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The radio
System
ExpressLRS 2.4 GHz (SX128x)
ExpressLRS 900 MHz (SX127x)
ExpressLRS LR1121: 900 MHz
ExpressLRS LR1121: 2.4 GHz
ExpressLRS LR1121: X-Band
Another radio
Packet Rate
Regulatory Domain
Frequency (MHz)
Sensitivity (dBm)
TX power (mW)
Antennas and losses
Ground antenna gain (dBi)
Copter antenna gain (dBi)
Ground cable loss (dB)
Copter cable loss (dB)
Orientation / body loss (dB)
Margin to plan for (dB)
The path
Ground antenna (home)
Latitude
Longitude
Antenna above the ground (m)
Ground at home (m above sea)
The copter
Latitude
Longitude
Altitude above home (m)
A mission's route
Use the mission's route
Load a .waypoints file
Clear the route
Profile and budget for
the farthest point from home
the worst point of the route
Terrain
Load the terrain
Flat ground instead
What it means
Margin against distance
Terrain between you and the copter
Margin along the route
Show the terrain to the worst point
Every packet rate of this radio
The link budget, step by step
Where this comes from