Compact longrange wireless module kit combining ESP8266 / ESP32 with SX1278 LoRa (RA01 / RA02) — built for reliable DIY electronics, smart home alarms, and precision remote sensing. Why this module solves common problems Reliable longrange connectivity: SX1278 LoRa at 433 MHz extends communication up to 10 km (lineofsight), solving range limitations of standard Wi‑Fi and Bluetooth for remote sensors and alarms. Flexible development options: choose ESP8266 or ESP32 host MCU depending on your project needs — ESP32 adds Bluetooth capabilities while both support Wi‑Fi and common IoT firmware ecosystems. Professional antenna interface: IPEX antenna socket lets you attach a gain or external antenna for improved reception and placement flexibility. Key benefits at a glance Improves coverage for smart home alarms, remote telemetry, and rural IoT projects. Reduces interference and improves penetration through obstacles using LoRa spreadspectrum modulation. Simplifies DIY development and prototyping with widely supported ESP modules and LoRa driver compatibility. Durable, precision electronic component designed for reliable longterm use in projects. Core attributes and compatibility Radio: SX1278 LoRa, 433 MHz band (RA01 / RA02 variants) Host MCU compatibility: ESP8266 and ESP32 (choose module variant) Wireless features: LoRa longrange RF; ESP32 provides Bluetooth and Wi‑Fi; ESP8266 provides Wi‑Fi Antenna connector: IPEX (u.FL) socket for external antenna connection Range: up to 10 KM (lineofsight, environmentdependent) Use case focus: Smart home alarm systems, DIY electronics, remote sensor networks Build quality: precision electronic component suitable for reliable, repeatable projects Practical advantages for developers and integrators Ready to integrate into existing ESP toolchains and LoRa libraries (Arduino, PlatformIO, etc.). Small footprint and IPEX antenna option make it suitable for compact enclosures and portable devices. Works well in batterypowered sensor nodes when combined with appropriate power management and sleep strategies. Suggested applications Smart home alarm and security systems: place sensors at remote perimeter locations and reliably transmit alarm events back to a central ESP32/ESP8266 controller without relying on local Wi‑Fi coverage. Rural telemetry and agriculture monitoring: collect soil moisture, temperature, or waterlevel data from widely spaced sensors and forward them to a gateway over long distances with low power overhead. DIY mesh and remote control projects: build lowpower, longrange control links between ESPbased nodes for lighting, environmental controls, or industrial monitoring. What to consider before Range is environmentdependent; quoted 10 KM is achievable under ideal, lineofsight conditions with a suitable antenna and antenna placement. Ensure you select the correct module variant (ESP8266 or ESP32) depending on whether Bluetooth support is required. Antenna choice and placement matter — use the IPEX connector to attach an appropriate external antenna for performance. Compatibility notes Compatible with standard LoRa/SX1278 drivers and common ESP development environments. Works with many LoRaWAN and radioprotocol stacks when integrated with a gateway or custom firmware. This module is designed for reliable DIY and professional applications where longrange communication, flexible MCU options, and precision components are required for smart home alarm systems and other remote electronic projects.