BF-TD821
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BF-TD821

DMR Portable Radio

BF-TD821

BF-TD821 is a high power DMR handheld radio with 7W outputting power. It has longer communication coverage with distance up to 15km point-to-point, and provides clear and loud digital audio communication even in the edge area. With Rough, compact, ergonomic design features with anti-slip function, it is widely used in construction, public security, business…..
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Features & Benefits
Specification
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Compact Size and Light Weight

Hold in hand in whole workday without difficulty, easy handle with anti-slipping design


Digital/Analog Mixed Communication

Automatically detect and receive an incoming analog/digital signal in digital/analog mixed mode for a single channel, smooth and easier for migration from analog to digital


Excellent Audio Quality

Excellent digital audio quality with AMBE+27M vocoder and FEC technology


Private call, Group call and All call

Flexible communication for efficient cooperation


Voice Encryption

Confirm discreet communication with voice encryption function


Remote Kill/Revive

Remotely disable function to preventdata&information let out from a missing radio


Long Battery service time

Withstand whole using don't need charging halfway(digital 17 hours, analog 13 hours)


Two-channel Digital TDMA System

BelFone Radio: Two-channel Digital TDMA System


Digital/Analogue Mixed mode

BelFone Radio: Digital/Analogue Mixed mode



General
Frequency range
VHF:136-174MHz; UHF:350-390 MHz,400-480 MHz,450-520 MHz
Channel Capacity
160
Zones
32
Channel Spacing
12.5KHz
Operating Voltage
DC 7.4V (±20%)
Battery capacity
2600mAh
Battery Life (5/5/90)
Digital 17 hours
Frequency Stability
±1.5ppm
Antenna Impedance
50Ω
Dimensions (L×W×H)
59 (L) *33 (W) *115 (H)mm
Weight
236g(including battery)
Transmitter
RF Output Power
High Power:5W; Low Power:1W
4FSK Modulation
12.5kHz only data :7K60FXD; 12.5kHz data and audio :7K60FXE
FM Modulation
12.5 kHz :8K50F3E;
Modulation Limiting
+/- 2.5kHz @ 12.5kHz;
FM Noise
-40dB
Conducted Emission
-36 dBm≤1GHz/-30 dBm≥1GHz
Adjacent Channel Power
≤-60dB
Audio Response
+1/-3 dB
Audio Distortion
0.03
Digital Voice coder Type
AMBE3000
Receiver
Digital Sensitivity
5% BER :0.25 uV
Intermodulation
60dB
Adjacent Channel Selectivity
60 dB
Spurious Response Rejection
70 dB
FM Noise
-40dB
Audio Response
+1/-3 dB
Audio output power
1W
Audio Distortion
3% (Typical)
Conducted Spurious Emission
-36dBm
Environmental Specifications
Operating Temperature
-20℃—+60℃
Storage Temperature
-30℃—+85℃
Humidity
MIL-STD-810C/D/E/F Standard
Vibration & Shock
MIL-STD-810C/D/E/F Standard
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BF-TD821
BF-TD821
DMR Portable Radio
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