Radio module based SX1272.
N419AS based SX1272. 868M and 915MHz loRa used. Up to 20dBm output power and down to -132dBm sensitivity. SX1272 module leads all pins out for secondary development.
N419AS is suitable for free frequency band in EU.
RF Interface | Parameter |
Frequency | 868M, 915MHz |
Output Power | +20dBm |
Sensitivity | -132dBm |
Symbol Rate | 0.3-37.5kbps |
Deviation | +/-10kHz |
Distance | 2000m |
Hardware parameters | Value |
Size | 17 x 16 x 3mm |
Antenna Interface | IPEX, RF pin |
Communication Interface | SPI |
Package | SMD |
Electrical Parameters | Minimum | Typical | Maximum |
Volt | 1.8V | 3.3V | 3.9V |
Emission Current | 100mA | ||
Receiving Current | 12mA | ||
Sleep current | 1uA | ||
Working Temperature | -40℃ | 85℃ |
N419AS pin function
Pin Number | function | Describe |
1 | RF | |
2 | GND | |
3 | GND | |
4 | SW1 | Connected to MCU IO port |
5 | VCC | 1.8 - 3.6V |
6 | NRST | Connected to MCU IO port |
7 | DIO0 | Connected to MCU IO port |
8 | DIO1 | Connected to MCU IO port |
9 | DIO2 | Connected to MCU IO port |
10 | DIO3 | Connected to MCU IO port |
11 | DIO4 | Connected to MCU IO port |
12 | DIO5 | Connected to MCU IO port |
13 | SCK | SPI |
14 | MISO | SPI |
15 | MOSI | SPI |
16 | NSS | SPI |
17 | SW2 | Connected to MCU IO port |
N419AS typical application circuit
N419AS encapsulation
Ordering information
N419AS-868M Sx1272 LoRa, 20dBm, 860M - 880MHz
N419AS-915M Sx1272 LoRa, 20dBm, 910M - 960MHz