TYTERA MD-280 UHF 400-480MHz DMR Digital Two-Way Radio
TYTERA MD-280 UHF 400-480MHz DMR Digital Two-Way Radio
※This radio is compatible with Motorola DMR radio
Main Features:
Use Time-Devision Multi-Access (TDMA) digital technology
High/Low power selective
Single call, Group call, All call function
Voice prompt
Monitor
32 channels
Low power alarm
SQL
VOX function
Wide/Narrow bandwidth selectable
Lone work
Channel scanning/Priority scanning
End-tone elimination
Emergency alarm
Programmable multifunction key
TOT
Voice encryption
Talk around
Digital and Analog combined
Specification:
Item number
|
MD-280
|
General
| |
Frequency Range
|
400-480MHz
|
Channel No.
|
32
|
Channel Spacing
|
12.5KHz
|
Antenna Impedance
|
50Ω
|
Operating Voltage
|
7.5 V
|
Operating Temperature
|
-30°C+60°C
|
Audio Output Power
|
≤1000mW@16Ω
|
Dimension(W x H x D)
|
128x61x38mm(not including Antenna)
|
Battery
|
1700mAh Li-ion
|
Transmitter
| |
Output Power
|
High: ≤5W Low:≥1W
|
Vocoder Type
|
AMBE+2TM
|
Frequency Stability
|
± 1.0 PPM
|
Adjacent Channel Power
|
≤-60dB
|
Free Time Slot Power
|
TDMA: ≤-57dBm
|
Spurious Radiation
|
Antenna:9KHz-1GHz , ≤ -36dBm
1GHz-12.75GHz , ≤-30dBm
|
Hum and noise
|
-40dB @12.5KHz
|
4FSK Digital Mode
|
12.5KHz(data only):7k60FXD
12.5KHz(data+voice)7k60FXE
|
Modulation Maximum Deviation
|
2.5KHz@12.5KHz
|
Modulation BER(Bit Error Rate)
|
≤5%
|
Receiver
| |
Analog Sensitivity
|
0.35uV/-116dBm(20dB SINDA)
0.22uV/-120dBm(Type)
|
Digital Sensitivity
|
0.3uV/-117.4dBm(BER 5%)
0.22uV/-100dBm(BER 1%)
|
Co-channel Rejection
|
≥-12dB
|
Rated Audio Distortion
|
3%(TYPE)
|
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