Intercoms & PA – GSC3505 Product Description GSC3505 1-way SIP Speaker SIP paging, multicast paging, call-waiting Integrated Wi-Fi & Bluetooth ® One 10/100Mbps network port with PoE/ PoE+ See also different: Intercoms & PA – GSC3506 v2 ATAs & Gateways – GXW4200 Series v2 GXV IP Video Phones – GXV3350 GXP Series IP Phones – GXP1610(P)/GXP1615