E34-2G4H27SX Half-duplex high-speed transparent transmission module Automatic frequency hopping anti-interference low latency high-speed serial
[Transmitting power]：27dBm
[Communication distance]：5km
[Packaging method]：Direct plug-in
[Product size]：21*36mm
[Introduction]：E34-2G4H27SX product is a wireless data transmission module developed by Ebyte, which works in the 2.4~2.518GHz frequency band, half-duplex, TTL level output, compatible with 3.3V and 5V IO port voltages, and uses the serial port for data transmission and reception. The wireless module has automatic frequency hopping function, strong anti-interference ability, high transmission rate, and low delay.
| Electrical parameters | unit | model | Remark | |
| Working voltage | V | 3.3～5.5 | ≥5V can guarantee the output power. If it exceeds 5.5V, there is a risk of burning the module. | |
| Communication level | V | 3.3V | Using 5V TTL risks burning out | |
| Power consumption | Emission current | mA | 550 | Instantaneous power consumption@30dBm |
| receive current | mA | 27 | ||
| Sleep current | uA | 270 | Software shutdown | |
| temperature | working temperature | ℃ | -40～+85 | Industrial grade design |
| storage temperature | ℃ | -40～+85 | Industrial grade design | |
| Hardware parameters | model | Remark |
| Modulation method | GFSK | New generation LoRa modulation technology |
| Interface mode | 1.27mm stamp hole | |
| Communication interface | UART serial port | TTL level |
| Packaging method | SMD type | - |
| Antenna interface | IPEX/stamp hole | Equivalent impedance is about 50Ω |
| size | 16*26mm | ±0.2mm |
| RF parameters | unit | model | Remark |
| Maximum transmit power | dBm | 27.0±0.5 | - |
| Receive sensitivity | dBm | -101～-103 | Over-the-air speed is 250kbps |
| reference distance | m | 5000 | In a clear and open environment, the antenna gain is 5dBi, the antenna height is 2.5 meters, and the air rate is 250kbps. |
| Working frequency band | MHz | 2400～2518 | Support ISM frequency band |
| Air speed | bps | 250k～2M | The higher the air rate, the shorter the communication distance |
| blocking power | dBm | 10 | Risk of burning if used at close range |
| Launch length | Btye | 27 | Maximum length of a single send |
| cache capacity | Btye | 256 |
