Max Cellular Ports: 1, E1/T1/J1 Ports: N/A, Expansion Board: N/A
The P520 offers all of the features and integrations and of Yeastar's flagship P-Series platform in a compact package designed for small to medium sized businesses. Supports FXS, GSM/3G/4G, BRI and FXO connectivity (telephony modules sold separately)
