Yeastar O2 Module (2FXO) YST-O2
$62.61
$98.3
Description Specifications Ports: 2 RJ11 FXO Ports Supported Model: S412, S20, S50, S100, S300 Ring Frequency Detection: 15~50 Hz Ring Voltage Detection: 30 VRMS (depend on the FXO mode) Termination: PSTN Lines Echo Cancellation: Support
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