ContalkeTech DM280 DMR Digital 2 Way Radio UHF400-470MHz with Color LCD Display

ContalkeTech DM280 DMR Digital 2 Way Radio UHF400-470MHz with Color LCD Display

Model No.︰CTET-DM280

Brand Name︰ContalkeTech

Country of Origin︰China

Unit Price︰US $ 90 / pc

Minimum Order︰10 pc

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Product Description

  • Large and full color display with a flexible menu-driven interface, Icons and easy-to-use navigation buttons ease message reading and menu navigation.
  • Dual modes, by changing the channel setting, DM280 can be used in analog or digital mode. DTMF function is available for analog mode.                    
  • Superior voice and audio with digital error-correction technology and 1W speaker."                                                                                                              
  • Using digital signaling, DM280 provides private call, Group call, all call and emergency call, kill and unkill. And all the call type can be operated by menu or by keypad. "                                  
  • It utilizes AMBE++  Vocoder technology, providing secure communication. It is also compatible with Motorola DMR radio in voice." 


    Frequency Range

    VHF: 136-174 MHz or UHF: 400-470 MHz

    Channel Capacity


    Maximum number of Zones


    Maximum number of Channels Per Zone


    Channel Spacing


    Power Supply

    7.5V (±20%)



    Frequency Stability

    ± 2.5ppm

    Dimension (HxWxT) w/ 2200 mAh Lilon Battery

    105 x 59 x 35mm


    219 g


    Power Output

    1W(L), 4W or 5W(H)

    4FSK Digital Modulation

    12.5KHz Data Only:7K60FXD
    12.5KHz Data & Voice:7K60FXW

    Digital Vocoder Type

    AMBE++ or SELP

    Digital Protocol

    ETSI-TS102 361-1,-2,-3

    Modulation Limiting


    FM Hum & Noise


    Conducted/Radiated Emission

    -36dBm < 1GHz, -30dBm > 1GHz

    Adjacent Channel Power


    Adjacent Transient Channel Power


    Audio Response (300-3000Hz)

    +1 ~ -3 Db

    Audio Distortion

    < 5%


    Analog Sensitivity

    .35μV/-116dBm(20 dB SINAD) .22μV/-122dBm(12 dB SINAD)

    Digital Sensitivity

    .3μV /-117.4dBm (BER 5%)


    TIA603 70 dB; ETSI 65dB

    Adjacent Channel Selectivity


Payment Terms︰ T/T, Paypal

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