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[Frequency] : 410.125~493.125MHz
[Power] : 37dBm
[Distance] : 20km
[Interface] : RS232/RS485
[Introduction] : E90-DTU(400SL37) is a data transceiver with military-grade LoRa modulation technology.With multiple transmission modes, it works in the (410.125~493.125MHz) frequency band (default 433.125MHz).The transceiver provides transparent RS232/RS485 interface and supports10~36V voltage input.
Size | 102 * 105 * 25 mm | Without interface |
Antenna type | SMA-K | - |
Communication interface | RS232 / RS485 | Standard DB9 Hole / 3.81 connecting terminal |
Air data rate | 0.3k~62.5kbps | Default: 2.4kbps |
Channel numbers | 85 | 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 | 10 | - | 36 | V | It is recommended to use 12V or 24V |
Transmitting current | - | 1100 | - | mA | 37dBm(5W) |
Stand-by current | - | 50 | - | mA | - |
Operating temperature | -40 | 20 | +85 | ℃ | - |
Operating humidity | 10 | 60 | 90 | % | - |
Storage temperature | -40 | 20 | +125 | ℃ | - |











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