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DETAIL
》Product Functions and Features
♦ GSM FCT compatible with mobile SIM cards.
♦ Two RJ-11 phone jacks for connecting to home phones, PSTN fixed lines, and EPABX systems.
♦ Converts wired phones to make voice calls over a GSM network.
♦ Eliminates the hassle and noise interference of traditional telephone wiring.
♦ Easy to install, maintain, and integrate into existing telephone systems.
♦ Built-in backup battery provides up to 48 hours of operation during power outages.