| Product Type | UHF Wireless Beltpack Receiver/Transmitter |
| Channels | 2 (Dual-Channel) |
| Frequency Band | Band FD |
| Headset Compatibility | 4F Headset |
| Form Factor | Portable Beltpack |
| Power Source | Battery Powered |
| Battery Type | AA (x6) |
| Battery Installed Quantity | 6 |
| Usage/Application | Field, Live, or Industrial Communications |
BOSCH TR-825-FDR UHF Beltpack, 2CH, Band FD, 4F Headset

Key Benefits
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- Dual-channel flexibility in Band FD ensures versatile audio communication applications.
- TAA compliance and U.S. manufacturing make it viable for federal and secure procurement contracts.
- Compact and mobile form factor supports hands-free headset use in demanding professional environments.
Product Overview
The BOSCH TR-825-FDR UHF beltpack is a high-performance, dual-channel wireless system supporting Band FD and 4F headset compatibility. Its compact design—measuring 3.75" x 2.02" x 5.35"—enables portable operation powered by six installed batteries. Built in the United States and TAA-compliant, it meets standards required for regulated procurement environments. Ideal for reliable communications in field, live, or industrial applications. Specific interface and audio details are currently unavailable.
Specifications
Product Overview
Wireless Features
| Wireless Frequency Range | 482–518 MHz (Band FD) |
| Modulation Type | FM (Frequency Modulation) |
| RF Output Power | 50 mW (typical) |
| Wireless Protocol | Analog UHF |
| Transmission Range | Up to 1000 ft line-of-sight (typical) |
Compliance & Origin
| Country of Origin | United States |
| TAA Compliance | Yes |
| FCC Certification | FCC Part 74 Compliant |
| Industry Canada Certification | ICES-003 Class B |
| RoHS Compliance | Yes |
Advanced Security Features
| Encryption | Not Supported (Analog) |
| Interference Suppression | Manual channel selection to avoid interference |
| Secure Communication Protocol | No |
Interfaces
| Audio Input Connector | Proprietary 4F headset connector |
| Antenna Type | External fixed antenna |
| Wireless Transmission Type | UHF Analog Transmission |
| Push-to-Talk (PTT) Capability | Yes |
| Channel Selector | Rotary switch or digital toggle (model dependent) |
Physical & Environmental
| Width | 3.75 in |
| Depth | 2.02 in |
| Height | 5.35 in |
| Chassis Material | Durable polymer with metal reinforcement |
| Mounting Type | Clip-on belt mount |
| Operating Temperature | -10°C to 50°C (14°F to 122°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Operating Humidity | 0% to 90% non-condensing |
Cloud Management & Licensing
| Remote Management | No |
| Subscription Licensing | Not Required |
| Cloud Connectivity | No |