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Wireless rf 433 GFSK module 470mhz 433mhz long range wireless transceiver module low consumption
[Introduction]：E49- 400T20S is an ultra-high cost-ffective wireless module launched by Chengdu Ebyte. It has 4 operating modes. Each transmission mode has it sown characteristics and can be applied to various application scenarios. E49-400T20S can perfectly support industrial-grade applications, and undergoes rigorous testing at the factory to ensure its industrial reliability and batch consistency.
| No. | Name | Direction | Function |
|---|---|---|---|
| 1 | GND | - | Module ground wire |
| 2 | GND | - | Module ground wire |
| 3 | GND | - | Module ground wire |
| 4 | GND | - | Module ground wire |
| 5 | M0 | Input （pull up whenit’s weak） | Cooperate with M1 to determine 4 operating modes of the module(can be liftedfloating, the module contains pull-up resistor） |
| 6 | M1 | Input （pull up whenit’s weak） | Cooperate with M0 to determine 4 operating modes of the module(can be liftedfloating, the module contains pull-up resistor） |
| 7 | RXD | Input | TTL serial input, connect to external TXD output pin; |
| 8 | TXD | Output | TTL serial input, connect to external RXD output pin; |
| 9 | AUX | Output | Used to indicate the working status of the module; the user wakes up the externalMCU and outputs a low level during the power-on self-test initialization |
| 10 | VCC | - | Module power supply positive reference, voltage range: 2.6V ~ 5.5V DC |
| 11 | GND | - | Module ground wire |
| 12 | NC | - | - |
| 13 | GND | - | Module ground wire |
| 14 | NC | - | - |
| 15 | NC | - | - |