Relacart IMIC-5: Single-Channel UHF Wireless Receiver
Model IMIC-5
Overview
The IMIC-5 is a single-channel UHF wireless receiver with antenna diversity, developed specifically for educational and presentation applications.
Its 8-band architecture with 50 channels per band and a total bandwidth of up to 128 MHz allows operation in congested environments with ample frequency flexibility.
The expansion functions via RS-485, USB, and automatic synchronization with the EC-50 facilitate management of multiple classrooms and systems from a central point.
Technical specifications
Device Type
Single-channel UHF wireless receiver with antenna diversity
Primary Application
Wireless microphone systems for education, classrooms, and training rooms
Reception Frequency Range
521.25 MHz – 936.85 MHz (region dependent)
Reception Bandwidth
Up to 128 MHz
Reception Method
FM superheterodyne antenna diversity reception
RF Sensitivity
5 dBv, S/N ≥ 60 dB at 25 kHz deviation
Modulation
FM
Maximum Deviation
± 45 kHz
Signal-to-noise Ratio
≥ 100 dB (typical)
Dynamic Range
≥ 95 dB (A-weighted)
Total Harmonic Distortion
< 0.7% @ 1 kHz
Frequency Response (audio)
65 Hz – 16 kHz (approx., optimized for voice)
Bands And Channels
8 frequency bands, each 16 MHz wide with 50 selectable channels
Antenna Interface
2 × antenna connectors (diversity)
Audio Outputs
1 × balanced output (XLR) and 1 × unbalanced output (6.3 mm jack), adjustable level
Output Level Range
From MUTE to +11 dBV, mechanical adjustment
Control And Expansion
RS-485 port for external control; USB port for PC connection
Special Functions
Support for automatic microphone synchronization via EC-50 synchronizer · Gain, squelch (SQ), and high-pass filter control from menu · Key lock mode to prevent accidental changes
Power Supply
DC 12 V / 1 A
Operating Current
≈ 220 mA (typical)
Dimensions
240 mm (L) × 164 mm (D) × 44 mm (H approx.)
Weight
Lightweight desktop unit, suitable for small rack or tabletop installation
Applications
Classrooms, small meeting rooms, training centers, educational conference rooms
Key features
- Single-channel UHF receiver with antenna diversity for greater stability and fewer dropouts.
- Up to 8 frequency bands, 16 MHz wide per band, with 50 selectable channels per band to avoid interference.
- RS-485 and USB connectivity enabling remote control from a PC and centralized management systems.
- Compatible with the EC-50 synchronizer for automatic microphone sync without complex manual intervention.
- Balanced and unbalanced outputs with adjustable level from MUTE to +11 dBV to accommodate different mixers and sound systems.
- Education and training-oriented design, easily integrated into AV systems in classrooms and lecture halls.
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