EBYTE E28-2G4T27SX Ebyte Semtech SX1281 UART 7Km Range 2.4GHz 27dBm SMDCE RoHs FCC LoRa Wireless Transmitter RF Module

The EBYTE E28-2G4T27SX is a high-performance wireless UART communication module based on the advanced Semtech SX1281 transceiver IC. Operating in the 2.4GHz ISM band, it supports multiple modulation schemes including LoRa, FLRC, and GFSK, enabling flexible and reliable long-distance wireless communication. Designed for industrial and IoT applications, this module delivers up to 27dBm transmission power and exceptional receiver sensitivity, ensuring stable data transmission even in challenging environments. With transparent UART communication, it allows easy integration with microcontrollers and embedded systems without complex RF design. The module is compact, energy-efficient, and supports both 3.3V and 5V logic compatibility, making it suitable for a wide range of wireless projects including telemetry, remote control systems, robotics, smart agriculture, and industrial monitoring. Features: Based on Semtech SX1281 ultra-low power RF transceiver Supports LoRa / FLRC / GFSK modulation modes High transmission power up to 27dBm for long-range communication UART transparent transmission for easy MCU integration 2.4GHz ISM band operation for global compatibility Compact SMD design with IPEX antenna support Specifications: IC Used: Semtech SX1281 Modulation Types: LoRa, FLRC, GFSK Max Air Data Rate: Up to 2 Mbps (configurable) Typical Current Consumption: TX ~500mA, RX ~27mA Antenna Interface: IPEX / PCB pad option Package Type: SMD Operating Temperature: -40°C to +85°C Communication Mode: UART Transparent Transmission FIFO Buffer: 121 Bytes (single packet mode) Diamensions: 40.5 x 25 mm Package Includes: 1 x EBYTE E28-2G4T27SX Ebyte Semtech SX1281 UART 7Km Range 2.4GHz 27dBm SMD 25*40.5mm CE RoHs FCC LoRa Wireless Transmitter RF Module

Specifications

Operating Frequency	2400–2500 MHz (ISM Band)
Transmission Power	Up to 27 dBm
Receiver Sensitivity	Down to -134 dBm
Communication Interface	UART (TTL logic level)
Power Supply Range	2.3V – 5.5V
Maximum Communication Range	Up to 7km
Disclaimer	Strictly prohibited for military or life safety use. Any behaviour should be completely at the user's own risk.
Shipping Weight	0.010 kg
Shipping Dimensions	5 × 5 × 2 cm