Radio Link Equation

From Nepalwireless-workshop

[परिवर्तन्] Radio Link Equation

just an example! values might be different!

  • +Transmitter Power [dBm] = +20
  • -Cable TX loss [dB] = -1
  • + Antenna TX gain [dBi] = +24
  • - Free Space Path Loss [dB] = -120 dB
  • + Antenna RX gain [dBi] = +24
  • - Cable RX loss [dB] = -1

Result= -54 dBm

with a Receiving Sensitivity of e.g. -85 dBm, you have a margin of

  • -54 - (-85) = + 41 dBm

this is enough for a very good link.

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