Anysecu Y18 4G radio di rete Android 9.0 WIFI GPS telefono cellulare Zello Real-ptt

Y18 Freqeuncy range ： Band: 2G GSM850/900/1800/1900MHz ; 3G WCDMA:B/1/2/5/8 ; 4G FDD:B1/3/5/7/8/20/28A/28B ; 4G TDD:B38/39/40/41.

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