--- product_id: 181471537 title: "DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02" brand: "dollatek" price: "€ 36.97" currency: EUR in_stock: true reviews_count: 3 url: https://www.desertcart.hr/products/181471537-dollatek-x1278-lora-433mhz-ra-02-wireless-spread-spectrum-transmission store_origin: HR region: Croatia --- # Ultra-low power standby 0.2μA 10km LoRa range SPI half-duplex up to 300kbps DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02 **Brand:** dollatek **Price:** € 36.97 **Availability:** ✅ In Stock ## Summary > 📶 Elevate your IoT game with the DollaTek X1278 — where range meets reliability! ## Quick Answers - **What is this?** DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02 by dollatek - **How much does it cost?** € 36.97 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/181471537-dollatek-x1278-lora-433mhz-ra-02-wireless-spread-spectrum-transmission) ## Best For - dollatek enthusiasts ## Why This Product - Trusted dollatek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Signal Integrity:** Super error correction and 127dB RSSI dynamic range ensure crystal-clear, interference-free transmission. - • **Flexible Modulation Modes:** Supports FSK, GFSK, MSK, GMSK, LoRa, and OOK for versatile wireless applications. - • **Plug & Play Antenna Upgrade:** IPEX socket lets you easily connect external antennas for optimized signal strength and range. - • **Power Efficiency That Lasts:** Ultra-low power standby mode at just 0.2μA keeps your projects running longer without recharge anxiety. - • **Unmatched Long-Range Connectivity:** Communicate seamlessly up to 10,000 meters with advanced LoRa spread spectrum tech. ## Overview The DollaTek X1278 Ra-02 module leverages SX1278 LoRa technology to deliver ultra-long-range wireless communication up to 10km at 433MHz. Featuring ultra-low power consumption, advanced error correction, and multiple modulation modes, it’s ideal for smart home, meter reading, and security applications. Its compact design with an IPEX antenna connector ensures easy integration and enhanced signal performance. ## Description Description: The Ra-02 is based on SX1278 wireless transparent transmission module(a transceiver), with IPEX plug that can be connected to an external antenna.Using advanced spread spectrum LoRa technology, the communication distance is 10000m, super error correction, anti-interference ability wake function (extremely low power consumption) ). Features: Spread Spectrum LoRa Modulation Technology + 20dBm-100mW Constant RF output power when voltage changes High sensitivity: low to -148dBm SPI communication in half duplex Programmable bit rates up to 300 kbps Supports FSK, GFSK, MSK, GMSK, LoRa and OOK modulation modes Dynamic range RSSI 127dB Automatic RF signal detection, CAD and ultra-fast AFC mode With CRC, up to 256 bytes of packet engine Two-row small volume seal patch pack With armor shell With anteanna IPEX connector Features: Wireless Standard 433 MHz Frequency range: 420~450MHz Interface: SPI GPIO Voltage: 1.8~3.7V, typical value is 3.3V Current: Receiver: = <10.8mA (LnaBoost off, band 1) Transmission: = <120mA (+ 20dBm). Standby mode: 0.2μA Working temperature: -40 to +85 °C Package contains: 1 x LoRa SX1278 433MHz Ra-02 Module with Expansion Card Review: Worked good - Excellent Review: Very good - Still in the experimental phase but so far working very good. Still haven't had chance to check the range yet bit I'm sure they will work well ## Features - Ra-02 is based on SX1278 wireless transparent transmission module (transceiver one), with IPEX socket it can connect external antenna.Using advanced LoRa spread spectrum technology,communication distance is 10000 meters. - super error correction, anti-interference ability, with the air wake-up function (ultra-low power consumption). - It can be used in the environment with thousands of people, especially for meter reading, smart home, burglar alarm and other equipment. - LoRa Spread Spectrum Modulation Technology; + 20dBm-100mW Constant RF power output when voltage changes; Half-duplex SPI communication; Programmable bit rates up to 300kbps. - High sensitivity: low to -148dBm; Supports FSK, GFSK, MSK, GMSK, LoRa and OOK modulation modes; 127dB RSSI dynamic range; Automatic RF signal detection, CAD mode and ultra-high-speed AFC. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B081JN2ZHK | | Best Sellers Rank | 32,203 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 49 in Network Transceivers | | Guaranteed software updates until | unknown | | Item model number | DollaTek | | Manufacturer | DollaTek | | Package Dimensions | 14.5 x 8.4 x 1.8 cm; 25 g | ## Images ![DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02 - Image 1](https://m.media-amazon.com/images/I/616wQC12bqL.jpg) ![DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02 - Image 2](https://m.media-amazon.com/images/I/51r0mnT3MoL.jpg) ![DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02 - Image 3](https://m.media-amazon.com/images/I/61gW9OU-3zL.jpg) ![DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02 - Image 4](https://m.media-amazon.com/images/I/51X3aDI7RcL.jpg) ![DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02 - Image 5](https://m.media-amazon.com/images/I/51wDORDXo0L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked good *by G***N on 14 July 2024* Excellent ### ⭐⭐⭐⭐⭐ Very good *by M***T on 9 June 2022* Still in the experimental phase but so far working very good. Still haven't had chance to check the range yet bit I'm sure they will work well ### ⭐⭐⭐⭐⭐ Review *by J***M on 16 March 2022* Optimal geeignet, um z.B. eine Aufsteckplatine für den Raspberry zu fädeln und dann LoraAPRS damit zu empfangen. ## Frequently Bought Together - DollaTek X1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transmission Socket Ra02 - Jopto 2PCS 433MHZ Antenna 3DBI High Gain Hotspot Omnidirectional WiFi Straight RP-SMA Female Connector with U.FL IPEX to RP-SMA Male 3G 4G WIFI Module Coaxial Pigtail 15cm RF 1.13 Antenna Wifi Cable --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/181471537-dollatek-x1278-lora-433mhz-ra-02-wireless-spread-spectrum-transmission](https://www.desertcart.hr/products/181471537-dollatek-x1278-lora-433mhz-ra-02-wireless-spread-spectrum-transmission) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-25*