Speco Technologies 16-Channel 4MP HD-TVI DVR with 3TB HDD, Part# D16VX3TB Poly License XGS3-4200R module slots: 2-4

XGS3-4200R module slots: 2-4

It is a replacement punch only

1 External Reverse SMA Connector

The durable PLANTRONICS HW251N/DA M SupraPlus Headset 81360-41 has a wideband audio for more natural sound and clearer conversations

The efficient Valcom V-9422-EC SPOT Sound Masking Lay-In Ceiling Speaker w/Backbox 600 mm x 600 mm reduces the possibility of conversations being overheard by hallway traffic

Speco Technologies 16-Channel 4MP HD-TVI DVR with 3TB HDD, Part# D16VX3TB Poly License XGS3-4200R module slots: 2-4Speco Technologies 16 Channel 4MP HD TVI DVR with 2TB HDD Video Inputs 16 Supported Cameras : 960H, HD TVI (1 to 4 MP) Main Monitor Output : VGA and HDMI (Maximum 4K UHD) Sub Monitor Output : CVBS or Spot (Selective) Audio Input & Output : 4 x Line Inputs 1 x Line Output Audio Codec : G. 711 Two Way Audio : Local Port to Network Client Alarm Sensor Input : 4 or 16 (with Sensor Box) Alarm Output : 1 x Alarm Output Serial Interface RS 485 : 1 x RS 485