BF-TD821 is a high power DMR migration radio with a high power output of 7W. It enjoys a communication range of up to 15km long, and consistently delivers a clear and loud digital audio even in the fringe areas. Its rugged, compact and ergonomic design features with anti-slip function, making it an ideal choice for a great variety of users, like public securities, construction sites, shopping malls and so on.
Highlights
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Private Call, Group Call And All Call
The versatile calling functions bring more efficiency to your teamwork.
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A Longer Battery Life
BF-TD821 can function for longer than any conventional analog radios.(digital 17 hours; analog 13 hours)
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Automatic Roaming
In an IP multi-site network, this feature enables BF-TD821 to
automatically roam among all sites and stay connected, delivering more flexibility and efficiency.
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Excellent Audio Quality
Excellent digital audio quality comes from the AMBE + 2 vocoder and FEC technology
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Scan/ Monitor
At a convenient push of a button, you can monitor all the conversations on your channel, or you can scan conversations on different channels.
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Radio Priority-Based Interruption
A radio with higher priority can interrupt communications between radios with lower priorities, either to transmit or to clear a channel for more important communications. This brings better dispatching efficiency to the team.
BF-TD821
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DMO Pseudo Trunk
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Digital/Analog Dual Modes
Specifications
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General
| Frequency Range | VHF:136-174MHz; UHF:350-390 MHz,400-480 MHz,450-520 MHz |
| Channel Capacity | 160 |
| Zone | 32 |
| Channel Spacing | 12.5KHz |
| Working Voltage | DC 7.4V (±20%) |
| Battery Capacity | 2600mAh |
| Average Battery Life（5/5/90） | Digital 17 hours |
| Frequency Stability | ±1.5ppm |
| Antenna Impedance | 50Ω |
| Dimension | 59 (L) *33 (W) *115 (H)mm |
| Weight | 236g(including battery) |
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Transmitter
| Power Output | High power: 5W; Middle power: 3W; Low power: 1W |
| 4FSK Modulation | 12.5kHz only data ：7K60FXD; 12.5kHz data and audio ：7K60FXE |
| FM Modulation | 12.5 kHz ：8K5ΦF3E； |
| Modulation Limitation | +/- 2.5kHz @ 12.5kHz; |
| FM Noise | -40dB |
| Spurious Emission | -36 dBm≤1GHz/-30 dBm≥1GHz |
| Adjacent Channel Power | ≤-60dB |
| Frequency Response | +1/-3 dB |
| Audio Distortion | 0.03 |
| Digital Vocoder | AMBE3000 |
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Receiver
| Digital Sensitivity | 5% BER ：0.25 uV |
| Intermodulation | 60dB |
| Adjacent Channel Selection | 60 dB |
| Spurious Suppression | 70 dB |
| FM Noise | -40dB |
| Frequency Response | +1/-3 dB |
| Rated Audio Power | 1W |
| Rated Audio Distortion | 3% (Typical) |
| Conduction Radiation | -36dBm |
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Environmental Specifications
| Operational Temperature | -20℃—+60℃ |
| Storage Temperature | -30℃—+85℃ |
| Dust & Water Proof | IP54 |
