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task library
built templatewireless-designwith-tool

Rf Link Budget

Calculates wireless link budget using transmit power, antenna gains, distance, frequency, obstacle losses, and receive sensitivity. The template computes free-space path loss, total path loss, received signal level, and link margin.

inputs

7 fields

context

2 archetypes

engine

with-tool

outputs

4 scored fields

contract fields

Parameter Map

7 inputs to 4 scored outputs

  • transmit_power_dbm

    float

    Transmit power

    -20 to 40dBm

  • transmit_antenna_gain_dbi

    float

    Transmit antenna gain

    -5 to 30dBi

  • distance_m

    float

    Link distance

    1 to 50000m

  • frequency_ghz

    float

    Carrier frequency

    0.4 to 80GHz

  • receive_antenna_gain_dbi

    float

    Receive antenna gain

    -5 to 30dBi

  • obstacle_losses_db

    floathidden in hard

    Additional obstacle and miscellaneous losses

    0 to 60dB

  • required_receive_sensitivity_dbm

    float

    Required receive sensitivity

    -120 to -40dBm
free_space_path_loss_dbtol 0.03

Free-space path loss

total_path_loss_dbtol 0.03

Total path loss including obstacles

received_signal_level_dbmtol 0.03

Received signal level

link_margin_dbtol 0.03

Margin above required receive sensitivity

visibility contract

Difficulty Ladder

all_giveneasy

Short wireless link with all losses visible

all fields visible
all_givenmedium

Short or long wireless link

all fields visible
partialhard

Obstacle loss hidden in path context

obstacle_losses_db

scenario bands

Archetype Atlas

short_wifi_link

2 contexts

Short Wi-Fi or telemetry link

transmit_power_dbm10 to 25
transmit_antenna_gain_dbi0 to 8
distance_m10 to 500
frequency_ghz2.4 to 6

station-platform / campus-wireless

long_field_link

2 contexts

Longer directional field wireless link

transmit_power_dbm15 to 35
transmit_antenna_gain_dbi8 to 25
distance_m500 to 50000
frequency_ghz0.9 to 24

roadside-radio / remote-pump-station

rendered task

Generation Preview

roadside-radio-long-field-link-preview

difficulty
hard
visibility
partial
archetype
long_field_link
site context
roadside-radio
instruction excerptrf-link-budget_calc.py

visible fields

  • transmit_power_dbm15 to 35 dBm
  • transmit_antenna_gain_dbi8 to 25 dBi
  • distance_m500 to 50000 m
  • frequency_ghz0.9 to 24 GHz
  • receive_antenna_gain_dbi8 to 25 dBi
  • required_receive_sensitivity_dbm-105 to -70 dBm

withheld schema

obstacle_losses_dbfree_space_path_loss_dbtotal_path_loss_dbreceived_signal_level_dbmlink_margin_db
Longer directional field wireless link. roadside-radio. Required outputs: free_space_path_loss_db, total_path_loss_db, received_signal_level_dbm, link_margin_db