Running Maintenance and Operation of Specialized Electrical and Mechanical Services installed Honble LG Residence and Secretariat at Raj Niwas Marg, Delhi (SH- Upgradation of the existing Poly make Video Conferencing System installed in the Conferen

Supplying, installation, testing & commissioning of video conferencing Codec along with Touch Controller, suitable for seamless integration with the existing Poly make system, supporting Ultra HD 4K video resolution (up to 4K30) and Full HD 1080p60 for both people and content sharing, and utilizing advanced video compression standards including H.264 AVC, H.264 High Profile, and H.265 for optimal bandwidth efficiency. The codec shall support SIP and H.323 protocols with bandwidth up to 6 Mbps and shall be interoperable with standard unified communication platforms. It shall provide multiple connectivity interfaces including HDMI input/output for dual display support, USB ports for peripherals, audio input/output interfaces, RS-232 for control integration, and Gigabit Ethernet with IPv4/IPv6 support. The system shall support wireless content sharing through standard protocols such as Airplay and Miracast along with HDMI-based content input, and shall include built-in features such as digital whiteboarding and annotation. The solution shall incorporate advanced audio technologies such as NoiseBlockAI and Acoustic Fence for effective background noise suppression and enhanced voice clarity, supporting wideband audio codecs including G.711, G.728, G.722, G.722.1, G.719, and Siren series. The touch controller shall provide an intuitive user interface for call control, scheduling, and content sharing through a high-resolution touch display, ensuring ease of operation and suitability for professional conferencing environments complete as required.

Supplying, installation, testing & commissioning of Wireless 12" Gooseneck Podium Microhome with wireless desktop base and single channel receiver with following specification : Frequency Response: 50 Hz to 20,000 Hz,Selectable polar pattern to easily adapt to any situation. Choose between omni, cardioid, super- cardioid or hyper cardioid. Consistent microphone voicing across all four patterns. Sensitivity, Open Circuit Voltage, 1 kHz: 15.8mV/Pascal, Output Impedance, 1 kHz: 1000 ohms, Signal/Noise ratio: >100dB(A), Receiving sensitivity: -81dBm for -12dB SINAD, Bandwidth: 36MHz, Carrier frequency range: 470 - 865 MHz complete as required.

Supplying, installation, testing & commissioning of Handheld Wireless Mic with the following specifications - Transmitter: 1. Frequency Response - 30 Hz to 16 KHz 2. Polar Pattern - Cardioid/ Super cardioid 3. Sensitivity > 5.2 mV/Pa 4. RF Output Power - 50 mW 5. Should have the provision of changing Microphone heads Receiver: 1. Bandwidth - 36 MHz 2. Carrier Frequency Range - 480 to 865 MHz 3. Signal to Noise Ratio > 100 dB A 4. Frequency Response - 55 Hz to 16 KHz

Supplying, installation, testing & commissioning of 6-input audio mixer, designed for professional sound reinforcement applications. The mixer shall feature a minimum of 6 input channels with a combination of balanced XLR microphone inputs and line-level inputs, each equipped with individual gain control, 2-band or 3-band EQ, and level adjustment. It shall provide phantom power (+48V) for condenser microphones, low-noise preamps, and high headroom performance with low total harmonic distortion (THD ≤ 0.05%). The unit must include main stereo outputs, auxiliary output(s) for monitoring/recording, and headphone output with level control. Frequency response shall be 20 Hz to 20 kHz with signal-to-noise ratio ≥ 90 dB complete as required.

Supply & laying of 15-meter USB extension cable, designed to ensure reliable high-speed data transmission for compatible devices in professional environments complete as required.

Supply & laying of 15mtr HDMI Cable complete as required.

Supplying, installation, testing & commissioning of rack of MS Construction of size 18 SWG duly wired provided with front and back door, front door with acrylic sheet, back door with louvers with provision for housing the above control equipment complete with connecting strip and power points complete as required.