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E90-DTU(900SL22) Ebyte free sample tcxo 868MHz 915MHz 22dBm RS232 RS485 auto relay RSSI SX1262 LoRa Modem
[Introduction]：E90-DTU (900SL22) is a data transceiver with military-grade LoRa modulation technology. With multiple transmission modes, it works in the (850.125~930.125MHz) frequency band (Default 868.125MHz). The transceiver provides transparent RS232/RS485 interface and supports 8~. 28V voltage input.
| RF Parameter | Value | Remark | |
|---|---|---|---|
| Working frequency | 850.125~930.125 MHz | Default: 868.125MHz | |
| Transmitting power | 22 dBm | About 160mW | |
| Air data rate | 0.3k~62.5kbps | Default: 2.4kbps | |
| Test distance | 5000 meter | - |
| Hardware Parameter | Value | Remark | |
|---|---|---|---|
| Size | 82 * 62 * 25 mm | Without SMA-K | |
| Antenna type | SMA-K | - | |
| Communication interface | RS232 / RS485 | Standard DB9 Hole / 3.81 connecting terminal | |
| Channel numbers | 81 | Half duplex | |
| Buffer | 1000 bytes | Can be sub-packed to 32/64/128/240 byte each time via command |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 8 | 12 | 28 | V | It is recommended to use 12V or 24V |
| Transmitting current | - | 45 | - | mA | 22dBm（160mW） |
| Stand-by current | - | 10 | - | mA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |