TYT MD-446 DMR Walkie Talkie
Feature:
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Frequency band UHF: 400-480MHz Or VHF: 136-174MHz
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1000 channels
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Battery Capacity:2000mAh
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Dual antenna
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Remote kill/stun/activate
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Clock
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Talkaround
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Emergency Call
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Manual Dial
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Remote monitor
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Remote check
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Voice protection
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Lone Worker
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Programming password
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Power-on protection
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Color LCD display
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Text messages in digital mode
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Encryption function
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Built-in CTCSS/DCS
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Up to 1000 channels
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Priority scan
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Complying with digital protocol ETSI TS 102 361-1,-2,-3
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Compatible with Mototrbo Tier 1 2
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DTMF decoding and encoding
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Updated software available for new features
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Private call, group call, all call in digital mode.
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Operate in both Digital & Analogue mode ,allows easily migrate from analog to digital
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Provide clearer voice communications in digital mode ,throughout the coverage area
Specification:
| General Specifications | |
| Frequency range | UHF:400-480MHz Or VHF: 136-174MHz |
| Channel | 1000 Channels |
| Channel Spacing | 12.5KHz |
| Operating Voltage | 7.4V |
| Battery Capacity | Li-ion 2000mAh |
| Operating Temperature | -30C+60C |
| Store Temperature | -40C+85C |
| Antenna Impedance | 50 ohm |
| Audio Output Power | <=1000mW 16ohm |
| Dimension(H*W*D) | 131*61*36mm(Not Including Antenna) |
| Weight | 258g |
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Transmitter |
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| Output power | High<=5W(HI) Low<=1W(Low) |
| Frequency Stability | 1.0PPM |
| Adjacent Channel Power | <=-60dB |
| Free Time Slot Power | TDMA<=57dBm |
| Hum and Noise | -40dB 12.5KHz |
| Spurious Radiation | Atenna:9KHz-1GHz <=-36dBm 1GHz-12.75GHz <=-30dBm |
| FM Modulation Mode | 12.5KHz:11K0F3E |
| 4FSK Digital Mode | 12.5KHz(data only):7K60FXD 12.5KHz(data +voice):7K60FXE |
| Modulation Maximum Deviation | 2.5KHz 12.5KHz |
| Nonactive Slot Power | -57dBm |
| Digital Protocol | ETSI TS 102 361-1 -2 -3 |
| Vocoder Type | AMBE+2TM |
| Audio Response | +1dB~-3dB |
| Modulation BER(Bit Error Rate) | <=5% |
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Receiver |
|
| Analog sensibility | 0.35µV/-116dBm(20dB SINDA) 0.22µV/-120dBm(Type) |
| Digital sensibility | 0.3µV/-117.4dBm (BER 5%) 0.22µV/-110dBm (BER 1%) |
| Co-channel Rejection | >=-12dB |
| Adjacent Channel Selectivity | TIA603C:65dB ETSI:60dB |
| Spurious Response | TIA603C:75dB ETSI:70dB |
| Rated audio power | 1W |
| Audio response | +1dB –3dB |
| Rated audio distortion | 3%(Type) |
| Spurious Radiation | Antenna:9KHz-1GHz <=-57dBm 1GHz-12.75GHz <=-47dBm |
Package Include:
1 x TYT MD-446 Digital 2-ways Radio (DMR)
2 x Antenna
1 x Li-ion Battery
1 x Belt Clip
1 x Charger EU/US
1 x Adapter
1 x User’s Manual
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