WyreStorm APO 100 UC conference phone Analogue IP conference phone Keyboard key switch___Magnetic mechanical key switch Mounting pattern can be 600 Poly RealPresence Group 700 Mounting pattern can be 600 x 400 if using FHB5036 for M6 screws or FHB5037 for M8 screws 0 ports quantity 3 Audio (L R) in 1 Headphone outputs 1 Microphone in Yes Serial interface type RS 232C AC (power) in Yes Network Ethernet LAN Yes Ethernet LAN (RJ 45) ports 1 Storage Card reader integrated No Features Interactive Yes Interactive input supported Interactive pen Noise level 35 dB Noise level (economic mode) 30 dB Country of origin Philippines Password protection Yes Compatible operating systems Linux ensuring you can be heard loud and clear in every meeting An LED ring on the top of the speakerphone provides real time feedback of volume level and mute status