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Electric Radio Infra-Red UV X Ray Gamma
9 kHz 30 kHz 300 kHz 3 MHz 30 MHz 300 MHz 3 GHz 3 THz
VLF LF MF HF VHF UHF SHF EHF
125 kHz
134.2 kHz
13.56 MHz
433 MHz
860-960 MHz
2.45 GHz
5.8 GHz
LCD
Reader
area
Rottary
button
MicroSD
slot
USB
connector
Batteries