recv.lua

local component = require("component")

--component.modem.broadcast(123, "Test.\nHello world!")

--component.modem.close(123)
--component.modem.open(123)

while 1 do
  component.modem.open(123)
  local strSmp = event.pull("modem")
  print(strSmp)
  component.modem.close(123)
end