Compact handheld FM transceiver packed with powerful features


The CP-428 is a compact and ruggedly constructed FM transceiver, packed with high performance and valuable features demands. Designed to resist splash and dust, the CP-428 features professional grade specs such as 1W audio output, 1.5mm frequency stability, capable of operating 136-174MHz and 400-480MHz range at 5W in 200 programmable channels or VFO mode. When you need reliable communications for business, the CP-428 is a reliable, cost effective alternative.


In the Box

Tech Specs


Product Tags

- IP54 rating water resistance & dust protection
- Crisp and clear audio
- 1800mAh high capacity Li-ion battery and up to 48 hours battery life
- Multi-icons & tri-color selectable LCD display
- Front programmable panel for setting
- Direct frequency input from keypad
- 200 programmable channels
- 50 CTCSS tones & 214 DCS codes in TX and RX
- High/low output power selectable
- Inbuilt VOX for hands-free communication
- CALL key with 10 tones selectable
- Channels & priority scan
- Battery save
- Emergency alarm
- Time-out timer
- Busy channel lock-out
- FM broadcast radio receiver equipped 76 – 108MHz
- Alphanumeric channel name tag
- PC programmable
- Firmware upgradable
- Dimensions: 98H x 55W x 30D mm
- Weight (with battery & antenna): 220g

  • Previous:
  • Next:

  • 1 x CP-428 radio
    1 x Li-ion battery pack LB-420
    1 x High gain antenna ANT-669
    1 x AC adapter
    1 x Desktop charger CA-420
    1 x Belt clip BC-18
    1 x Hand strap
    1 x User guide




    VHF: 136-174MHz

    UHF: 400-480MHz

    Channel Capacity

    200 channels

    Power Supply

    7.4V DC

    Dimensions (without belt clip and antenna)

    98mm (H) x 55mm (W) x 30mm (D)

    Weight (with battery and antenna)




    RF Power

    1W / 5W

    1W / 4W

    Channel Spacing

    12.5 / 25kHz

    Frequency Stability (-30°C to +60°C)


    Modulation Deviation

    ≤ 2.5kHz / ≤ 5kHz

    Spurious & Harmonics

    -36dBm < 1GHz, -30dBm>1GHz

    FM Hum & Noise

    -40dB / -45dB

    Adjacent Channel Power

    ≥ 60dB / 70dB

    Audio Frequency Response(Premphasis, 300 to 3000Hz)

    +1 ~ -3dB

    Audio Distortion@ 1000Hz, 60% Rated Max. Dev.

    < 5%



    Sensitivity (12 dB SINAD)

    ≤ 0.25μV / ≤ 0.35μV

    Adjacent Channel Selectivity

    -60dB / -70dB

    Audio Distortion

    < 5%

    Radiated Spurious Emissions


    Intermodulation Rejection


    Audio Output @ < 5% Distortion


    Related Products