EBYTE E28-2G4M27SX Free sample SX1281 27dBm 2.4GHz RF transceiver lora module rf modulator for sale

E28-2G4M27SX RF Transceiver Module Overview The E28-2G4M27SX is a 2.4GHz LoRa RF transceiver module based on Semtech's SX1281 chip, featuring 500mW (27dBm) transmit power, SPI interface, and ultra-low current consumption in sleep mode for extended-range IoT applications up to 8km. Key Features High-Power Transmission: 27dBm (500mW) output power for long-range communication Ultra-Low Power Consumption: Extremely low current in sleep/power-saving modes Industrial-Grade Stability: 52MHz precision oscillator with low temperature drift Long-Distance Capability: Up to 8km line-of-sight communication range Compact SMD Design: Miniature 15×20mm footprint for space-constrained applications SPI Interface: Standard serial peripheral interface for easy MCU integration Robust Performance: Stable operation in industrial environments Lightweight Construction: Only 1.5g ±0.1g for portable applications Technical Specifications RF Chip: Semtech SX1281 Frequency Band: 2.4GHz IS