AiPhone TC-20M 20-CALL HANDSET MASTER CONSOLE, Stock# TC-20M Ethernet Cable It has a maximum range

It has a maximum range of 40KM

Bandwidth control ( download and upload)

Cable length: 1

The durable NEC IP Video Doorphone IP3WW-CDH Wall Cover Set 670555 BE112236 provides the ability to place an internal call from an area outside the premises or can also be used for room monitoring

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AiPhone TC-20M 20-CALL HANDSET MASTER CONSOLE, Stock# TC-20M Ethernet Cable It has a maximum rangeThe efficient AiPhone TC 20M 20 CALL HANDSET MASTER CONSOLE is a 20 call handset console which is capable of being expanded using a 20 or 40 add on module. Features: External activation at the master or substation Sub to sub communication Compact design User friendly Quick and easy installation Includes: TC 20M Intercom Master Station Directory Card and Cover Screws Pack Wall Mount Cradle Installation and Operation Manual *NEW IN THE BOX *One Year