Hotspot frequencies

Amateur radio,

Common settings

UK: 438.800 MHz

Germany:

433.450 MHz (preferably not as this is the calling QRG)

or

433.6125 MHz (U289)
433.6250 MHz (U290)
433.6375 MHz (U291)
433.6500 MHz (U292)
433.6625 MHz (U293)
433.6750 MHz (U294)
433.6875 MHz (U295)

as the UK frequency is used by repeaters