Communications Resources

Antenna Gain Explained

Find out what gain is and how it can affect your choice of fixed and mobile antennas.

Antenna Radiation Patterns Explained

Find out what radiation patterns are and how they can affect your choice of fixed and mobile antennas.

Coaxial Attenuation Chart

The attenuation chart lists the amount of loss in decibels (Db) per 100 feet for a given frequency. 

Pulse In Line Adaptor Matrix Chart

Find the suitable adaptor part number based on the input and output connection types.

Mobile Antenna Selection Tips

Understand all the factors that can affect your choice of mobile antennas.

Phasing UHF and VHF Dipole Antennas

Information to assist in determining optimum spacing requirements for phasing common RFI Side Mounted Dipoles.

Phasing Yagi Antennas

Information to assist in determining optimum spacing requirements for phasing common RFI Yagi Antennas.

Wind Ratings

Information on how wind loadings are calculated in accordance with Australian standards.

Isolation versus Antenna Separation

Use graphs to assist in obtaining required antenna isolation through antenna separation.

Transmitter Noise and Receiver De-Sense Curves (TNRD)

Find the minimum required isolation between the co-sited transmitters and receivers using the de-sense curves.

Power and Voltage Ratios Conversion

Use this table to convert power or voltage ratios to Decibels (dB).

Power FWD/REV versus VSWR

Estimate the reflected power based on VSWR and the forward power.

Mobile Antenna Selection

A helpful guide with factors to consider when selecting a mobile antenna.

Coaxial Cable Dielectrics - Velocity of Propagation and Attenuation

RFI's Cables and Connectors Product Manager Kelvin Oakes explains velocity of propagation and how this can affect your choice of coaxial cable for your next project.

Cel-Fi In-Building Coverage Solutions Guide

Cel-Fi GO Mobile Phone Coverage Enhancement

Cel-Fi Go Bands Technical Guide

A technical setup guide that will show you how to get the most out of your Cel-Fi GO.

MyWAVE App (iOS) Guide

A handy setup guide to using the MyWAVE App using iOS devices.

MyWAVE App (Android) Guide

A handy setup guide to using the MyWAVE App using Android devices.

Cel-Fi GO Guide

Use this guide to determine which Cel-Fi Go is best suited
to your application.