Tender For Supply And Erction Of Av System For Conference Hall With All Accessories M C Barwala; 1 SITC of Central Controller should serve as the main hub of an intelligent digital conference system, integrating advanced audio, digital processing, and network capabilities suited for modern conferencing environments. It should feature a high-performance CPU to ensure fast system responsiveness, deliver high-fidelity audio with a signal-to-noise ratio greater than 96dBA and total harmonic distortion less than 0.05%, and support various conference modes including FIFO, APPLY, FREE, LIMIT, and VOICE, with speaking time control and speaker limit functions. The controller should offer a 3.5-inch IPS TFT screen for intuitive parameter settings and support USB recording in WAV format for high-quality audio documentation. It should natively support up to 256 conference units and allow expansion to 1200 units through extension hosts. The controller should have 3 pairs of CAT6 RJ45 ports (6 total) arranged in 3 redundant loop zones with automatic loop recovery for fail-safe operation. Additionally, it should include 4×8-pin DIN ports for connecting up to 120 units, feature full anti-interference design, dual power feed to microphone units, and support hot-pluggable “hand-in-hand” connectivity. Interface options should include RS-232/RS-485 for camera control (compatible with SONY VISCA and PELCO P/D), HDMI (optional), and TCP/IP network access for remote control via PC, tablet, or mobile. Audio input/output should be available through XLR, RCA, and 6.35mm jacks. The unit should be rack-mountable (19”), weigh 4.5 kg, operate on AC110–220V/50Hz power supply, and be finished in black 2 SITC of Chairman Unit should be an intelligent gooseneck conference microphone system with integrated camera tracking, advanced digital audio processing, and seamless network connectivity. It should include a 42cm cardioid condenser microphone with a frequency response of 20Hz–20kHz, sensitivity of -46dBV/Pa, signal-to-noise ratio greater than 80dB, and total harmonic distortion less than 0.05%. The unit should support hand-in-hand connectivity using shielded CAT6 cables and be powered by a DC 24V supply. It should feature a two-color LED ring (red for speaking, green for request), a touch-sensitive light bar, a headphone output with 10mW adjustable volume control, and an anti-interference circuit design. The chairman unit should provide priority override, the ability to approve delegate speech requests, and support the use of multiple chairman units with no restrictions on their connection position. 3 SITC of Delegate Unit should be a high-performance gooseneck conference microphone system with intelligent camera tracking, digital audio processing, and network integration. It should feature a 42cm cardioid condenser microphone with a frequency response of 20Hz–20kHz, sensitivity of -46dBV/Pa, signal-to-noise ratio greater than 80dB, and total harmonic distortion less than 0.05%. The unit should be powered by DC 24V from the system host and should support hand-in-hand connectivity using shielded CAT6 cables, with hot-plug capability for easy installation and maintenance. It should include a two-color LED ring (red for speaking, green for request), a touch-sensitive light bar, an anti-interference circuit design, and a headphone output with 10mW volume control. The unit should have a robust metal panel design to ensure durability and consistent performance in modern digital conference systems. 4 SITC of Public Address digital mixing amplifier, 1 X 120 W @ 100V/4 Ohms, Frequency response: 20 Hz - 22 kHz, Signal / Noise: > 90 dB, THD+N (@ 1 kHz): < 0.5%, Crosstalk (@ 1 kHz): > 70 dB,4 Balanced Mic/Line Inputs with XLR connectivity, 1 Balanced Mic/Line inputs with 6.3mm Jack Connectivity and 1 Unbalanced Stereo Line levelinput with RCA Connectivity, Should have capability of having Remote Mic/Tele-paging/Priority Mute contact,Technology : Class-D, Protection : DC short circuit; Over load; over heating; signal limiting; convection cooled, CE Certification or more. 5 SITC of Two way Passive wall mount loudspeaker with LF: 5.25 or better, HF : 1 or better having Frequency Response (+/-3 dB) : 70Hz - 18 kHz or better, RMS power : 40 W at 100V & 50 W at 8 Ohms or better, Power Taps : 40 W/20 W/ 10 W/ 5 W, Maximum SPL: 104 dB or better, Sensitivity: 87 dB or better, Dispersion : 110 degree X 110 degree or better, Transformer Taps : 100 V/ 70V with OEM mounting arrangement having vertical and horizontal rotation to aim the speaker in any direction. CE Certification or more 6 SITC of 75 inch UHD Signage/Professional Display| Active Display Area 1,650.24 (H) x 928.26 (V) I, 350 Nits Brightness |4000:1 Contrast Ratio | 2xUSB 2 , 3x HDMI 2.0 In,RS232C (In/Out), RJ45, Stereo mini Jack|Speaker 10W 2ch|1,650.24 (H) x 928.26 (V)I,Processor CA53 1.3GHz Quad-Core I Storage(FDM) 8GB (3GB available) I, Wi-Fi (2.4/5.0GHz dual) and BT I, Compatibility|Certifications: Safety, EMC, CE: Approved Make: Sony/ Vestel/Samsung 7 SITC of Ultra PTZ Camera should be a high-end professional UHD camera designed for premium video conferencing, broadcasting, and live streaming applications. It should feature a 1/1.8 8.42MP CMOS sensor capable of delivering 4K resolution at 60fps with high color accuracy, excellent low-light sensitivity of 0.5 Lux at F1.8, and Wide Dynamic Range (WDR) to handle high-contrast lighting conditions. The optical system should include a 20x zoom lens (f=6.25–125mm, F1.58–F3.95) with a 66.6° diagonal wide angle and 16x digital zoom to ensure precise framing across varying room sizes. AI-powered humanoid tracking should be integrated to enable intelligent movement detection and auto-framing during meetings or presentations. The camera should support multiple video output interfaces including USB 2.0, HDMI with 4K60 compatibility, 3G-SDI, and Gigabit LAN for versatile deployment. It should provide full support for Dante AV-H and NDI®|HX2 protocols, allowing integration with SMPTE ST 2110-based IP systems with latency under 500μs. It should enable dual-stream encoding in H.264, H.265, and MJPEG, support frame rates from 1 to 60fps, and adjustable bitrates up to 20Mbps. Streaming protocols should include RTMP(S), RTSP, Onvif, SRT, and GB/T28181 for direct platform streaming. Key advanced features should include support for 255 preset positions with 0.1° accuracy, image freeze during preset recall, 3D digital noise reduction, auto/manual/one-push white balance, backlight compensation, and image flip (horizontal/vertical). Control interfaces should include RS232, RS485, and IP-based control with VISCA and Pelco-D/P protocol support. Audio I/O should be provided via 3.5mm jacks, with USB connectivity supporting UVC 1.1–1.5 standards. Power options should include DC 12V or PoE, with maximum power consumption of 24W. The camera should feature a compact, lightweight design (156.1×176.4×175.3mm, 1.51 kg) and operate in environments from 0°C to 40°C at 20–80% humidity, making it suitable for advanced and future-ready AV installations 8 SITC of 4K UHD+ 4×2HDMI Matrix with Audio Output provides the ability to connect up to four 4K UHD+ HDMI sources to up to two 4K UHD+ HDMI displays and freely switch between them. This unit comes with full support for 4K@60Hz (4:4:4, 8- bit) signals as well as support for 16-bit Deep Color, HDR (High Dynamic Range), 3D content, HD audio and other features defined by the HDMI 2.0 specification. A high-quality local analog stereo audio breakout from a selected HDMI output is also available. Each input’s EDID can be independently set to use either an internal (1080p@60Hz) or external (sink-copied) EDID. This unit also provides per-output auto source switching as well as connected display power control using CEC or RS-232 commands. 9 SITC of DSP (Digital Signal Processor) shall support Dante network audio transmission and routing, enabling high-quality and low-latency network audio distribution. It must offer 4 balanced analog input channels and 4 balanced analog output channels, 4×4 Dante channels (input/output), and a USB sound card interface with 1 input and 1 output. The system should also include 1 RS232 and 1 RS485 control interface. Input gain amplification must reach up to 36dB with 24-bit quantization and a 48kHz sampling rate. Each analog input must support 48V phantom power. The device must have a frequency response of 20Hz~20kHz (±0.15dB), THD+N ≤0.003%@4dBu, a digital-to-analog dynamic range of 114dBu, and a modulation dynamic range of 120dBu. The input impedance (balanced) should be 20kΩ and output impedance 100Ω, with channel isolation at 100dB@1kHz (4dBu) and common mode rejection at 52dB@60Hz. The maximum input/output level should be 18dBu, and the noise floor must not exceed -89dBu. The device should allow input and output signal matrix mixing with intuitive mixing component control. Each input channel should include a preamplifier, signal generator, expander, 5-band parametric EQ, and optional AFC, AEC, and ANC audio DSP processing, while each output should provide a speaker manager with a 31-band graphic EQ and limiter. Independent mute and phantom power switches per channel, and English name labeling must be available. The system should support control via PC and PAD clients, include a built-in control interface with online update capability, and operate in Windows XP/7/8/10 environments. It must also provide screen lock functionality to avoid mis-operation. Power supply must be flexible with support for AC110–220V, 50/60Hz; DC12V; and PoE (compatible with 802.3af switches). The unit’s dimensions shall be 142mm (W) × 157mm (D) × 46mm (H), and the device should operate reliably in environments ranging from -10°C to +40°C 10 SITC of 12U Rack with Fan, front door lockable,PDU 11 SITC of camera wall mount 12 SITC of Cables, HDMI, Speaker,Microphone,Cat6 13 SITC of Cables, HDMI, Speaker,Microphone,Cat6
