E90-DTU(900SL22) Ebyte free sample tcxo 868MHz 915MHz 22dBm RS232 RS485 auto relay RSSI SX1262 LoRa Modem
[Frequency]:850.125~930.125MHz
[Power]:22dBm
[Distance]:5km
[Interface]:RS232/RS485
[Weight]:128±5g
[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 | ℃ | - |