Digital Radio Repeater Training


Electromagnetic spectrum

Propagation of Radio Waves above 30MHz.

VHF versus UHF

Digital Versus Analogue transmission.

Advantages and disadvantages of digital systems, compared with analogue.

Digital Repeater standards (dPMR, DMR, Tetra etc)

Analogue standards

Trunked Systems

Pseudo Trunk

Antenna systems

Coaxial lines, and considerations

Impedance mismatch implications

Code Plugs and system programming

Designing a reliable communications repeater system.

Power Supplies

Lightning Protection

Regulatory licensing (Ofcom)