TYT MD-446 DMR Walkie Talkie VHF136-174MHz TDMA Digital Portable Radio Handheld Two Way Radio
MD-446 DMR Feature:
1. Frequency band VHF: 136-174MHz
2. 1000 channels
3. Battery Capacity:2000mAh
4. Dual antenna
5. Remote kill/stun/activate
6. Clock
7. Talkaround
8. Emergency Call
9. Manual Dial
10. Remote monitor
11. Remote check
12. Voice protection
13. Lone Worker
14. Programming password
15. Power-on protection
16. Color LCD display
17. Text messages in digital mode
18. Encryption function
19. Built-in CTCSS/DCS
20. Up to 1000 channels
21. Priority scan
22. Complying with digital protocol ETSI TS 102 361-1,-2,-3
23. Compatible with Mototrbo Tier 1&2
24. DTMF decoding and encoding
25. Updated software available for new features
26. Private call, group call, all call in digital mode.
27. Operate in both Digital & Analogue mode ,allows easily migrate from analog to digital
28. Provide clearer voice communications in digital mode ,throughout the coverage area
Specification:
General Specifications |
Frequency range |
VHF:136-174MHz |
Channel |
1000 Channels |
Channel Spacing |
12.5KHz |
Operating Voltage |
7.4V |
Battery Capacity |
Li-ion 2000mAh |
Operating Temperature |
-30°C+60°C |
Store Temperature |
-40°C+85°C |
Antenna Impedance |
50 ohm |
Audio Output Power |
<=1000mW 16ohm |
Dimension(H*W*D) |
131*61*36mm(Not Including Antenna) |
Weight |
258g |
Transmitter |
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% |
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 |
Each Unit Package Contain:
1 x TYT MD-446 DMR VHF Radio
1 x Ac Charger 110V -260V (Depends on your country)
1 x Battery
1 x 9.5cm Short Antenna
1 x 17cm Long Antenna
1 x Belt Clip
1 x English Manual
1 x Free PTT Earphone
Optional accessories:
Headsets
Speaker Microphone
Car Eliminator Battery
PC Programming cable with software
Multi Way Charger for MD-380 DMR
Li-ion Battery 2000mAh for MD-380 DMR (Click to buy.)
If bulk order, please contact Ms. Amy Huang:
Tel: 86(592)5995025
Fax: 86(592)3720556
WhatsApp: 86-13860123881
SKYPE: amy.446shop
Email: amy@446shop.com








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