Ezurio PRM240-R2 RAMP Wireless Module

Introduction

The Ezurio PRM240-R2 is a 915 MHz wireless transceiver module built for dependable, low-latency serial communication. Using frequency-hopping spread-spectrum technology, it provides a practical way to add robust long-range wireless links to embedded products without designing a complete RF system from scratch.

Part Description

The PRM240-R2 is a compact wireless transceiver module designed around the 915 MHz ISM-band frequency range. It supports serial data exchange through a UART interface, allowing microcontrollers, industrial controllers, sensors, and other serial devices to communicate wirelessly.

Its frequency-hopping spread-spectrum operation helps improve resilience in environments with interference or competing radio traffic. Configurable transmit power up to 23 dBm supports longer communication distances where appropriate antennas, installation practices, and regional regulations are observed.

In addition to UART communication, the module provides general-purpose I/O capabilities, an analog-to-digital converter, battery monitoring, and an integrated temperature sensor. These features can reduce the number of external components required in remote sensing and control designs.

Key characteristics include:

• 915 MHz wireless operation
• Frequency-hopping spread-spectrum communication
• Low-latency serial data transmission
• UART host interface
• Configurable output power up to 23 dBm
• Long-range wireless capability
• GPIO interfaces for digital monitoring and control
• Integrated ADC for analog signal measurement
• Battery monitor support
• Onboard temperature sensing

Applications

Potential applications for the PRM240-R2 include:

• Wireless serial cable replacement
• Remote sensor networks
• Industrial machine monitoring
• Wireless telemetry systems
• Building automation equipment
• Remote data logging
• Agricultural sensing devices
• Asset monitoring systems
• Battery-powered field instruments
• Wireless command and control links
• Point-to-point equipment communication
• Environmental monitoring nodes

Industries

The PRM240-R2 may be useful in a range of industries, including:

• Industrial automation
• Manufacturing
• Agriculture and agtech
• Energy and utilities
• Building automation
• Logistics and warehousing
• Environmental monitoring
• Transportation infrastructure
• Security and access control
• Smart infrastructure
• Research and laboratory instrumentation
• Commercial IoT product development

Usage Ideas

1. Remote Tank-Level Monitor

Pair the module with an analog level sensor connected to its ADC capability. The device can periodically transmit tank-level readings, battery status, and local temperature to a central monitoring station.

2. Wireless PLC Status Link

Connect the PRM240-R2 UART interface to a microcontroller or PLC communication port to relay machine status, alarms, and operating data across a factory floor without installing a dedicated serial cable.

3. Agricultural Weather Node

Build a battery-powered outdoor node that gathers temperature, soil moisture, and irrigation status data. The wireless module can send readings to a gateway positioned at a farm office or equipment shed.

Conclusion

The Ezurio PRM240-R2 RAMP wireless module is a versatile 915 MHz transceiver for embedded designs that require reliable, low-latency, long-range serial communication. Its UART interface, configurable transmit power, GPIOs, ADC, battery monitor, and temperature sensor make it well suited to remote monitoring, industrial telemetry, automation, and sensor-network applications.