

|
D550 5W DMR Digital Radio: AES256 Encryption Industrial Walkie Talkie
|
|
|
Frequency Range
|
136~174MHz
350~400MHz 400~470MHz |
|
Channel Capacity
|
48 Channels
(3 Zones) |
|
Channel Spacing
|
12.5kHz/25KHz
|
|
Operating Voltage
|
7.4V
|
|
Battery Capacity
|
1800mAh
|
|
Battery Life
(5/5/90) |
Analog:10.8hours
Digital:14hours |
|
Vocoder Type
|
AMBE+2
|
|
Frequency Stability
|
±1.0ppm
|
|
Antenna Impedance
|
50Ω
|
|
Dimensions
(H×W×D) |
126*62*41mm
|
|
Weight
|
Around 269g
|
|
Receiver
|
|
|
Analog Sensitivity
|
0.2μV(FM @ 12dB SINAD)
|
|
Digital Sensitivity
|
0.22μV(typ.) (@ 5% BER)
|
|
Adjacent Channel
Selectivity |
60dB @ 12.5kHz
65dB @ 25kHz |
|
Intermodulation
|
60dB @ 12.5kHz
60dB @ 25kHz |
|
Blocking
|
84dB @ 12.5kHz
84dB @ 25kHz |
|
Co-Channel Interference
Suppression |
-12~0 dB @12.5KHz
-8~0 dB @25KHz |
|
Spurious Response
Rejection |
65dB @ 25kHz
65dB @ 25kHz |
|
Rated Audio Output
Power |
1.0W / 16Ω
|
|
Conducted Spurious
Emission |
<-57dBm(9kHz~1GHz)
<-47dBm(1GHz~12.75GHz) |
|
Transmitter
|
|
|
RF Power
|
1W (Low) / ≤5W (High)
|
|
Power Margin Variation
|
+2/-3dB (under Extreme Conditions)
|
|
Frequency Error
|
±1.0ppm
|
|
FSK Error
|
<5%
|
|
4FSK Transmission
Bit Error Rate (BER) |
≤1×10-4
|
|
4FSK Modulation Frequency Deviation Error
|
≤10.0%
|
|
Occupied Bandwidth (DMR)
|
≤8.5KHz
|
|
TX Attack/Release Time
|
≤1.5ms
|
|
Adjacent Channel Power
|
≤-50dB @12.5KHz
≤-60dB @25KHz |
|
Transient Adjacent
Channel Power |
≤-50dB @ 12.5KHz
≤-60dB @ 25KHz |
|
FM Modulation
|
16K0F3E @25KHz
11K0F3E @12.5KHz |
|
4FSK Digital Modulation
|
12.5KHz(data only):7K60FXD
12.5KHz(data+voice):7K60FXE |
|
Audio Distortion
|
≤3% @ 40% Deviation
|
|
Audio Response
|
+1 ~ -3dB
|
|
FM Hum and Noise
|
40dB @ 12.5KHz
45dB @ 25KHz |
|
Spurious Emission
|
≤-36dBm(9KHz~1GHz)
≤-30dBm(1GHz~12.75GHz) |
