Характеристики
E90-DTU(230SL22) LoRa Relay 22dBm RS232 RS485 230MHz Modbus Transceiver and Receiver LBT RSSI Wireless RF Transceiver
RF Parameter |
Value |
Remark |
Working frequency |
220.125~236.125 MHz |
Default: 230.125MHz |
Transmitting power |
22 dBm |
About 160mW |
Air data rate |
0.3k~15.6kbps |
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 |
65 |
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 |
- |
46 |
- |
mA |
22dBm（160mW） |
Stand-by current |
- |
11 |
- |
mA |
- |
Operating temperature |
-40 |
20 |
+85 |
℃ |
- |
Operating humidity |
10 |
60 |
90 |
% |
- |
Storage temperature |
-40 |
20 |
+125 |
℃ |
- |
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