BF-TD446S is a compact and durable digital license free handheld radio. Its long battery life guarantees great performances all the way through. Also, it delivers a consistently clear human voice without any background noise, With DMR two timeslots, BF-TD446S is the best choice for personal use, recreation, small retail and other settings that do not require wide area coverage or advanced features.
Highlights
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Digital/analog Dual Modes
BF-TD446S gives you a smooth transition from the analog world to the digital.
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A Longer Battery Life
BF-TD446S can function for longer than any conventional analog radios. Battery life is one less thing to worry about!
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Small Size and Lightweight
BF-TD446S is small enough to be held comfortably in your hand and light enough not to be a burden.
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Excellent Audio Quality
The FEC technology and AMBE+2TM vocoder deliver a clear and crisp audio.
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Private Call, Group Call And All call (programmable)
The versatile calling functions bring more efficiency to your teamwork.
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Scan/ Monitor (programmable)
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
This function enables a radio with higher level to interrupt communications between radios with lower levels, giving higher priority to radios with higher levels. This means better dispatching efficiency.
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DMO Pseudo Trunk
The user can choose slot 1 or slot 2 for communications. When one slot is occupied, the radio will automatically switch into the free slot. Frequency efficiency is greatly increased.
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DMO True 2-Slot
In direct mode, this radio supports two voice calls simultaneously due to DR two time slots, which means two communication paths at 1 frequency with no extra costs or frequency license.
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Digital/Analog Dual Modes
Receive both analog and digital signals on a single channel and can automatically switch into the needed mode for efficient communications.
Specifications
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General
| Frequency Range | UHF: 446.0-446.2MHz |
| Channel Capacity | 32 |
| Zone | 2 |
| Channel Spacing | 12.5KHz |
| Working Voltage | DC7.4V (±20％) |
| Frequency Stability | ±1.5ppm |
| Antenna Impedance | 50Ω |
| Battery Capacity | Real 1800mAh (Li-pol Battery) |
| Dimension | 57(L)* 30(W)* 105(H) mm |
| Weight | 216g (including battery pack) |
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Transmitter
| Power Output | 0.5W |
| 4FSK Modulation | 12.5KHz data only: 7K60FXD; 12.5KHz data and voice: 7K60FXE |
| FM Modulation | 12.5KHz: 8K50F3E |
| Modulation Limitation | +/- 2.5KHz @ 12.5KHz; +/- 5KHz @ 5KHz |
| FM Noise | -40dB |
| Spurious Emission | -36 dBm≤1GHz; -30 dBm≥1GHz |
| Adjacent Channel Power | ≤-60dB |
| Frequency Response | +1/-3dB |
| Digital Vocoder | AMBE+2™ |
| Audio Distortion | ＜3% |
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Receiver
| Digital Sensitivity | 5% BER: 0.25 uV |
| Analog Sensitive | 0.25 uV (12 dB SINAD) |
| Intermodulation | 60dB |
| Adjacent Channel Selection | 60dB |
| Spurious Suppression | 60dB |
| FM Noise | -40dB |
| Frequency Response | +1/-3 dB |
| Rated Audio Power | 1.5W |
| Rated Audio Distortion | 3% (typical) |
| Conduction Radiation | -57dBm |
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Environmental Specifications
| Operational Temperature | -20℃~+60℃ |
| Storage Temperature | -30℃~+85℃ |
| Dust & Water Proof | IP54 |
| Shock & Vibration | MIL-STD-810C/D/E/F |
