Wireless parameters
| project | condition | Typical value | unit |
|---|---|---|---|
| Wireless parameters | Frequency range | 433/490 | MHz |
| output power | -9~+22dBm | dBm | |
| Output power adjustment step in dB steps | 1 | dB | |
| Receive sensitivity | -123dBm@1.2kbps@FSK | 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 | OFF mode (cold start 1) | 160 | nA |
| SLEEP mode (warm start 2) | <1.2 | μA | |
| TX @22dbm FSK | 107 | mA | |
| RX LoRa® 125 kHz | 4.6 | 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 | ℃ |
Rated value 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 | ℃ |