Reyax RYLR998 LoRa Transceiver Module

 The RYLR998 is a high-performance LoRa transceiver module designed for long-range wireless communication with low power consumption. It operates in the 868/915 MHz ISM bands and integrates the Semtech SX1276 LoRa chip, offering a transmission range of up to 15 km in open areas. The module supports UART communication and features adjustable data rates, high receiver sensitivity, and strong anti-interference capability. The RYLR998 is compatible with Arduino, Raspberry Pi, STM32, and ESP32, making it suitable for IoT projects, remote monitoring, and wireless sensor networks.

General

• Model | RYLR998

• Manufacturer | Reyax Technology

• Communication Type | LoRa (Long Range, Low Power Wireless)

• Frequency Band | 868 MHz / 915 MHz (configurable)

Electrical Characteristics

• Operating Voltage | 1.8 V – 3.7 V DC

• Typical Operating Current | 45 mA (transmit), 13 mA (receive)

• Sleep Current | < 1 µA

• RF Output Power | up to 22 dBm

Performance

• Communication Range | up to 10 km (line-of-sight)

• Data Rate | 0.3 – 62.5 kbps

• Modulation | LoRa™ spread spectrum

• Receiver Sensitivity | −136 dBm at SF12, BW 125 kHz

Interface & Control

• Interface | UART (AT command set)

• Baud Rate | 115200 bps (default)

• Logic Level | 3.3 V TTL

Physical & Environmental

• Dimensions | 16 mm × 16 mm × 3 mm

• Operating Temperature | −40 °C to +85 °C

• Mounting Type | SMD / Through-hole (depending on version)