Retevis Ailunce HS4 10 Meter Radio, High Power SSB Ham Radio Base Station, CW/SSB/AM/FM/PA Mode, Noise Reduction, Dual Watch, SWR Protection, Amateur Mobile Radio Transceiver for Emergency Response. 6 modes switch: 10 meter ham radio supports PA/AM/FM/USB/LSB/CW modes; CW mode can connect the external Moss devices to achieve secure communication; AM for long range calls; FM for clear sound; SSB(USB+LSB) for voice modulation; PA for public address. Long range mobile radio: High power offers a long range communication; shortwave design breaks the communication limitation; 10 meter radio communicates stably and smoothly. Clear sound quality: 10 meter ham radio features noise reduction function and squelch function; when the transmitter is in a noisy environment; operators receive clearly.
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