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
Grandstream UCM6302A IPPBX Support up to 500 Users and 75 Concurrent calls
Grandstream UCM6308 IPPBX Support up to 1500 Users and 200 Concurrent calls
* GXV3674_HD: 1.2 megapixel Progressive Scan CMOS image sensor, 720p resolution
* GXV3674_FHD: 3.1 megapixel Progressive Scan CMOS image sensor, 1080p resolution
* Variable focal lens can be adjusted
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
Mikrotik RB4011iGS+5HacQ2HnD-IN | Powerful 10xGigabit port router with a Quad-core 1.4Ghz CPU, 1GB RAM, SFP+ 10Gbps cage, dual band 2.4GHz / 5GHz 4x4 MIMO 802.11a/b/g/n/ac wireless 
