YR-S2 Modules ( S-Series and P-Series Compatible):Default Title Headphone frequency: 20 - 20000

Headphone frequency: 20 - 20000 Hz

support USB headset • Dual-port Gigabit Ethernet

Perfect match with Yealink desk phones give you optimized audio quality and more enhanced functions

Door to Door and Overnight Delivery

in addition

YR-S2 Modules ( S-Series and P-Series Compatible):Default Title Headphone frequency: 20 - 20000Yeastar S2 Module, 2 FXS Ports. Yeastar S2 module is a module with 2 FXS ports to terminate two analog telephone or fax machines. It is compatible with Yeastar S Series VoIP PBX and P Series PBX System. Port: 2 RJ11 FXS Ports On hook Voltage (tip ring) 48V Supported Model: S412, S20, S50, S100, S300, P550, P560, P570. Off hook Current: 10 mA Ring Frequency: 25 Hz Terminating Impedance Option: 600 Ohm Ring Load: 840 Ohm Max Length Supported: 1500M Loop