ADTRAN 1100AMNVS3M4T1 ProCare NBD OST 1 YR, Part# 1100AMNVS3M4T1 Illuminated Call Button for DoorBird VBR (Variable Bitrate) or CBR

VBR (Variable Bitrate) or CBR (Constant Bitrate) compression mode selectable to correspond with various network conditions

This speaker also offers a frequency response of 250 to 16

UPC# 35538

Accepts 2 network interface modules (one T1/PRI network interface module is included) and 4 user interface modules

prisons or anywhere an analog surveillance system is already installed and full frame rate is needed

ADTRAN 1100AMNVS3M4T1 ProCare NBD OST 1 YR, Part# 1100AMNVS3M4T1 Illuminated Call Button for DoorBird VBR (Variable Bitrate) or CBRProCare 1 Year NBD On site Maintenance for the NetVanta 1544, 1544F, providing: 1 hour response time into technical support, access to software upgrades and patches, and next business day hardware replacement with ProCare on site representative, available Monday through Friday, 7 am until 7 pm CT NEW IN THE BOXOne Year Warranty