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MegaFon Investor presentation
Russia's Megafon Signs Multi-Year iPhone Distribution Deal with Apple - MacRumors
Megaphone | Maximum range: 250 m | Maximum Volume control: 115 dB | Built-In Microphone
MegaFon Triples Its Volume – Aitarget University
TM-15, Monacor 25W
Power button and volume control hi-res stock photography and images - Alamy
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