GRANDSTREAM

IP-PBX Non FXS/FXO, 1*USB3.0 and 1*SD Card Slot
250 Users, 50 Concurrnt Calls Using G.711
2 Giga Ether Ports Support PoE

Full-duplex Speakerphone, Advanced Acoustic echo Cancellation
Directional Mics with MMAD, 1 Omnidirectional Auxiliary Microphone
802.11 a/b/g/n/ac Wi-Fi and Bluetooth, 10/100Mbps Network Port with +PoE/PoE
15-watt maximum output speaker

SIP Intercom Speaker and Mic
Full duplex Speaker, 3 Directional Mic MAMD
Built-In WiFi and Bluetooth, 10/100 PoE/PoE+ Port
8-watt maximum output speaker

Passive PoE injector with 48V 0.5A Output
Gigabit PoE injector Comes with a Power cable