Product Type | UHF Beltpack Transceiver |
Form Factor | Bodypack (Belt-worn) |
Channels | 2-channel |
Frequency Band | Band C3 |
Included Accessories | 4F Headset |
Power Source | Battery-powered |
Battery Type | AA Alkaline or NiMH Rechargeable |
Number of Batteries Required | 6 |
Battery Life | Up to 10 hours (typical) |
Weight | Approx. 0.8 lbs (without batteries) |
BOSCH UHF Beltpack 2CH Band C3 with 4F Headset




Key Benefits

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- Designed for professional, high-clarity communication in live event and stage environments
- TAA compliance and US manufacturing enable deployment in government or security-sensitive contexts
- Compact and battery-powered design supports extended, mobile usage in dynamic work settings
Product Overview
The BOSCH TR-825 C3 R4 US UHF Beltpack is a two-channel communication device operating in Band C3, complete with a 4F headset. Its compact dimensions (3.75" W x 2.02" D x 5.35" H) allow for comfortable wear during active use. Powered by six batteries, it ensures reliable performance over long periods. Manufactured in the United States and TAA compliant, this beltpack is suitable for professional and government use. Designed for portability without sacrificing audio quality, it excels in high-demand environments such as event management and stage production.
Specifications
Product Overview
Wireless Features
Technology | UHF Wireless |
Operating Frequency Range | 482-518 MHz (Band C3) |
Tuning Bandwidth | Up to 36 MHz |
Modulation Type | FM (Frequency Modulation) |
Receiver Type | True diversity reception |
Intermodulation Immunity | High |
Transmission Modes | Push-to-talk, always-on |
Compliance & Origin
Country of Origin | United States |
TAA Compliance | Yes |
FCC Certification | Part 74 Compliant |
RoHS Compliance | Yes |
WEEE Compliance | Yes |
Advanced Security Features
Encryption | No (analog transmission) |
Tamper-proof Design | Yes |
Frequency Coordination Support | Yes (manual) |
Interfaces
Audio Connector | 4-pin female headset connector (XLR-4F) |
Headset Output | Yes |
External Control Interface | Yes (programmable buttons) |
Physical & Environmental
Width | 3.75 in (95.25 mm) |
Depth | 2.02 in (51.31 mm) |
Height | 5.35 in (135.89 mm) |
Housing Material | High-impact ABS plastic |
Mounting Type | Belt clip |
Operating Temperature | -20°C to +55°C |
Storage Temperature | -40°C to +85°C |
Relative Humidity | Up to 95% (non-condensing) |
Cloud Management & Licensing
Cloud Management | Not applicable |
Software Licensing Required | No |