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Parameters | Min. | Typ. | Max. | Unit | Condition |
Working Condition | |||||
Voltage range | 3.3 | 5.0 | 5.5 | V | |
Operating Temperature | -40 | 25 | +85 | ℃ | |
Current Consumption | |||||
Rx current | < 9 | mA | TTL/RS232 level | ||
<13 | mA | RS485 level | |||
Tx current | < 110 | mA | |||
Sleep current | < 220 | uA | TTL/RS232 level | ||
RF Parameters | |||||
Frequency range | 414.92 | 433.92 | 453.92 | MHz | @433MHz |
470.92 | 490.92 | 509.92 | MHz | @490MHz | |
849.92 | 868.92 | 888.92 | MHz | @868MHz | |
895.92 | 914.92 | 934.92 | MHz | @915MHz | |
Data rate | 1312 | 62500 | bps | @LoRa | |
Output power | 1 | +22 | dBm | Software level 7 adjustable | |
Sensitivity | -129 | dBm | @1.3Kbps |
Remark: If you need lower sleep power consumption, please contact us to send the “sleep current = 5uA” or “sleep current = 15uA” version.
Interface | TTL,RS232,RS485 |
Network | MESH |
Frequency | 433MHz,470MHz,868MHz,915MHz |
Modulation | LoRa |
Output Power | 160mW |
TTL/RS232/RS485 interface
NO. | PIN | Description |
1 | VCC | Connect to the positive pole of the power supply (external 3.3-5.5V) |
2 | GND | Connect to power ground |
3 | TXD/A+ | Serial communication data transmission |
4 | RXD/B- | Serial communication data reception |
5 | SET | Low = setting mode, high = normal working mode. |
6 | CS | Leave open when RS485 interface, High: working mode, L = sleeping mode ( for TTL or RS232 ). |
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