| Product Type | UHF Beltpack Transceiver |
| Channels | 2 (Dual Channel) |
| Band | UHF Band B3 (566–608 MHz) |
| Form Factor | Beltpack |
| Included Accessories | 4F Headset |
| Power Source | AA Batteries (x6) |
| Battery Type | Alkaline or NiMH Rechargeable |
| Battery Life | Up to 10 hours (depending on batteries and usage) |
| Weight | Approx. 15.8 oz (without batteries) |
BOSCH TR-82N B3 R4 US UHF 2CH Beltpack with 4F Headset

Key Benefits
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- Built by BOSCH, ensuring high standards and reliability in portable audio communications
- Designed and manufactured in the United States, supporting TAA compliance for federal use
- Dual-channel support and compact footprint enhance versatility and portability in professional environments
Product Overview
The BOSCH TR-82N B3 R4 US is a professional-grade UHF beltpack tailored for portable audio applications. Supporting dual-channel (2CH) functionality in Band B3 and equipped with a 4F headset, this unit is optimized for live productions and broadcast communications. It features a compact form factor (3.75"W x 2.02"D x 5.35"H) and uses six batteries for long usage. Manufactured in the United States and TAA-compliant, it's well-suited for both commercial and federal deployments.
Specifications
Product Overview
Wireless Features
| Modulation Type | FM Analog |
| RF Frequency Range | 566–608 MHz (Band B3) |
| Selectable Frequencies | Selectable in 25 kHz steps |
| Channel Spacing | 25 kHz |
| RF Output Power | 50 mW (typical) |
| Receiver Type | True Diversity |
| Antenna Type | Integrated Flex Antenna |
Compliance & Origin
| Country of Origin | United States |
| TAA Compliant | Yes |
| FCC Certification | Part 74 Subpart H |
| Industry Canada Certification | Yes |
| CE Marking | Yes |
| RoHS Compliance | Yes |
Advanced Security Features
| Encryption | No (Analog transmission) |
| Interference Protection | Channel Selectable, True Diversity Reception |
Interfaces
| Connector Type | 4-pin Female (4F) XLR for headset |
| Antenna Connector | Fixed Antenna |
| Programming Interface | IR Sync or Front Panel Controls |
| Audio Input | Mic/Line Input (via headset connector) |
| Audio Output | Headset Output |
Physical & Environmental
| Width | 3.75 in |
| Depth | 2.02 in |
| Height | 5.35 in |
| Operating Temperature Range | -4°F to +122°F (-20°C to +50°C) |
| Storage Temperature Range | -40°F to +185°F (-40°C to +85°C) |
| Humidity (Operating) | Up to 95% non-condensing |
| Housing Material | High-impact ABS Plastic |
Cloud Management & Licensing
| Remote Configuration | IR-based local configuration only |
| Cloud Management Capability | |
| License Required | May require frequency coordination or license depending on jurisdiction |