[Frequency]:410~441MHz
[Power]:37dBm
[Distance]:20km
[Interface]:RS232/RS485
[Weight]:259±5g
[Introduction]:E32-DTU (433L37) is wireless data transceiver of 433M with standard RS232/RS485 connectors. They are half-duplex. TX & RX modems with LoRa technology and transparent transmission mode. Voltage supply ranges from 8V to 28V, Working frequency
| RF Parameter | Value | Remark |
| Working frequency | 410~441 MHz | Default: 433MHz |
| Transmitting power | 37 dBm | About 5W |
| Receiving sensitivity | -130 dBm | Air data rate: 2.4kbps |
| Air data rate | 0.3k~9.6kbps | Default: 2.4kbps |
| Test distance | 20000 meter | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 2.4kbps |
| Hardware Parameter | Value | Remark |
| Size | 124 * 105 * 25 mm | - |
| Antenna type | SMA-K | - |
| Communication interface | RS232 / RS485 | Baud rate: 1200~115200, default: 9600 |
| Package | DB-9 / Screwing | Standard DB9 Hole/3.81 connecting terminal |
| Buffer | 512 bytes buffer | Automatically sub-packaging with 58 bytes per package |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 8 | 12 | 28 | V | - |
| Transmitting current | 945 | 1050 | 1155 | mA | 37dBm（5W） |
| Stand-by current | 40 | 44 | 49 | mA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |
| Pin No. | Name | Function | Description |
| 1 | DB-9 female socket | RS-232 interface | Standard RS-232 interface |
| 2 | 3.81 terminal block | RS-485, power interface | Standard RS-485 connector and line-pressing power source connector |
| 3 | PWR-LED | Power LED | Red, light on when power on |
| 4 | TXD-LED | TX LED | Yellow, flicker when transmitting data |
| 5 | RXD-LED | RX LED | Yellow, flicker when receiving data |
| 6 | DC power connector | Power interface | Drop-in round hole, 5.5mm external diameter, 2.5mm internal diameter |
| 7 | DIP switch | DIP switch | Operation mode control |
| 8 | Antenna interface | SMA-K interface | External screw and inner hole, 10mm long, 50Ω characteristic impedance |
| Order online |
| 【eBay】：https://www.ebay.com |
| 【Aliexpress】：https://cdebyte.pt.aliexpress.com |
| 【Alibaba】：https://www.alibaba.com |
| 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 |
