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.
Module Interface  | Parameter  | 
Frequency  | 868M, 915MHz  | 
Output Power  | +20dBm  | 
Sensitivity  | -132dBm  | 
Symbol Rate  | 0.3-37.5kbps  | 
Deviation  | +/-10kHz  | 
Size  | 17 x 16 x 3mm  | 
Antenna Interface  | RF pin  | 
Communication Interface  | SPI  | 
Package  | SMD  | 
Volt  | 3.3V  | 
Emission Current  | 100mA  | 
Receiving Current  | 12mA  | 
Sleep current  | 1uA  | 
Distance  | 2000m  | 
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