Wireless parameters

project condition Typical value unit
Wireless parameters Frequency range 137 – 525 MHz
output power -1 ~ +20 dBm
Output power adjustment step in dB steps 1 dB
Receiving sensitivity RX sensitivity –148dBm@LORA,SF=12,BW=7.8kHz dBm
Maximum input signal dBm

Power Consumption

Ambient temperature: 25℃ Working voltage: 3.3V Working mode: LDO mode

project Operating mode Typical value unit
Current Supply current in Sleep mode 0.2 μA
Supply current in Idle mode <1.5 μA
Launch mode TX  @22dbm <120 mA
Receive mode RX @Bands 2&3 12 mA

Working conditions Operating Range

project parameter condition Minimum Typical value Max unit
VCC Power supply To the ground 1.8 3.3 3.7 V
VDD Power supply To the ground 1.8 3.3 3.7 V
TA Operating temperature -40 + 25 +85

额定值Absolute Maximum Ratings

project parameter condition Minimum Typical value Max unit
VCC Power supply To the ground -0.5 3.3 3.9 V
VDD Power supply To the ground -0.5 3.3 3.9 V
TA Operating temperature -55 +25 +125

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