--- product_id: 329885661 title: "HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX)" brand: "happymodel" price: "¥7429" currency: JPY in_stock: true category: "Happymodel" url: https://www.desertcart.jp/products/329885661-happymodel-elrs-2-4g-expresslrs-epi-ep2-rx-nano-long store_origin: JP region: Japan --- # Ultra low latency, 25-500Hz refresh rate Compact 10x10x6mm nano size 2.4-2.5GHz frequency range HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX) **Brand:** happymodel **Price:** ¥7429 **Availability:** ✅ In Stock ## Summary > 🚀 Race Beyond Limits with the Happymodel ELRS Nano Receiver! ## Quick Answers - **What is this?** HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX) by happymodel - **How much does it cost?** ¥7429 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/329885661-happymodel-elrs-2-4g-expresslrs-epi-ep2-rx-nano-long) ## Best For - happymodel enthusiasts ## Why This Product - Trusted happymodel brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Nano Powerhouse:** Ultra-compact 10x10x6mm design fits any racing drone or tinywhoop with zero bulk. - • **Open Source Freedom:** Beta firmware based on ExpressLRS lets you customize and upgrade effortlessly via WiFi hotspot and 10.0.0.1 portal. - • **Plug & Play Binding:** Seamless binding with ExpressLRS TX modules via intuitive LED status indicators and simple power cycle steps. - • **Long-Range Dominance:** Operates on 2.4-2.5GHz ISM band with SX1280 RF module for extended, interference-resistant range. - • **Lightning-Fast Response:** Experience ultra-low latency with a blazing 25-500Hz receive refresh rate for razor-sharp control. ## Overview The HAPPYMODEL ELRS 2-4G Nano Receiver is a cutting-edge, ultra-compact long-range receiver designed for racing drones and tinywhoops. Featuring a 2.4-2.5GHz frequency range, SX1280 RF module, and a refresh rate up to 500Hz, it delivers low-latency, high-performance control. Its open-source ExpressLRS firmware supports easy binding, WiFi firmware upgrades, and customization, making it the go-to choice for professional drone racers seeking lightweight, reliable connectivity. ## Description HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver for Racing Drone Description Common feature of EPI. EP2 Receiver : Type: ISM SX1280IMLTRT RF Module MCU: ESP8285 Frequency Range: 2400 to 2500 Receive refresh rate: 25 - 500 Working voltage: 5V Dimension: 10mm*10mm*6mm Bind procedure: 1.Supply power to the EP1/EP2 rx, wait until the LED on the RX is off, immediately turn off the power, and then repeat again the above steps. When the RX is powered on for the third time, the LED light will start to double-flash, which means that the RX enters the binding mode 2.Insert the ES24TX module or other DIY 2-4G ELRS TX to Radio transmitter, and choose External RF mode to CRSF protocol, then you can find ELRS menu from the Radio systems(Need to copy the ELRS.LUA file to the SD-Card tools first), Enter into ELRS and press [Bind], the LED on the RX module will getting to be solid if bind successfully. 3.Receiver LED status meanings: EP1/EP2 RX: LED solid means bind successful or Connection established; LED double-flash means in bind mode; LED flash slowly means no signal connection from the TX module; LED flash fast means in WIFI hotspot mode, you can connect the WIFI of the RX and upgrade firmware of the RX via visit 10.0.0.1(password:expresslrs) ## Features - The Happymodel 2-4G ELRS nano series receiver is an open source program based on ExpressLRS, pre-loaded firmware are all beta versions. - MCU: EP1 / EP2_RX with ESP8285 MCU. Frequency Range: 2400 to 2500. - Peak-Gain Difference: EP2 _RX is 3.7dB, while EP1_RX is 2.23dB. - Receiver Common Feature: Working Voltage 5V , Dimension 10*10*6mm, SX1280IMLTRT RF Module, Receive Refresh Rate: 25- 500, Type: ISM. - ELRS Receiver Comfortable with racing, long range dorne and tinywhoop, as they are lightweight , Nano size, and with Low-latency and high-refresh-rate RF module. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B095JQ8F9J | | Age Range Description | Adult | | Are batteries included? | No | | Best Sellers Rank | #182,704 in Toys & Games ( See Top 100 in Toys & Games ) #160 in RC Radio Receivers | | Brand Name | HAPPYMODEL | | Color | black | | Connectivity Technology | ExpressLRS | | Control Type | Remote Control | | Customer Reviews | 4.2 4.2 out of 5 stars (42) | | Included Components | Transmitter | | Includes Rechargeable Battery | No | | Includes Remote? | Yes | | Item Dimensions L x W x H | 0.39"L x 0.39"W x 0.24"H | | Manufacturer | HAPPYMODEL | | Material | ceramic | | Media Type | SD | | Model Name | ELRS | | Model Number | ELRS | | Operating Temperature | 14 Degrees Celsius | | Optical Sensor Technology | CMOS, CCD | | Part Number | ELRS | | Remote Control Technology | ExpressLRS | | Supported Image Format | JPEG, MP4 | | UPC | 700512167825 | | Video Capture Format | MP4 | | Wireless Communication Technology | ExpressLRS | ## Product Details - **Age Range (Description):** Adult - **Brand:** HAPPYMODEL - **Color:** black - **Connectivity Technology:** ExpressLRS - **Control Type:** Remote Control - **Included Components:** Transmitter - **Material:** ceramic - **Model Name:** ELRS - **Remote Control Technology:** ExpressLRS - **Video Capture Format:** MP4 ## Images ![HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX) - Image 1](https://m.media-amazon.com/images/I/418ScU6FNFL.jpg) ![HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX) - Image 2](https://m.media-amazon.com/images/I/61CkGK-rmzL.jpg) ![HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX) - Image 3](https://m.media-amazon.com/images/I/517TIKgmKfL.jpg) ![HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX) - Image 4](https://m.media-amazon.com/images/I/61iKWuT7U1L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX) - HAPPYMODEL OVX303 5-8G 40CH 300/5V Current VTX OpenVTX for Indoor Drone --- ## 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.jp/products/329885661-happymodel-elrs-2-4g-expresslrs-epi-ep2-rx-nano-long](https://www.desertcart.jp/products/329885661-happymodel-elrs-2-4g-expresslrs-epi-ep2-rx-nano-long) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-08*