olemus
(1) IEEE:
sagedusala 1 kuni 2 GHz
https://en.wikipedia.org/wiki/L_band

(2) NATO:
sagedusala 40 kuni 60 GHz
https://en.wikipedia.org/wiki/L_band_(NATO)

(3) kiuoptilises sides:
edastusaken 1565 kuni 1625 nm
https://en.wikipedia.org/wiki/Fiber-optic_communication#Transmission_windows