[IC] :SX1276
[Frequency] :900~931MHz
[Power] :30dBm
[Distance] :10.0km
[Interface] :SPI
[Weight]:4.8±0.1g
[Introduction] :Based on the original imported RF chip SX1276 from SEMTECH,E19-915M30S is a 1W wireless transceiver module,operates at 915MHz with SPI RF interface, supporting LoRa Spread spectrum technology.As a hardware platform,the secondary development is available.
| RF Parameter | Value | Remark |
| Working frequency | 900~931 MHz | Default: 915MHz (32MHz oscillator) |
| Transmitting power | 30 dBm | Max. Power (1W) |
| Receiving sensitivity | -148 dBm | Air data rate: 0.3kbps |
| Air data rate | 0.018k~37.5kbps | Default: 0.3kbps |
| Test distance | 10000m | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 0.3kbps |
| Hardware Parameter | Value | Remark |
Size | 25 * 40 mm | |
Antenna type | Stamp hole / IPEX | |
Communication interface | SPI | |
Package | SMD | |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 3.3 | 5.0 | 5.5 | V | |
| Communication level | 1.8 | 3.3 | 3.6 | V | |
| Transmitting current | 570 | 630 | 690 | mA | 30dBm（1W） |
| Receiving current | 21 | 23 | 25 | mA | |
| Sleep current | 1.5 | 3.0 | 4.5 | μA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
| Pin No | Pin item | Pin direction | Pin application |
| 1 | GND | - | Ground electrode, connected to the power reference ground. |
| 2 | DIO5 | Input/Output | Configurable IO port（Please find more on SX1276 datasheet）. |
| 3 | DIO4 | Input/Output | Configurable IO port（Please find more on SX1276 datasheet）. |
| 4 | DIO3 | Input/Output | Configurable IO port（Please find more on SX1276 datasheet）. |
| 5 | DIO2 | Input/Output | Configurable IO port（Please find more on SX1276 datasheet）. |
| 6 | DIO1 | Input/Output | Configurable IO port（Please find more on SX1276 datasheet）. |
| 7 | DIO0 | Input/Output | Configurable IO port（Please find more on SX1276 datasheet）. |
| 8 | RST | Input | Reset |
| 9 | GND | - | Ground electrode, connected to the power reference ground. |
| 10 | GND | - | Ground electrode, connected to the power reference ground. |
| 11 | VCC | - | Power supply: 4.75~5.5V (Ceramic filter capacitoris advised to add) |
| 12 | SCK | Input | SPI clock |
| 13 | MISO | Output | SPI clock |
| 14 | MOSI | Input | SPI clock |
| 15 | NSS | Input | Chip select |
| 16 | TXEN | Input | Radio frequency switch control, make sure the TXEN pinis in high level, RXEN pin is in low level when transmitting. |
| 17 | RXEN | Input | Radio frequency switch control, make sure the TXEN pinis in high level, RXEN pin is in low level when transmitting. |
| 18 | GND | - | Ground electrode, connected to the power reference ground |
| 19 | ANT | - | Antenna |
| 20 | GND | - | Ground electrode, connected to the power reference ground |
| 21 | GND | - | Ground electrode, connected to the power reference ground |
| 22 | GND | - | Ground electrode, connected to the power reference ground |
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| Technical support |
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| 产品 型号 | IC | Interface | Frequency Hz | Power dBm | Distance km | Air data rate | Package | Size (mm) | Feature | 技术 手册 | 样品 购买 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E19-900M20S2 | SPI | SX1276 | 868M/915M | 20 | 5 | 0.018~37.5k | SMD | 15 * 15 | LoRa spread spectrum,super mini size | ||
| E19-433M20S2 | SPI | SX1278 | 433M | 20 | 5 | 0.018~37.5k | SMD | 15 * 15 | LoRa spread spectrum | ||
| E19-868M30S | SPI | SX1276 | 868M | 30 | 10.0 | 0.018~37.5k | SMD | 25*40 | Lora spread-spectrum | ||
| E19-915M30S | SPI | SX1276 | 915M | 30 | 10.0 | 0.018~37.5k | SMD | 25*40 | Lora spread-spectrum | ||
| E19-433M30S | SPI | SX1278 | 433M/470M | 30 | 10.0 | 0.018~37.5k | SMD | 25*37 | Lora spread-spectrum | ||
| E19-433M20SC | SPI | SX1278 | 433M | 20 | 5.0 | 0.018~37.5k | SMD | 17.6*25.2 | Lora spread-spectrum | ||
| E19-868M20S | SPI | SX1276 | 868M | 20 | 5.0 | 0.018~37.5k | SMD | 17.6*25.2 | Lora spread-spectrum | ||
| E19-915M20S | SPI | SX1276 | 915M | 20 | 5.0 | 0.018~37.5k | SMD | 17.6*25.2 | Lora spread-spectrum |
