[Frequency] : 425~450.5MHz
[Power] : 17dBm
[Distance] : 2.0km
[Interface] : RS485
[Introduction] : E800-DTU is a wireless data transceiver with the function of digital data processing, digital modulation and demodulation, FEC, balanced soft decision, etc.. Wireless data transceiver provides transparent RS485 interface, different with the analog FM transceiver plus MODEM analog digital transceiver.
| RF Parameter | Value | Remark |
| Working frequency | 425 ~ 450.5 MHz | Default: 433MHz |
| Transmitting power | 7 ~ 17 dBm | Default: 17dBm（About 50mW） |
| Air data rate | 1.2kbps ~ 70kbps | Default: 1.2kbps |
| Test distance | 2000 meter |
| Hardware Parameter | Value | Remark |
| Size | 66 * 66 * 21 mm | |
| Antenna type | SMA-K | |
| Communication interface | RS485 | Standard DB9 Hole / 3.81 connecting terminal |
| Baud rate | 9600 | Baud rate: 1200~115200 |
| Buffer | 512 bytes buffer | Automatically sub-packaging with 186 bytes per package |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 8 | 12 | 28 | V | |
| Transmitting current | 45 | 50 | 55 | mA | 17dBm（50mW） |
| Stand-by current | 18 | 20 | 22 | mA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
| Pin No. | Name | Function | Description |
| 1 | 3.81mm terminal block | UART interface/ Power supply interface | Standard RS-232&485 interface/screwing power supply interface |
| 2 | PWR-LED | Power LED | Red, lit when the power is on |
| 3 | TXD-LED | Transmit LED | Yellow, blinks when transmitting data |
| 4 | RXD-LED | Receive LED | Yellow, blinks when receiving data |
| 5 | M0-LED | Mode LED | Red,M0 M1 indicate the operating mode together |
| 6 | M1-LED | Mode LED | Red,M0 M1 indicate the operating mode together |
| 7 | Mode switch | Tact switch | Control the operating mode |
| 8 | Antenna interface | SMA-K interface | External thread, 10mm, 50Ω characteristic impedance |
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| 【Aliexpress】：https://www.aliexpress.com/store/2798183 |
| 【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】：https://www.cdebyte.com/resources-Service |
| 【E-mail】：support@cdebyte.com |
| Model | IC | Interface | Frequency Hz | Power dBm | Distance km | Air data rate | Package | Size (mm) | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E800-DTU(Z2530-ETH-27) | Ethernet | CC2530 | 2.4G | 27 | 2.5 | - | Screwing | 84*82*25 | ZigBee Ad Hoc Network | ||
| E800-DTU(Z2530-485-20) | RS485 | CC2530 | 2.4G | 20 | 1.0 | Baud rate self-matched | Screwing/DB9 | 66*66*21 | ZigBee | ||
| E800-DTU(Z2530-485-27) | RS485 | CC2530 | 2.4G | 27 | 2.5 | Baud rate self-matched | Screwing/DB9 | 66*66*21 | ZigBee | ||
| E800-DTU(433C17-232) | 232 | - | 433M | 17 | 1.0 | Baud rate self-matched | Screwing/DB9 | 66*66*21 | Continuous transmiss | ||
| E800-DTU-433C17-485 | 485 | - | 433M | 17 | 1.0 | Baud rate self-matched | Screwing/DB9 | 66*66*21 | Continuous transmiss | ||
| E800-DTU-433C30-232 | 232 | - | 433M | 30 | 2.5 | Baud rate self-matched | Screwing/DB9 | 66*66*21 | Continuous transmiss | ||
| E800-DTU-433C30-485 | 485 | - | 433M | 30 | 2.5 | Baud rate self-matched | Screwing/DB9 | 66*66*21 | Continuous transmiss | ||
| E800-DTU-433L20-232 | 232 | SX1278 | 433M | 20 | 3.0 | 0.3k~19.2k | Screwing/DB9 | 66*66*21 | LoRa spread spectrum | ||
| E800-DTU-433L20-485 | 485 | SX1278 | 433M | 20 | 3.0 | 0.3k~19.2k | Screwing/DB9 | 66*66*21 | LoRa spread spectrum | ||
| E800-DTU-433L30-232 | 232 | SX1278 | 433M | 30 | 8.0 | 0.3k~19.2k | Screwing/DB9 | 66*66*21 | LoRa spread spectrum | ||
| E800-DTU-433L30-485 | 485 | SX1278 | 433M | 30 | 8.0 | 0.3k~19.2k | Screwing/DB9 | 66*66*21 | LoRa spread spectrum | ||
| E800-DTU (433N17-485) | 485 | AX5243 | 433M | 17 | 2.0 | 0.3k~19.2k | Screwing/DB9 | 66*66*21 | Narrow band, small and easy to integrate | ||
| E800-DTU-433N30-232 | 232 | AX5243 | 433M | 30 | 6.0 | 0.3k~19.2k | Screwing/DB9 | 66*66*21 | Narrow band, small and easy to integrate | ||
| E800-DTU-433N30-485 | 485 | AX5243 | 433M | 30 | 6.0 | 0.3k~19.2k | Screwing/DB9 | 66*66*21 | Narrow band, small and easy to integrate |
