YEASTAR S SERIES TRUNK & EXTENSION MODULES

S2 Module – plugin module for integrating analog extension devices like cordless phones, fax machines, Eftpos etc. Each module comes with 2 ports for 2 analog devices.

O2 Module – plugin module for integrating PSTN trunks, each module comes with 2 PSTN ports capable of supporting 2 PSTN lines.

SO Module – plugin module for integrating 1 x PSTN trunk and 1 x Analog Extension, the module comes with 1 PSTN port and 1 Analog extension port.

B2 Module –  plugin module with  2 x NT/TE BRI Ports for ISDN BRI lines.

3G UMTS Module – plugin module for 1 Channel for WCDMA  Frequency: 900/2100 MHz, 850/2100 MHz, 850/1900 MHz

4G LTE Module – plugin module provides 4G cellular data on SIM card, making the 4G LTE become the primary Internet connection.

Please select the required modules from below drop-down menu.