[IC]:SX1268
[Frequency]: 410~493MHz
[Power]:30dBm
[Distance]:12km
[Interface]:SPI
[Weight]:4.9±0.1g
[Introduction]:The E22 series is the first wireless module in China to adopt Semtech's SX1262, SX1268 RF chip. This chip provides a variety of modulation methods, such as LoRaTM and traditional GFSK. Its special LoRaTM modulation method increases the communication distance.
Pin No. | Pin Item | Pin Direction | Pin Application |
---|---|---|---|
1 | GND | - | Ground wire, connected to the power reference ground |
2 | GND | - | Ground wire, connected to the power reference ground |
3 | GND | - | Ground wire, connected to the power reference ground |
4 | GND | - | Ground wire, connected to the power reference ground |
5 | GND | - | Ground wire, connected to the power reference ground |
6 | RXEN | Input | RF switch RX control,connecting external MCU IO, valid in high level |
7 | TXEN | Input | RF switch TX control,connecting external MCU IO or DIO2, valid in high level |
8 | DIO2 | Input/Output | Configurable universal IO port (see SX1262 manual for details) |
9 | VCC | - | Power supply, 2.5V~5.5V(external ceramic filter capacitoris recommended) |
10 | VCC | - | Power supply, 2.5V~5.5V(external ceramic filter capacitoris recommended) |
11 | GND | - | Ground wire, connected to the power reference ground |
12 | GND | - | Ground wire, connected to the power reference ground |
13 | DIO1 | Input/Output | Configurable IO port(see more in SX1262 datasheet) |
14 | BUSY | Output | For status indication (see SX1262 manual for details) |
15 | NRST | Input | Chip reset trigger input pin, valid in low level |
16 | MISO | Output | SPI data output pin |
17 | MOSI | Input | SPI data output pin |
18 | SCK | Input | SPI data output pin |
19 | NSS | Input | Module chip select pin for starting an SPI communication |
20 | GND | - | Ground wire, connected to the power reference ground |
21 | ANT | - | Antenna interface, stamp hole (50 ohm characteristic impedance) |
22 | GND | - | Ground wire, connected to the power reference ground |