Long Range Module RC55A High-Performance Long-Range Communication Wireless Spread Spectrum Low-Power SoC Module

Long Range Module RC55A High-Performance Long-Range Communication Wireless Spread Spectrum Low-Power SoC Module Description

The RC55A is a high-performance, ultra-low-power, and extremely compact LoRa module. Embedding an ARM Cortex M4 ultra-low-power MCU and a LoRa SX126X transceiver, it supports (G)FSK mode and LoRa modulation, providing ultra-long-range spread spectrum communication and high interference immunity while minimizing current consumption.
LoRa modules are highly suitable for long-range, ultra-low-power, wide-area IoT scenarios such as agriculture, cities, wireless meter reading, sensor networks, and wireless communication.
Supports transparent data transmission via UART serial interface, greatly simplifying integration with microcontrollers, single-board computers, and industrial controllers. No complex RF protocol development required, enabling rapid deployment of wireless communication in existing systems.
The ultra-compact 18.5x15mm SMD form factor allows high-density PCB layout and easy reflow soldering in mass production. Perfect for embedded applications where board space is limited, such as meters, sensor nodes, handheld terminals, and portable monitoring devices.

Chip Model: STM32WLE5JC
Operating Voltage: 1.8 V ~ 3.6 V, Recommended 3.3 V
Operating Frequency Band: 150 MHz ~ 960 MHz
Maximum Transmit Power: +22 dBm
Signal Modulation: LoRa, (G)FSK, (G)MSK, BPSK
Receiver Sensitivity: -148 dBm
GPIO: 18
Communication Interfaces: UART, I2C, SPI, , ADC
Crystal Oscillator: 32 MHz
: 64 KB
Flash: 256 KB
Package: SMT
Dimensions: 18.5 x 15.0 x 2.1mm
Antenna: Spring antenna, IPEX, or external antenna
Operating temperature: -40C to +105C
Storage temperature: 55C to +125C
Operating humidity: 5% to 95%
Storage humidity: 10% to 95%
Received current: 4.82mA
Color:
Material: Electronic Component

Package Contents: