128×384 backlit LCD display
20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)
BLF/speed dial
Daisy-chain up to 4 modules for up to 160 contacts/extensions
BLA (bridged line appearance)/SC
The Grandstream GVC3220 Video Conferencing System delivers 4K Ultra-HD visuals, Android 9.0 OS, 12x PTZ camera, and full-room audio—ideal for boardrooms, classrooms, and large conference halls.
Grandstream CloudUCM Startup is a cloud-based PBX system designed for freelancers and small teams. It supports up to 10 extensions and 4 calls, includes built-in conferencing, live chat, and CRM integration, and comes with a 30-day free trial—no hosting fees required.
Video Input and Transmission
* Connectable to Turbo HD/HDCVI/AHD/CVBS signal input
* Up to 2-ch 1080p IP cameras input
* Long distance transmission over UTP and coaxial cable: max. 1200m for 720p Turbo HD signal
Compression and Recording
* One-key enable H.264+ compression to improve encoding efficiency by up to 50% and reduce data storage costs
* Supports 1080p lite of all channels and when enabled, the image effect is similar with 1080p
Arylic H50 Hi-Fi Multiroom WiFi Amplifier with Bluetooth aptX HD, HDMI ARC, Airplay 2 & Spotify Streaming for Wireless Home Music .Support 192Khz/24bits Music Transmission & Reception.50W*2 Amplifier
MIKROTIK RB/532 R5 ROUTERBOARD, 3 LAN / 2 MINI-PCI/1 CF - RB532R5 
