The high-speed 433M wireless digital radio
[Banda de frecuencia de trabajo]：425~450.5MHz
[Potencia de transmisión]：20dBm
[Distancia de comunicación]：3km
[Tamaño del producto]：82*62*25mm
[Tipo de interfaz]：RS232/RS485
[peso neto del producto]：127±5g
[Introducción]：E32-DTU (433L20)-V8 is a high-speed 433M wireless digital radio (with RS232/RS485 interface), LoRa spread spectrum technology, transparent transmission method It works in the 425~450.5MHz frequency band (default 433MHz), and the operating voltage range is 8V~28V.
Tienda oficial 
| 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 |