Electrical Parameters | |||||
Test conditions: power supply 3.3V, temperature 25℃ | |||||
Parameter | Minimum | Typical value | Max | Unit | Condition |
Working conditions | |||||
Operating voltage | 1.8 | 3.3 | 3.7 | V | |
Working temperature | -40 | 25 | 85 | ℃ | |
Power consumption | |||||
Emission current | 89 | 100 | 114 | mA | 400~520MHz |
124 | 130 | 135 | 830~945MHz | ||
Receiving current | 4.2 | 5.3 | 8.2 | 400~520MHz | |
Sleep current | 0.016 | 1.2 | 1.5 | uA | Sleep mode |
RF parameters | |||||
Operating frequency | 400 | 433.92/470 | 520 | MHz | 400~520MHz |
840 | 868/915 | 945 | 830~945MHz | ||
Transmit power | 19.2 | 20.6 | 21.2 | dBm | 400~520MHz |
21 | 21.3 | 21.5 | 830~945MHz | ||
Receiving sensitivity | -116 | -118 | -120 | 868MHz@GFSK DR=1.2Kbps,Δf=+/-35KHz | |
-133 | -136 | -139 | 868MHz@Lora BW=125KHz,SF=12,CR=4/5 | ||
Harmonic | 0 | -38 | 433.92MHz,2~6harmonics | ||
0 | -43 | 470MHz,2~6 harmonics | |||
0 | -37 | 868MHz,2~6 harmonics | |||
0 | -40 | 915MHz,2~6 harmonics | |||
Frequency error | -0.434 | 0 | 0.434 | KHz | 433.92MHz |
-0.915 | 0 | 0.915 | 915MHz | ||
Transmission rate | 0.6K~300Kbps@FSK | ||||
0.018K~62.5Kbps@ LoRaTM | |||||
Modulation method | FSK, GFSK, MSK, GMSK, LoRaTM,OOK | ||||
Data interface | SPI | ||||
Antenna interface | Need to weld external antenna |