[IC] : nRF24l01+
[Frequency] : 2.4～2.518GHz
[Power] : 270dBm
[Distance] : 5.0km
[Size] : 21*36mm
[Introduce] : E34-2G4D27D is based on nRF24l01+, working at 2.4～2.518GHz, TTL output.It’s compatible with 3.3V and 5V IO port voltage, using serial port for data transmission and reception, reducing the threshold of wireless applications.
| RF Parameter | Value | Remark |
| Working frequency | 2400~2518 MHz | Default: 2400MHz |
| Transmitting power | 27 dBm | |
| Receiving sensitivity | -102 dBm | Air data rate: 0.3kbps |
| Air data rate | - | Automatic software optimization, automatic adaptation to baud rate |
| Test distance | 5000m | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，baud rate 9600 |
| Hardware Parameter | Value | Remark |
Size | 21 * 36 mm | - |
Antenna type | SMA-K | |
Communication interface | UART | TTL |
Package | DIP | |
Buffer | 2048 Btye | Unlimited length |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 3.3 | 5.0 | 5.5 | V | |
| Communication level | 3.3 | V | |||
| Transmitting current | 550 | mA | Instant power consumption | ||
| Receiving current | 27 | mA | |||
| Sleep current | - | 270 | - | μA | Software shutdown |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
| Pin No. | Pin Item | Pin Direction | Function |
| 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. |
| 5 | AUX | Output |
To indicate module’s working status & wakes up the external MCU. During the procedure of self-check initialization, the pin outputs low level. Can be configured as open-drain output or push-pull output (floating is allowed). |
| 6 | VCC | Power supply 2.3V-5.2V DC | |
| 7 | GND | Input | Ground |
| 8 | Fixing hole | Input | Fixing hole |
| 9 | Fixing hole | Fixing hole | |
| 10 | Fixing hole | Fixing hole |
| Order online |
| 【eBay】：https://www.ebay.com/usr/cdebyte |
| 【Aliexpress】：https://www.aliexpress.com/store/2798183 |
| 【Alibaba】：https://www.alibaba.com |
| For batch order/customized product |
| 【Sales hotline】：+86-28-61399028 Ext.812 |
| 【E-mail】：service@cdebyte.com |
| Technical support |
| 【Submit online】：http://www.ebyte.com/en/apple-technology.aspx |
| 【E-mail】：support@cdebyte.com |
| Model | IC | Interface | Frequency Hz | Power dBm | Distance km | Air data rate | Package | Size (mm) | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E34-2G4D27D | UART | nRF24l01+ | 2.4G | 27 | 5.0 | 250k~2M | DIP | 21*36 | Full duplex | ||
| E34-DTU(2G4H27) | 232/485 | nRF24L01P | 2.4G | 27 | 5.0 | 250k~2M | Screwing/DB9 | 82*62*25 | Frequency-hopping | ||
| E34-2G4H27D | UART | nRF24L01+ | 2.4G | 27 | 5 | 250k~2M | DIP | 21*36 | Frequency-hopping | ||
| E34-DTU(2G4D20) | 232/485 | nRF24L01P | 2.4G | 20 | 2.0 | 250k~2M | Screwing/DB9 | 82*62*25 | Full duplex | ||
| E34-DTU(2G4H20) | 232/485 | nRF24L01P | 2.4G | 20 | 2.5 | 250k~2M | Screwing/DB9 | 82*62*25 | Frequency-hopping | ||
| E34-2G4D20D | UART | nRF24L01P | 2.4G | 20 | 2.0 | 250k~2M | DIP | 21*36 | Full duplex | ||
| E34-2G4H20D | UART | nRF24L01+ | 2.4G | 20 | 2.5 | 250k~2M | DIP | 21*36 | Frequency-hopping |
