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Hytera BD505LF - DMR Tier I

License-free DMR handheld radio (PMR446)

    Product description

    With its innovative design, the BD505LF has better performance than analog radios. Due to an excellent reception sensitivity, the communications range further extended. The BD505LF DMR digital radio was offers good performance and provides stable communication.

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    Analog and digital mode

    The BD505LF supports both analog and digital mode. Users can switch between the two operating modes quickly and easily.

    Clear voice

    Use of digital coding and correction technology makes it possible to transmit human voices without any interference noise - even over large distances.


    Technical data

    General data

    Frequency range

    UHF: 446 MHz

    Supported operating modes
    • DMR Tier I (license-free DMR) ETSI TS 102 361-1/2/3
    • Analog PMR446
    Channel capacity


    Zone capacity


    Channel spacing

    12.5 kHz

    Operating voltage

    7.2 V

    Battery service life (5/5/90 duty cycle)

    approx. 16 h (digital)
    approx. 12 h (analog)

    Standard battery

    1500 mAh (lithium-ion battery)

    Frequency stability

    ± 0.5 ppm

    Antenna impedance

    50 Ω

    Dimensions (H × B × T)

    108 × 54 × 29 mm

    Weight (with antenna and standard battery)

    approx. 220 g

    Environmental conditions

    Operating temperature range

    -30 °C to +60 °C

    Storage temperature range

    -40 °C to +85 °C

    Electrostatic discharge (ESD)

    IEC 61000-4-2 (Level 4)
    ± 8 kV (contact)
    ± 15 kV (air)

    Protection against dust and moisture


    Shock and vibration resistance

    MIL-STD-810 G Standard

    Relative humidity

    MIL-STD-810 G Standard


    Transmitting power

    0.5 W


    11K0F3E at 12.5 kHz
    16K0F3E at 25 kHz

    4FSK digital modulation

    12.5 kHz (data only): 7K60FXD
    12.5 kHz (data and voice): 7K60FXW

    Interfering signals and harmonics

    - 36 dBm (< 1 GHz)
    - 30 dBm (> 1 GHz)

    Modulation limiting

    ± 2.5 kHz at 12.5 kHz
    ± 5.0 kHz at 25 kHz

    Noise cancellation

    40 dB at 12.5 kHz
    45 dB at 25 kHz

    Adjacent channel selectivity

    60 dB at 12.5 kHz
    70 dB at 25 kHz

    Audio response (TIA-603D)

    + 1 dB to - 3 dB

    Audio distortion

    ≤ 3 %

    Digital vocoder type

    AMBE +2™

    Digital protocol

    ETSI-TS102 361-1,2,3


    Sensitivity (analog)

    0.22 μV (typical) (12 dB SINAD)
    0.4 μV (typical) (20 dB SINAD)

    Sensitivity (digital)

    0.22 μV / BER 5%

    Adjacent channel selectivity (ETSI)

    60 dB at 12.5 kHz


    65 dB at 12.5 kHz

    Spurious response rejection (ETSI)

    70 dB at 12.5 kHz

    Signal-noise ratio (S/N)

    40 dB at 12.5 kHz

    Nominal audio power output

    0.5 W

    Audio distortion

    ≤ 3 %

    Audio response (TIA-603D)

    + 1 dB to - 3 dB

    Conducted spurious emission

    < -57 dBm

    Features marked with * are available in future versions of the product.

    All technical data were tested according to the respective standards. Due to continuing development, technical changes are reserved.

    Scope of delivery

    • BD505LF
    • Lithium-ion battery
    • Belt clip
    • Hand strap
    • Power adapter
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