[Operating frequency]:862 ~ 930MHz
[Transmit power]:100mW
[Communication distance]:3km
[Product size]:82*62*25mm
[Interface type]:RS232/RS485
[Net weight of product]:127±5g
[Introduction]:E32-DTU (900L20)-V8 is a high-speed 868M wireless digital radio (with RS232/RS485 interface), LoRa spread spectrum technology, transparent transmission method It works in the 862~930 MHz frequency band (default 868MHz), and the operating voltage range is 8V~28V.
Foot number | name | Features | illustrate |
---|---|---|---|
1 | DB-9 female socket | RS-232 interface | Standard RS-232 interface |
2 | 3.81 terminal | RS-485, power interface | Standard RS-485 interface and crimping power interface |
3 | PWR-LED | Power Indicator | Red, lights up when the power is turned on |
4 | TXD-LED | Transmission indicator | Yellow, blinks when sending data |
5 | RXD-LED | Receive indicator | Yellow, blinks when receiving data |
6 | DC power interface | Power interface | In-line round hole, outer diameter 5.5mm, inner diameter 2.5mm |
7 | DIP switch | DIP switch | Work mode control |
8 | Antenna interface | SMA-K interface | External thread inner hole, length 10mm, characteristic impedance 50Ω |