E34-2G4H20D Nrf24l01 Wireless Audio Transmitter 24ghz Antenna Spi Low Power Tx Rx Nrf24l01p 2.4ghz Rf Module
[IC]：nRF24L01+
[Frequency]：2.4~2.518GHz
[Power]：10~20dBm
[Distance]：2.5km
[Interface]：UART
[Weight]：6.4±0.1g
[Introduction]：E34-2G4H20D is a 2.4G wireless transceiver module with high speed and long distance(can be transmitter and receiver both). The module features FEC (Forward Error Correction)algorithm.It can correct the interfered data packets automatically, so that the anti-interference ability improved.
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| Pin No. | Pin Item | Pin Direction | Pin Application |
|---|---|---|---|
| 1 | M0 | Input（weak pull-up） | Work with M1 & decide the four operating modes. Floating is not allowed, can be ground. |
| 2 | M1 | Input（weak pull-up） | Work with M0 & decide the four operating modes. Floating is not allowed, can be ground. |
| 3 | RXD | Input | TTL UART inputs, connects to external TXD (MCU, PC) output pin.Can be configured as open-drain or pull-up input |
| 4 | TXD | Output | TTL UART outputs, connects to external RXD (MCU, PC) input pin.Can be configured as open-drain or push-pull output |
| 5 | AUX | Output | To wake up the external MCU, during the procedure of self-check initialization, the pinoutputs low level. Can be configured as open-drain output or push-pull output (floating is allowed). |
| 6 | VCC | Input | Power supply 2.3V-5.2V DC |
| 7 | GND | Input | Ground |
| 8 | Fixing hole | Fixing hole | |
| 9 | Fixing hole | Fixing hole | |
| 10 | Fixing hole | Fixing hole | |