LPD433

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LPD433 - Low Power Device 433 MHz band. Sometimes called SRD433 for Short Range Device 433 MHz band. Very low power short range 10mW 10milliwatts power limit. ITU Region 1 license free unlicensed service 433.05 MHz to 434.79 MHz ISM band (ITU Region 1 ISM only). May be used for data links, RC, garage door openers, remote sensing such as doorbells, wireless weather stations, etc. or voice. Narrow FM voice standardized for 69 channels starting at 433.05 MHz ending at 434.775 MHz. Note that datalink, telemetry and remote control or R/C systems do not have to follow the de facto standardized 69 FM voice channels frequency plan. For example, 433.92 MHz is heavily used for data links and other short range purposes.

Standardization: ETSI EN 300 220-2 short range devices 433,050 MHz to 434,790 MHz 433.050 MHz to 434.790 MHz


Like PMR446, LPD433’s allocation falls within the 70cm amateur radio band 420 MHz - 450 MHz.

LPD433 433 MHz 434 MHz FM voice channels:

  • Channel 1 - 433.050 MHz
  • Channel 2 - 433.075 MHz
  • Channel 3 - 433.100 MHz
  • Channel 4 - 433.125 MHz
  • Channel 5 - 433.150 MHz
  • Channel 6 - 433.175 MHz
  • Channel 7 - 433.200 MHz
  • Channel 8 - 433.225 MHz
  • Channel 9 - 433.250 MHz
  • Channel 10 - 433.275 MHz
  • Channel 11 - 433.300 MHz
  • Channel 12 - 433.325 MHz
  • Channel 13 - 433.350 MHz
  • Channel 14 - 433.375 MHz
  • Channel 15 - 433.400 MHz
  • Channel 16 - 433.425 MHz
  • Channel 17 - 433.450 MHz
  • Channel 18 - 433.475 MHz
  • Channel 19 - 433.500 MHz
  • Channel 20 - 433.525 MHz
  • Channel 21 - 433.550 MHz
  • Channel 22 - 433.575 MHz
  • Channel 23 - 433.600 MHz
  • Channel 24 - 433.625 MHz
  • Channel 25 - 433.650 MHz
  • Channel 26 - 433.675 MHz
  • Channel 27 - 433.700 MHz
  • Channel 28 - 433.725 MHz
  • Channel 29 - 433.750 MHz
  • Channel 30 - 433.775 MHz
  • Channel 31 - 433.800 MHz
  • Channel 32 - 433.825 MHz
  • Channel 33 - 433.850 MHz
  • Channel 34 - 433.875 MHz
  • Channel 35 - 433.900 MHz
  • Channel 36 - 433.925 MHz
  • Channel 37 - 433.950 MHz
  • Channel 38 - 433.975 MHz
  • Channel 39 - 434.000 MHz
  • Channel 40 - 434.025 MHz
  • Channel 41 -
  • Channel 42 -
  • Channel 43 -
  • Channel 44 -
  • Channel 45 -
  • Channel 46 -
  • Channel 47 -
  • Channel 48 -
  • Channel 49 -
  • Channel 50 -
  • Channel 51 -
  • Channel 52 -
  • Channel 53 -
  • Channel 54 -
  • Channel 55 -
  • Channel 56 -
  • Channel 57 -
  • Channel 58 -
  • Channel 59 -
  • Channel 60 -
  • Channel 61 -
  • Channel 62 -
  • Channel 63 -
  • Channel 64 -
  • Channel 65 -
  • Channel 66 - 434.700 MHz
  • Channel 67 - 434.725 MHz
  • Channel 68 - 434.750 MHz
  • Channel 69 - 434.775 MHz



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