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DMR Portable Radio

D550

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Features

Specifications

Accessories

D550 is a DMR portable radio designed for industrial and commercial users. With standby time as long as 78 hours, D550 can easily handle a long work day. 
This versatile radio also integrates emergency alert, VOX, and digital /analog dual modes to deliver more safety andefficiency.

Noise Canceling

The D550 features advanced noise-canceling technology that eliminates background noise, ensuring clear communication even in noisy environments like factories or construction sites. This improves call clarity and reduces distractions, making every conversation more effective.


Voice Announcement

If the users are using the model D550 which has no screen, it can gives a voice announcement. whenever the users perform an operation such as channel switch. This keeps theirs eyes on the task at hand.


Clear Audio

Equipped with advanced audio technologies, its loud and clear output guarantees conversations remain intelligible, ensuring seamless communication among users. Whether in bustling urban settings, industrial sites, or outdoor 
adventures, this radio delivers a robust and distinct sound that cuts through surrounding noise, ensuring vital messages are conveyed crisply and effciently.


Easy Operation

D550 is designed to cater to the habits of commercial users, with the aim of delivering the best user experience. The programmable side buttons, the rich feature package and theergonomic design, all strive to make operations easy andintuitive and to improve work efficiency.

Analog-to-Digital smooth Migration

D550 can operate in digital or analog mode, which is the ideal solution for you to migrate from analog to digital with minimal disruption and investment. Experience seamless digital communication while adhering to your analog budget.


Communicate Throughout the Workplace

D550 comes with the high-sensitivity RX module and high-effciency monopole antenna for stronger signal penetration. Thus, the users can communicate smoothly even with low battery or in weak signal areas. Additionally, the antenna has the unique thickened thread design forgreat fexibility, better radiation effciency, prolonged service life, and extended communication range.

Appearance Introduction


Product Accessories

  • Antenna

    Antenna

  • Belt Clip

    Belt Clip

  • Battery

    Battery

  • AC Adaptor

    AC Adaptor

  • Hand Strap

    Hand Strap

General
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)
 

*The above specifications are tested in accordance with applicable standards. Due to the continuous development of technology, the above index data are subject to change without notice.

Product accessories

  • Antenna

    Antenna

  • Belt Clip

    Belt Clip

  • Battery

    Battery

  • AC Adaptor

    AC Adaptor

  • Hand Strap

    Hand Strap

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