Expension Module– 5’ color screen; 20 program keys; 10 Virtual page;
Compatible with Series only
ALE-M3 / ALE-M5 / ALE-M7

8 SIP accounts; 3.5′ color screen;
2xgigabit;1 USB-C + 1 USB-A; Support EXP; 6 Program keys; Buit- in Bluetooth& Support WIFI dongle; (Without Adapter), POE