Fourier DataNet User Manual page 19

Each Repeater holds the data sent to the end units while the
end units are in sleep mode. At a specific interval the end unit
wakes up and receives the data from its parent (Repeater).
Note: Each Repeater can detect up to 24 data loggers and 16
Repeaters including the parent unit. If the number of loggers
exceeds this capability, additional Repeaters are required.
Part Number: DNR900
Repeater Transmission Range: 800 m line of sight
End Units per Receiver: ~65,000
Receiver/Repeater with LCD
9