[Puissance de transmission]:20 dBm
[Distance de communication]: 2,5 km
[Méthode d'emballage]:SMD
[Taille du produit]:16*26mm
[Introduction]:Le produit E34-2G4H20SX est un module de transmission de données sans fil développé par Ebyte Company. Il fonctionne dans la bande de fréquences 2,4-2,518 GHz, semi-duplex, sortie de niveau TTL, compatible avec les tensions des ports IO 3,3 V et 5 V et utilise le port série. pour la transmission et la réception de données. Le module sans fil a une fonction de saut de fréquence automatique, une forte capacité anti-interférence, un taux de transmission élevé et un faible retard.
| Pin number | Pin name | Pin direction | Pin usage |
| 1 | RESET | Input | Module reset pin, 3.3V. |
| 2 | GND | - | Module ground wire |
| 3 | NC | - | Empty feet (not open for use, users do not need to care) |
| 4 | NC | - | Empty feet (not open for use, users do not need to care) |
| 5 | NC | - | 485_EN control pin |
| 6 | NC | - | Burning pin |
| 7 | NC | - | Burning pin |
| 8 | GND | - | Module ground wire |
| 11 | GND | - | Module ground wire |
| 12 | ON | - | Antenna interface (high frequency signal output, 50 ohm characteristic impedance) |
| 13 | GND | - | Module ground wire |
| 14 | GND | - | Module ground wire |
| 15 | GND | - | Module ground wire |
| 16 | GND | - | Module ground wire |
| 19 | GND | - | Module ground wire |
| 20 | M0 | Input (very weak pull-up) | Cooperate with M1 to determine the 4 working modes of the module (cannot be left floating, can be grounded if not used) |
| 21 | M1 | Input (very weak pull-up) | Cooperate with M0 to determine the 4 working modes of the module (cannot be left floating, can be grounded if not used) |
| 22 | RXD | Input | TTL serial port input, connected to the external TXD output pin; |
| 23 | TXD | output | TTL serial port output, connected to the external RXD output pin; |
| 24 | TO | output | Used to indicate the working status of the module; the user wakes up the external MCU and outputs low level during power-on self-test initialization; (can be left floating) |
| 25 | VCC | - | Module power supply positive reference, voltage range: 2.3~5.5V DC |
| 26 | GND | - | Module ground wire |