Product Type | Handheld Wireless Microphone Transmitter |
Microphone Head | RE520 Condenser Supercardioid |
Form Factor | Handheld |
Wireless Technology | UHF |
Power Requirements | 2 x AA Batteries (Alkaline or NiMH) |
Battery Life | Up to 10 hours (alkaline) |
Display | Backlit LCD display |
Housing Material | Metal |
RF Output Power | 10 mW and 50 mW switchable |
Modulation | Digital Coded Squelch (DCS), Phase-Locked Loop (PLL) Synthesized |
Bosch RE3-HHT520-6M Handheld Wireless Transmitter, 653-663 MHz

Key Benefits

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- - Features the high-performance RE520 head for clear and accurate audio capture.
- - Wireless design in the 653–663 MHz range ensures operational flexibility for mobile applications.
- - Complies with TAA requirements, making it ideal for federal or regulated environments.
Product Overview
The Bosch RE3-HHT520-6M handheld transmitter is a professional-grade wireless microphone operating in the 653–663 MHz range. Featuring the RE520 microphone head, it offers high-fidelity audio ideal for live events, presentations, and broadcast use. With wireless connectivity, it allows greater performer mobility. The device is TAA-compliant and made in Taiwan, suitable for professional and institutional applications. Due to limited data, specifics such as battery type or digital interface are not available.
Specifications
Product Overview
Wireless Features
Frequency Range | 653 – 663 MHz |
Channel Bandwidth | 36 MHz |
Tunable Channels | Up to 1440 freqs |
Wireless Range | Up to 100 meters line-of-sight |
Microphone Polar Pattern | Supercardioid |
Microphone Type | Electret Condenser |
Frequency Response | 80 Hz – 20 kHz |
Microphone Sensitivity | -52 dBV/Pa |
Sound Pressure Level (SPL) | ≥140 dB SPL |
Companding | Electro-Voice proprietary |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
Certifications | FCC, CE, IC |
RoHS Compliance | Yes |
Advanced Security Features
Encryption | Yes (proprietary encrypted RF transmission) |
Interference Protection | Yes, via auto frequency scan and sync |
Interfaces
Audio Interface | RE520 Condenser Capsule Integrated |
Antenna Type | Integrated |
Data Connection | |
Sync Method | IR Sync with Receiver |
Physical & Environmental
Dimensions | 10.2 × 1.97 inches (260 × 50 mm) |
Weight (with batteries) | 330 g (11.6 oz) |
Operating Temperature | -5°C to +45°C (23°F to 113°F) |
Storage Temperature | -20°C to +65°C (-4°F to 149°F) |
Operating Humidity | 5% – 95% relative humidity (non-condensing) |
Cloud Management & Licensing
Remote Management | |
Cloud License Included |