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Modules & Accessories

Yeastar O2 Module
2 FXO Ports
Connect 2 analog PSTN (POTS) lines.
Yeastar EX30 Expansion board
Expansion board
6 onboard module slots
Yeastar GSM Module
1 Channel for GSM Voice Calls
Frequency: 850/900/1800/1900
MHz (quad-band)
Yeastar EX08 Expansion Board
Expansion Board
4 onboard module slots
Yeastar D30 Module
Expands capacity by 100 extensions and 30 concurrent calls.
1 module on the S100 and up to 2 modules on the S300