Directorate of Extension, Mannuthy- Installation of Outdoor LED Video Wall Display Unit at DoE building-General Electrical Work

OD613/2026-2027:Supply, installation, tesing and commissioning of P4 Outdoor LED Video wall displays with complete structure, CMS system and support services with following specifications as directed by departmental officers. Specifications: ? Display size: 13.6 ft (W) x 7.3 ft (H) Approximate area: 99 sq. ft. ? LED Display Technical specifications: Pitch name: P4 (4mm) Outdoor LED Display, Module model: Lampro or equivalent BIS certified P4 outdoor, Module size: 320mm x 160 mm, Module resolution: 80 x40 pixels, LED type: SMD 1921 (3-in-1), Driver IC: Chipone 2038, Pixel Density: 62,500 dots/sq. m. ? Electrical & control system: Power supply: RONG 5V 40A (BIS Certified), Receiving card: NovaStar DH7508-S, Controller: NovaStar TB40, HUB Board: HUB 75A, Signal system: 16-Pin Flat Cable. ? Optical Performance: ? 4500 nits, Viewing angle: 140? (H) / 160? (V), Minimum viewing distance: 4 meters. ? Performance & Protection: Refresh rate: ?3840Hz, Scan mode: 1/10 Scan constant current, Ingress Protection: Front IP65 / Rear IP54, LED Life: 100,000Hrs, Operating temperature: 0? C to 50? C ? CMS Player Specifications: Processor: Boardcom BCM2712 Quade-core Cortex-A76(2.4GHz), GPU: VidoCore VII (Dual 4K@60Hz), RAM: 8GB LPDDR4X, Storage: 128GB (Preloaded OS), OS: Debian Linux, Connectivity: LAN, Wi-Fi(Dual Band), Bluetooth: 5.0, Ports: HDMI, USB 3.0/2.0, Power: USB-C 5V/5A 9<15W), Control: Web Dashboard / SSH / VNC, Security: HTTPS / Token Authentication ? Structure & Installation: Heavy duty MS/ GI Structure, Modular welded design, Epoxy primer + powder coated finish, concealed PVC cable routing. ? Installation & Testing Support services: Complete installation, testing and commissioning, technical training to staff, CMS operation support, Regular maintenance and system health check, Remote + on-site support, software update and optimization complete.