Station de radio numérique de haute puissance de 25 W 40 km de long modem Lara 433MHz émetteur - récepteur RF RS232 RS485.
[Fréquence]：410.125~493.125MHz
[Puissance de transmission]：25W
[Distance de communication]：40km
[Taille du produit]：160*137*44mm
[Type d'interface]：RS232/RS485
[Poids net du produit]：846.2±5g
[Introduction]：E90-DTU (400SL44) est un véritable émetteur - récepteur industriel de données sans fil de haute qualité. L'émetteur - récepteur utilise la technologie Lora Spread Spectrum. Sa puissante capacité anti - interférence rend la communication sans fil plus stable et plus fiable sur le terrain industriel, et l'interface transparente RS232 / RS485.
| No. | Name | Function | Description |
|---|---|---|---|
| 1 | PE | Connect to ground | Connect to ground |
| 2 | GND | Crimped power input negative | Power reference ground |
| 3 | VCC | Crimped power input positive | power input(12V/10A) |
| 4 | MOD | Mode control | Floating, general mode; ground,configuration mode |
| 5 | RS485 G | RS485 interface G | RS485 interface G is connected tothe device GND interface(recommended) |
| 6 | RS485 B | RS485 interface B | RS485 interface B is connected todevice B interface |
| 7 | RS485 A | RS485 interface A | RS485 interface A is connected todevice A interface |
| 8 | RS232 | RS232 interface | Standard RS232 interface |
| 9 | ANT | SMA-K interface | External thread inner hole, 10mm,characteristic impedance 50Oohm |
| 10 | PWR | Power indicator | Red, lit when the power is on |
| 11 | TXD | Serial data sending indicator | Yellow, blinks when sending data |
| 12 | RXD | Serial data receiving indicator | Yellow, blinks when receivingdata |
| 13 | ERR | Warning indicator | Red, the temperature exceeds100 ℃ or the antenna is notconnected or the antenna is not ingood connection. After resolving,you need to power on againbefore working |