IP gateway for indoor stations VT200MB2 of the VT200 door intercom system. Enables image storage (ring buffer for the last 200 images, when using a microSD card, videos with a length of 10 seconds are recorded), connection of compatible network cameras and call forwarding with image display on smartphone app (requirement: LAN connection to a router, common for all parties, FRITZ!Box® recommended). App for iOS (App Store) and Android (Play Store, Google version) available free of charge (not part of the product, no promise of a service level).d. Reverse polarity protected 2-wire bus connection (looped through) to a VT200 system power supply unit. RJ45 socket for LAN connection. Video compression: H.264/AVC, audio compression: G.711 (64Kbps). Power supply: 24-29V DC, max. 3.4W from system power supply unit. In REG housing for DIN rail mounting. Includes wall bracket. Dimensions: 72 x 91 x 60mm.