Relacart TM-5H: Wireless Handheld Microphone
Model TM-5H
Overview
The TM-5H is a pen-style wireless handheld microphone created for teachers and presenters, combining UHF transmission with a laser pointer and presentation-control functions.
Its removable lithium battery, USB-C charging interface, and Qi wireless charging compatibility support convenient daily use with minimal downtime.
Used together with the TM-500 receiver or the IMIC-5 system, it provides an integrated audio and control solution tailored to modern educational environments.
Technical specifications
Type
UHF wireless handheld microphone (pen style)
Compatible System
TM-500, IMIC-5 systems and compatible Relacart UHF educational platforms
Carrier Frequency Range
521.25 MHz – 938.85 MHz (depending on region)
Frequency Stability
± 0.005%
Modulation
FM
Oscillation
Advanced PLL phase-lock technology
Working Range
≈ 50 m in ideal conditions
Audio Companding
Classic Relacart audio companding circuit
Frequency Response (audio)
50 Hz – 18 kHz (± 3 dB)
Dynamic Range
> 100 dB
Signal-to-noise Ratio (A-weighted)
> 100 dB
THD
< 0.6% @ 1 kHz
Operating Temperature Range
-10 °C to +50 °C
Microphone Capsule
Integrated microphone capsule optimized for voice (pen type)
Integrated Functions
Laser pointer for presentation support · Control buttons for system functions (e.g., slide navigation, depending on configuration with TM-500) · IR synchronization with receiver/central unit
Battery
Removable built-in lithium battery
Operating Time
≥ 8 hours of continuous use per charge
Charging Interface
USB type C (USB-TYPE-C)
Wireless Charging
Compatible with QI-certified wireless charging station (optional)
Power Consumption
Low consumption, optimized for daily classroom use
Applications
Education, classrooms, training rooms, corporate presentations, and conferences
Key features
- Compact, lightweight pen-style design suited to long sessions in classrooms and presentations.
- Advanced PLL circuitry with wide UHF frequency coverage and strong frequency stability.
- Integrated laser pointer and control keys that can interact with Relacart systems and external controllers for slide navigation.
- Removable lithium battery with at least 8 hours of operation, rechargeable via USB-C or an optional Qi wireless charging dock.
- Professional audio quality thanks to Relacart's classic companding circuit, with 50 Hz to 18 kHz response and dynamic range above 100 dB.
- Designed for educational and corporate systems, compatible with TM-500, IMIC-5, and Relacart UHF ecosystems.
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