EBYTE’s E35-2G4T20SX and E35-2G4T27SX are 2.4GHz ISM-band wireless modules based on Telink TLSR8208 chipset, offering long-range, low-latency UART wireless communication.
✔ High Power Output: 20dBm (100mW) & 27dBm (500mW) for extended range
✔ Long Communication Distance: Up to 3.5km (E35-2G4T27SX) in open areas
✔ UART Interface: Easy integration with MCUs (9600–115200bps)
✔ Multiple Transmission Modes: Transparent, broadcast, point-to-point
✔ Low Power Consumption: 1.5µA in deep sleep mode
✔ Industrial-Grade Design: -40°C to +85°C operating rang
Parameter | E35-2G4T20SX | E35-2G4T27SX | Parameter | E35-2G4T20SX | E35-2G4T27SX |
Frequency Range | 2400–2480MHz | 2400–2480MHz | Frequency Range | 2400–2480MHz | 2400–2480MHz |
Max TX Power | 20dBm (100mW) | 27dBm (500mW) | Max TX Power | 20dBm (100mW) | 27dBm (500mW) |
RX Sensitivity | -98dBm (500Kbps) | -98dBm (500Kbps) | RX Sensitivity | -98dBm (500Kbps) | -98dBm (500Kbps) |
✔ Higher power (27dBm) for extreme distances
✔ Better penetration in industrial environment
✔ Wireless sensor networks (temperature, humidity, pressure)
✔ PLC wireless communication in factories
✔ Soil moisture & weather station data transmission
✔ Livestock tracking & smart irrigation control
✔ Wireless lighting & HVAC control
✔ Security alarm systems & smart meters
✔ Vehicle telemetry & GPS tracking
✔ Wireless diagnostics & remote firmware update
✔ Higher Power (27dBm) for Extreme Range – 3.5km vs. typical 1–2km
✔ Ultra-Low Sleep Mode (1.5µA) – Extends battery life for years
✔ Industrial Temperature Range – Reliable in harsh conditions
Feature | E35-2G4T27SX | Competitor A | Competitor B |
Max Power | 27dBm | 20dBm | 10dBm |
Range (LOS) | 3.5km | 1.5km | 800m |
Sleep Current | 1.5µA | 5µA | 10µA |
Industrial Temp. | -40°C to +85°C | -20°C to +75°C | 0°C to +70°C |
Conclusion:
✔ E35-2G4T27SX is best for long-range, high-power applications
✔ E35-2G4T20SX is ideal for balanced power & battery lif
Pin | Function | Description |
VCC | Power (2.7–5.5V) | 3.3V–5V input |
GND | Ground | Connect to system GND |
TXD | UART TX | Connects to MCU RX |
RXD | UART RX | Connects to MCU TX |
AUX | Status Pin | Indicates module state |
M0/M1 | Mode Select | Configures operation mode |