Product Type | Wireless Handheld Microphone Transmitter |
Microphone Type | Condenser |
Microphone Head | RE520 |
Polar Pattern | Supercardioid |
Form Factor | Handheld |
Frequency Response | 50 Hz – 20 kHz |
Signal-to-Noise Ratio | ≥ 133 dB |
Maximum SPL | 140 dB SPL |
Power Requirements | 2 x AA alkaline or NiMH batteries |
Battery Life (Alkaline) | Up to 10 hours |
Transmitter Type | RE3-HHT520-5L |
BOSCH Handheld Transmitter with RE520 Head, 488-524 MHz


Key Benefits

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- Offers professional-grade wireless audio performance ideal for presentations and live events.
- TAA compliance ensures it is suitable for government and institutional procurement.
- Reliable manufacturing in Taiwan enhances build quality and performance consistency.
Product Overview
The BOSCH RE3-HHT520-5L is a professional-grade wireless handheld transmitter featuring the RE520 microphone head, operating within the 488-524 MHz frequency band. Designed for clear, consistent voice capture, it suits a variety of settings such as live events and professional presentations. Its TAA compliance lends itself to institutional and government use, and it is manufactured in Taiwan, ensuring build quality. While further technical specifications on range and battery performance are not available, the product is tailored for users demanding reliability in wireless vocal transmission.
Specifications
Product Overview
Wireless Features
Radio Frequency Range | 488–524 MHz |
Number of Frequency Channels | Up to 36 MHz tuning bandwidth |
Wireless Modulation Type | Digital |
Receiver Compatibility | Compatible with RE3 series receivers |
Antenna | Internal |
Transmission Range | Up to 100 m (line-of-sight) |
Latency | 3.5 ms |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
FCC Compliance | Part 74 |
RoHS Compliant | Yes |
REACH Compliant | Yes |
Advanced Security Features
Encryption |
Interfaces
Connectivity Technology | Wireless |
Audio Output | Digital RF via paired receiver |
Companding | Proprietary digital companding for improved audio clarity |
Physical & Environmental
Dimensions | 10.5 in length x 2.1 in diameter (approx. 266 mm x 53 mm) |
Weight | Approximately 330 g (with batteries) |
Housing Material | Metal |
Operating Temperature | 0 to 50 °C |
Storage Temperature | -20 to 70 °C |
Relative Humidity | 0–95% (non-condensing) |
Cloud Management & Licensing
Cloud Management Capabilities | |
License Requirements | License-free operation in compliant regions under FCC Part 74 |