Central Controller MC-4850M

Highlight Features

MC-4850M – 2.4G Two-Way Infrared Conference System Central Controller

The MC-4850M is a professional 2.4G two-way central controller for modern infrared conference systems. It uses advanced 2.4GHz two-way transmission technology to ensure stable, secure and interference-resistant communication between microphones and the control unit. The system supports up to 250 microphones with a maximum of 8 active microphones simultaneously, making it ideal for large conference rooms, council chambers and international meeting facilities. The built-in 160×32 LCD display provides real-time system status and configuration information. Optional expansion via the DN-4850M processor allows further system scalability.

Key Features:

• 2.4GHz two-way wireless technology for stable and secure conference communication.

• Supports up to 250 microphones in a single conference system.

• Up to 8 active microphones simultaneously for efficient meeting discussions.

• Multiple microphone control modes including Limit (1/2/3), FIFO (1/2/3) and Chairman Only.

• Adaptive frequency hopping (1000 hops per second) ensures strong anti-interference performance.

• Automatic microphone mute supported via voice processing unit.

• 160×32 LCD matrix display shows system information and operating status.

• 19-inch, 2U rack-mount design for professional AV installations.

Technical Specifications:

• Model: MC-4850M

• Series: MC

• Product Type: 2.4G Two-Way Infrared Conference System – Central Controller

• Carrier Frequency: 2.4G (2400 – 2483 MHz)

• Audio Channels: 4 (1 Chairman + 3 Delegates)

• Spectrum Method: Adaptive frequency-hopping system, 1000 hops per second

• Transmission Power: ≤ 20 dBm

• Frequency Response: 20 Hz – 22 kHz

• Receiving Sensitivity: < −80 dBm

• Signal-to-Noise Ratio (S/N): 90 dB

• Power Supply: 230V~, 50Hz – 60Hz

• Power Consumption: 10 W

• Dimensions (W × H × D): 483 × 377 × 88 mm, 19-inch, 2U rack mount

• Net Weight: 3.9 kg

• 2.4G Wireless Conference System Antenna Kit – MC-4850M

• Ethernet Port: 1 × 10/100/1000 Mbps

• Console Port: 1 × RJ45

• Power Input: 12V DC / 2A via external adapter

• PoE Support:  IEEE 802.3at / 802.3bt power standard supported

• Transmit Power Fine Adjustment: 1 dBm steps

• Antenna:  Integrated smart intelligent antenna system

• Reset / Factory Restore: Supported

• Status Indicators: – Blue LED (System): Solid ON = normal operation; Blinking = idle/no activity; OFF at startup indicates boot error

• Operating / Storage Temperature:  0°C ~ 45°C

• Operating / Storage Humidity: 10% ~ 90% RH (non-condensing)

• Protection Class: IP41