Digium 4 port modular analog PCI 3.3/5.0V card, no interfaces and HW Echo Can -compatible with 1S110MF and 1X100MF £531.83 inc. VAT
Digium 24 port modular analogue PCI-Express x1 card with 24 FXS interfaces and HW Echo Can £1,512.95 inc. VAT
Digium 8 port modular analogue PCI 3.3/5.0V card with 8 FXS interfaces and HW Echo Can £1,176.59 inc. VAT