combiner AGC Power (optional)
Note: Most IEM active TX combiners with AGC require Transmitter Output Power 25mW or greater. Entering TX Combiner AGC Power will override Transmitter Output Power entry and omit TX Patch Cable Assembly Loss from all calculations. Enter 0 to reset.


Enter Other TX Loss
	dB

Enter Other TX Gain
	dB

Enter Number of TX Inline Connector Adapters


Select Adapters' Condition


TX Inline Adapters' Loss


Enter TX Antenna Cable Length


Select Cable Type



Calculate Antenna Cable Connectors' Loss?


Select Connectors' Condition


TX Antenna Cable Assembly Loss


Enter TX Antenna Axial Gain
	dBi

Select TX Antenna Polarization Type


Enter TX Antenna VSWR
	: 1

TX Antenna Z Mismatch Loss


Enter RX Antenna Axial Gain
	dBi

Enter RX Antenna VSWR
	: 1

RX Antenna Z Mismatch Loss


Select TX & RX Antenna Polarization Alignment


Polarization Mismatch Loss


Enter Free Space Distance


Free Space Loss



Enter Absorption Loss
Absorption losses are difficult to predict. However, reasonable estimations can be made: 10-25 dB; Bodypack antenna against clothing. 25-50 dB; Bodypack antenna against skin. 50-90 dB; Any antenna surrounded by tissue. Leave value at 0 if unsure.
	dB

Enter Multipath Loss
Multipath losses are extremely difficult to predict unless the exact positions and properties of all antennas and all physical objects nearby are precisely known and static. Leave value at 0 if unsure.
	dB


Enter RX Antenna Cable Length


Select Cable Type



Calculate Antenna Cable Connectors' Loss?


Select Connectors' Condition


RX Antenna Cable Assembly Loss


Enter RX Passive Multicoupler Loss
	dB

Enter RX Active Multicoupler Gain
	dB


Enter RX Patch Cable Length


Select Cable Type



Calculate Patch Cable Connectors' Loss?


Select Connectors' Condition


RX Patch Cable Assembly Loss


Enter Other RX Loss
	dB

Enter Other RX Gain
	dB

Enter Number of RX Inline Connector Adapters


Select Adapters' Condition


RX Inline Adapters' Loss


TX System Loss (-) or Gain


RX System Loss (-) or Gain


Free Space, Polarization, Absorption, & Multipath Loss


Total Path Loss (-) or Gain


EIRP


EIRP


ERP


ERP




Received Power


Received Power


Received Voltage


Received Voltage


1st Fresnel Zone Max Radius


60% 1st Fresnel Zone Max. Radius


Free Space Wavelength (λ)