Device Type | UHF Beltpack |
Supported Channels | 2 |
Frequency Band | Band A3 |
Integrated Headset | 5F Headset |
Form Factor | Portable Beltpack |
Weight | Approximately 0.7 lbs (317.5 g) |
Power Requirements | Battery Operated |
Battery Type | AA (Alkaline or NiMH) |
Battery Installed Quantity | 6 |
BOSCH TR-825 A3 R5 US UHF Beltpack, 2CH, Band A3, 5F Headset




Key Benefits

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- Ideal for professional audio and event coordination with reliable wireless transmission.
- TAA compliance and U.S. manufacturing make it suitable for regulated or government procurement.
- Compact and battery-powered design supports mobility and long operation time in the field.
Product Overview
The BOSCH TR-825 A3 R5 US is a professional-grade UHF beltpack supporting 2-channel operation on Band A3 with an integrated 5F headset. Designed and manufactured in the United States, it is TAA-compliant, making it suitable for regulated contracting environments. The compact dimensions—3.75" width, 2.02" depth, and 5.35" height—combine with a robust battery configuration of six installed units to offer long-lasting and portable performance. Ideal for event coordination, technical operations, and professional audio scenarios, this BOSCH beltpack brings field-proven reliability with user-focused design.
Specifications
Product Overview
Wireless Features
Wireless Technology | UHF Analog |
Transmission Frequency Range | 482–498 MHz (Band A3) |
Modulation Type | FM Narrowband |
Channel Bandwidth | 25 kHz |
Number of Selectable Frequencies | 25 |
Operating Range | Up to 1100 ft (335 m) line-of-sight |
Compliance & Origin
Country of Origin | United States |
TAA Compliant | Yes |
FCC Certification | Part 74 (Broadcast Auxiliary Device) |
RoHS Compliance | Yes |
WEEE Compliance | Yes |
Advanced Security Features
Encryption Support | No |
Interference Protection | RF channel selectivity and frequency agility |
Interfaces
Audio Input Connector | TA5M Mini XLR (for headset) |
Headset Compatibility | Compatible with RTS headsets |
Intercom Interface | UHF Wireless Duplex Audio |
Antenna Connector Type | Fixed Integrated Antenna |
Audio Channels | 2-channel full-duplex audio |
Audio Output Level | Adjustable via headset |
Physical & Environmental
Width | 3.75 inches (95.25 mm) |
Depth | 2.02 inches (51.3 mm) |
Height | 5.35 inches (135.9 mm) |
Mounting Options | Belt clip included |
Operating Temperature Range | -4°F to 131°F (-20°C to +55°C) |
Storage Temperature Range | -40°F to 158°F (-40°C to +70°C) |
Relative Humidity (non-condensing) | 0% to 95% |
Enclosure Material | High-impact ABS |
Cloud Management & Licensing
Cloud Management | Not supported |
License Requirement | No special software license required |