Sale
D30 Expansion DSP Module
D30 DSP module for S100 & S300 increases extra 100 extensions & 30 concurrent calls capacity
35,750.0035750.0USD
Sale
EX30 Expansion E1 Module
Each EX30 card offers 1 ISDN E1 port for S100 & S300
85,800.0085800.0USD
Sale
EX08 Expansion Card
EX08 card offers 4 module interface slots for S100 & S300 
SO/S2/O2/GSM modules need to be purchased separately
9,735.009735.0USD
Sale
High Gain GSM Antenna with 3M Cable
3,905.003905.0USD
Sale
Yeastar MyPBX S2 Module(2 FXS Ports)
10,857.0010857.0USD
Sale
Yeastar MyPBX O2 Module(2 FXO Ports)
10,857.0010857.0USD
Sale
Yeastar MyPBX GSM 1 Channel module
20,317.0020317.0USD