Product Type | Wireless Handheld Microphone Transmitter |
Transmitter Model | RE3-HHT420-5L |
Microphone Capsule | RE420 Condenser |
Form Factor | Handheld |
Frequency Band | 488–524 MHz |
Modulation Type | Digital |
Audio Output Type | Wireless RF Signal |
Display Type | Backlit LCD |
Power Source | 2 AA batteries |
Battery Life | Up to 10 hours |
RF Power Output | 10 mW typical |
Weight | Approx. 333 g (including batteries) |
BOSCH RE3-HHT420-5L Handheld Wireless Microphone, 488-524 MHz


Key Benefits

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- Offers wireless freedom and RE420 head quality for professional-grade audio capture.
- TAA compliance ensures suitability for regulated and government environments.
- UHF frequency band (488–524 MHz) supports stable signal integrity in demanding AV setups.
Product Overview
The BOSCH RE3-HHT420-5L is a versatile wireless handheld microphone transmitter equipped with the RE420 condenser capsule, engineered for accurate sound capture and transmission. Operating within the 488-524 MHz frequency range, it caters well to environments requiring flexible wireless performance while minimizing signal interference. This frequency band is often selected for professional AV use in corporate, educational, and performance settings.
This handheld transmitter offers reliable wireless connectivity, making it suitable for dynamic stage use, conference settings, and broadcast applications where user mobility and signal clarity are essential. It supports TAA compliance, indicating suitability for government and institutional deployments. The unit is manufactured in Taiwan and is designed to meet rigorous quality standards.
While specific output power, battery specifications, and RF modulation details are not provided, the system's core attributes—wireless transmission, RE420 head integration, and professional-grade audio fidelity—position it as a strong choice for demanding audio environments. Avoiding the complexity of wired setups, it streamlines user interaction without compromising performance.
Specifications
Product Overview
Wireless Features
Wireless Transmission Method | UHF |
Simultaneous Channel Support | Up to 10 channels simultaneously |
Tuning Bandwidth | 36 MHz |
Channel Selection | Auto and Manual Frequency Selection |
Encryption | Not Supported |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
FCC Certification | Yes |
RoHS Compliant | Yes |
Advanced Security Features
Secure Frequency Coordination | Receiver-based Scanning and Sync |
Group and Channel Control | Yes, via Receiver Settings |
Interfaces
Audio Interface | Internal Condenser Microphone Capsule |
Antenna Type | Internal (Hidden) |
Synchronization | IR Sync with Receiver |
Connector for Charging/Data | None (Manual Battery Replacement) |
Physical & Environmental
Dimensions | Length: 256 mm × Diameter: 54 mm |
Housing Material | Metal |
Color | Black |
Operating Temperature | 0°C to +45°C (32°F to 113°F) |
Storage Temperature | -10°C to +60°C (14°F to 140°F) |
Operating Humidity | 5% to 85% non-condensing |
Cloud Management & Licensing
Wireless Management | Local Management via Paired Receiver |
License-Free Operation | Yes (in supported frequency ranges) |
Software Support | Compatible with Bosch RE3 Series Receivers |