ADTRAN 1100AMNVS3M4T1 ProCare NBD OST 1 YR, Part# 1100AMNVS3M4T1 Illuminated Call Button for DoorBird This speaker also offers a

This speaker also offers a frequency response of 250 to 16

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

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

and ADPCM (G

Amplifier Impedance: 4-16 Ohms

ADTRAN 1100AMNVS3M4T1 ProCare NBD OST 1 YR, Part# 1100AMNVS3M4T1 Illuminated Call Button for DoorBird This speaker also offers aProCare 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