[IC]:SX1276
[Frequency]:862~893MHz
[Power]:10~20dBm
[Distance]:3km
[Interface]:UART
[Weight]:2.1±0.1g
[Introduction]:E32-868T20S is a wireless serial port module (UART) based on SEMTECH's SX1276 RF chip. It has multiple
transmission modes, working in the 862MHz~893MHz, (default 868MHz), LoRa spread spectrum technology, TTL output， compatible with 3.3v~5v IO.
| RF Parameter | Value | Remark |
| Working frequency | 862~893 MHz | Support ISM band |
| Transmitting power | 20 dBm | Default: 20dBm（About 100mW） |
| Receiving sensitivity | -146 dBm | Air data rate is 0.3kbps |
| Air data rate | 0.3k~19.2kbps | Controlled via user’s programming |
| Test distance | 3000 meter | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5 |
| Hardware Parameter | Value | Remark |
| Size | 16 * 26 mm | - |
| Antenna type | IPX / Stamp hole | 50 ohm impedance |
| Communication interface | TTL | @3.3V |
| Package | SMD | - |
| Buffer | 512 byte | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 3.3 | 5.0 | 5.2 | V | ≥5.0 V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk of burning down |
| Transmitting current | - | 118 | - | mA | Instant power consumption |
| Receiving current | - | 14 | - | mA | - |
| Sleep current | - | 4 | - | μA | Software is shut down |
| Operating temperature | -40 | - | +85 | ℃ | Industrial design |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |
| Pin No. | Pin Item | Pin Direction | Pin Application |
| 1 | NC | - | Empty Pin |
| 2 | GND | - | Ground |
| 3 | NC | - | Empty Pin |
| 4 | NC | - | Empty Pin |
| 5 | NC | - | Empty Pin |
| 6 | NC | - | Empty Pin |
| 7 | NC | - | Empty Pin |
| 8 | GND | - | Ground |
| 11 | GND | - | Ground |
| 12 | ANT | - | Antenna |
| 13 | GND | - | Ground |
| 14 | GND | - | Ground |
| 15 | GND | - | Ground |
| 16 | GND | - | Ground |
| 19 | GND | - | Ground |
| 20 | M0 | Input （weak pull-up） | Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 21 | M1 | Input （weak pull-up） | Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 22 | RXD | Input | TTL UART inputs, connects to external (MCU, PC) TXD output pin. |
| 23 | TXD | Output | TTL UART outputs, connects to external RXD (MCU, PC) input pin. |
| 24 | AUX | Output | Used to indicate the working status of the module; The user wakes up the external MCU and outputs low level during power-on self-check initialization; (can be left floating) |
| 25 | VCC | - | Power supply: 2.3~ 5.5V DC |
| 26 | GND | - | Ground |
| For batch order/customized product |
| 【Sales hotline】：+86-28-61399028 Ext.812 |
| 【E-mail】：service@cdebyte.com |
| Technical support |
| 【Submit online】：http://www.ebyte.com/en/apple-technology.aspx |
| 【E-mail】：support@cdebyte.com |
| 产品 型号 | Interface | IC | Frequency Hz | Power dBm | Distance km | Air data rate | Package | Size (mm) | Feature | 技术 手册 | 样品 购买 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E32-900MBL-01 | USB | - | - | - | - | - | - | 53*27mm | E32 series module test board | ||
| E32-400MBL-01 | USB | - | - | - | - | - | - | 53*27mm | E32 series module test board | ||
| E32-400M20S | SPI | SX1278 | 433M 470M | 20 | 5 | - | SMD | 14 * 20 | Long transmission distance,Strong penetration diffraction | ||
| E32-433T20S | UART | SX1278 | 433M | 20 | 5.0 | 2.4k～19.2k | SMD | 16 * 26 | LoRa Spread Spactrum Technology | ||
| E32-400M30S | SPI | SX1278 | 433M 470M | 30 | 10 | 0.018K~37.5K | SMD | 24 * 38.5 | Long transmission distance,Strong penetration diffraction | ||
| E32-900M20S | SPI | SX1276 | 868M 915M | 20 | 5 | 0.018K~37.5K | SMD | 14*20 | Long transmission distance,Strong penetration diffraction | ||
| E32-900T30D | UART | SX1276 | 868M 915M | 30 | 8 | 0.3k~19.2k | DIP | 24*43 | LoRa spread spectrum | ||
| E32-900T20S | UART | SX1276 | 868M 915M | 20 | 5.5 | 0.3k~19.2k | SMD | 16*26 | LoRa spread spectrum | ||
| E32-900M30S | UART | SX1276 | 868M 915M | 30 | 10 | 0.018k~37.5k | SMD | 24*38.5 | Long transmission distance,Strong penetration diffraction | ||
| E32-433T20DT | UART | SX1278 | 433M | 20 | 3.0 | 0.3k~19.2k | DIP | 21*36 | LoRa spread spectrum | ||
| E32-915T20S | UART | SX1276 | 915M | 20 | 3 | 0.3k~19.2k | SMD | 16 * 26 | LoRa spread spectrum | ||
| E32-868T20S | UART | SX1276 | 868M | 20 | 3 | 0.3k~19.2k | SMD | 16 * 26 | LoRa spread spectrum | ||
| E32-DTU(433L27) | 232/485 | SX1278 | 433M | 27 | 5.0 | 0.3k~9.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E32-DTU(433L37) | 232/485 | SX1278 | 433M | 37 | 20 | 0.3k~9.6k | Screwing/DB9 | 124*105*25 | LoRa spread spectrum | ||
| E32-400T20S3 | UART | SX1278 | 433M 470M | 20 | 3 | 0.3k~19.2k | SMD | 16 * 26 | LoRa spread spectrum | ||
| E32-915T30S | UART | SX1276 | 915M | 30 | 8.0 | 0.3k~19.2k | DIP | 25*40.3 | LoRa spread spectrum Continuous transmiss | ||
| E32-868T30S | UART | SX1276 | 868M | 30 | 8.0 | 0.3k~19.2k | DIP | 25*40.3 | LoRa spread spectrum Continuous transmiss | ||
| E32-433T30S | UART | SX1278 | 433M | 30 | 8.0 | 0.3k~19.2k | SMD | 25*40.5 | LoRa spread spectrum | ||
| E32-433T20S1 | UART | SX1278 | 433M | 20 | 3.0 | 0.3k~19.2k | SMD | 17*25.5 | LoRa spread spectrum | ||
| E32-433T20S2T | UART | SX1278 | 433M | 20 | 3.0 | 0.3k~19.2k | SMD | 17*30 | LoRa spread spectrum | ||
| E32-DTU(170L30) | 232/485 | SX1278 | 170MHz | 30 | 8.0 | 0.3k~9.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E32-DTU(868L30) | 232/485 | SX1276 | 868M | 30 | 8.0 | 0.3k~9.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E32-DTU(868L20) | 232/485 | SX1276 | 868M | 20 | 3.0 | 0.3k~9.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E32-DTU(915L30) | 232/485 | SX1276 | 915M | 30 | 8.0 | 0.3k~9.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E32-DTU(915L20) | 232/485 | SX1276 | 915M | 20 | 3.0 | 0.3k~9.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E32-DTU(433L20) | 232/485 | SX1278 | 433M | 20 | 3.0 | 0.3k~9.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E32-DTU(433L30) | 232/485 | SX1278 | 433M | 30 | 8.0 | 0.3k~9.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E32-915T30D | UART | SX1276 | 915M | 30 | 8.0 | 0.3k~19.2k | DIP | 24*43 | LoRa spread spectrum | ||
| E32-868T30D | UART | SX1276 | 868M | 30 | 8.0 | 0.3k~19.2k | DIP | 24*43 | LoRa spread spectrum | ||
| E32-170T30D | UART | SX1278 | 170M | 30 | 8.0 | 0.3k~19.2k | DIP | 24*43 | LoRa Spread Spectrum | ||
| E32-433T30D | UART | SX1278 | 433M | 30 | 8.0 | 0.3k~19.2k | DIP | 24*43 | LoRa spread spectrum | ||
| E32-868T20D | UART | SX1276 | 868M | 20 | 3.0 | 0.3k~19.2k | DIP | 21*36 | LoRa spread spectrum | ||
| E32-915T20D | UART | SX1276 | 915M | 20 | 3.0 | 0.3k~19.2k | DIP | 21*36 | LoRa spread spectrum | ||
| E32-433T20DC | UART | SX1278 | 433M | 20 | 3.0 | 0.3k~19.2k | DIP | 21*36 | LoRa spread spectrum | ||
| E32-433T27D | UART | SX1278 | 433M | 27 | 5.0 | 0.3k~19.2k | DIP | 24*43 | LoRa spread spectrum |
