--- product_id: 214752873 title: "MMDVM Duplex Hotspot Module Dual Hat V1.5.2 with 0.96 OLED Display Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for R Pi 1, 2/2b, 3/3b/3b+, 4/4b, Pi Zero, Zero 2W with USB Port (with OLED)" brand: "aursinc" price: "$U5784" currency: UYU in_stock: true category: "Aursinc" url: https://www.desertcart.uy/products/214752873-mmdvm-duplex-hotspot-module-dual-hat-v1-5-2-0 store_origin: UY region: Uruguay --- # 32-bit ARM processor power Dual ADF7021 radios for true duplex 0.96-inch OLED display MMDVM Duplex Hotspot Module Dual Hat V1.5.2 with 0.96 OLED Display Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for R Pi 1, 2/2b, 3/3b/3b+, 4/4b, Pi Zero, Zero 2W with USB Port (with OLED) **Brand:** aursinc **Price:** $U5784 **Availability:** ✅ In Stock ## Summary > 📡 Stay Connected, Stay Ahead — The Duplex Hotspot for the Modern Ham ## Quick Answers - **What is this?** MMDVM Duplex Hotspot Module Dual Hat V1.5.2 with 0.96 OLED Display Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for R Pi 1, 2/2b, 3/3b/3b+, 4/4b, Pi Zero, Zero 2W with USB Port (with OLED) by aursinc - **How much does it cost?** $U5784 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/214752873-mmdvm-duplex-hotspot-module-dual-hat-v1-5-2-0) ## Best For - aursinc enthusiasts ## Why This Product - Trusted aursinc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **True Duplex Operation:** Experience simultaneous transmit and receive with dual ADF7021 radios—double your communication efficiency. - • **Crystal-Clear OLED Display:** Stay informed at a glance with the crisp 0.96-inch OLED screen showing real-time status and settings. - • **Effortless Firmware Upgrades:** Keep your hotspot cutting-edge with easy SSH commands and support for the latest V1.6.1 firmware. - • **Seamless Multi-Protocol Support:** Effortlessly connect across DMR, P25, D-Star, YSF, and NXDN networks for ultimate versatility. - • **Broad Raspberry Pi Compatibility:** Plug and play with Pi 1 through Pi 4, including Zero and Zero 2W models—future-proof your setup. ## Overview The AURSINC MMDVM Duplex Hotspot Module V1.5.2 is a high-performance, dual-radio communication board designed for Raspberry Pi devices. Featuring a 32-bit ARM processor and a crisp 0.96-inch OLED display, it supports multiple digital voice protocols including DMR, P25, D-Star, YSF, and NXDN. Its duplex capability allows simultaneous transmit and receive on two time slots, enhancing communication efficiency. Compatible with a wide range of Raspberry Pi models and equipped with easy firmware upgrade options, this module is ideal for amateur radio enthusiasts seeking versatile, reliable, and future-ready hotspot performance. ## Description DESCRIPTION Original cystal : Original ECS-TXO-3225-147.4-TR from USA Duplex variant of MMDVM_HS_Hat This PCB uses the MMDVM_HS . It has two ADF7021 onboard and allows for duplex operation with two time slots on DMR. Setting Tips: Modem select: STM32-DVM/MMDVM_HS-Raspberry pi Hat(GPIO) Package List: 1x MMDVM duplex HotSPOT Module 2x Antenna ## Features - [WIDELY COMPATIBLE] Supports DMR, P-25, D-Star and System Fusion. HIGH PERFORMACE: 32-bit ARM processor, up to 10mW RF power, fully tested every piece. Compatible with the Raspberry Pi, including the Pi 1, 2/2b, 3/3b/3b+, 4/4b, Pi Zero, Pi Zero 2W - [FREQUENCY] Radio Frequency: 144-148, 219-225, (Main Band) 420-475, 842-950. It's best to work on the amateur band: 430-440 MHz. NOTE: TX =0, RX=0. Modem select: STM32-DVM/MMDVM_HS-Raspberry pi Hat (GPIO) or any other (GPIO board) - [NOTE] If the board fails to work on duplex mode, please run the upgrade command: sudo pistar-mmdvmhshatflash hs_dual_hat (if this command doesn't work, please try WPSD replace pi-star for MMDVM: https:// www. mmdvm .club/index .php/wpsd.html) - [LASTEST FIRMWARE] The MMDVM Duplex Hotspot board is latest firmware V1.5.2, support upgrade to V1.6.1. How to upgrade: (pi-star/expert/ssh access/user: pi-star pass: raspberry) connect JP1 first. Then run upgrade command(as shown). After upgraded finished, disconnect JP1 - [Package List] 1x MMDVM duplex Hotspot Module(with 0.96inch OLED); 2x Antenna; 2x SMA socket. If you encounter any issues while using the product, please contact us, we're here to help ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B089K195T2 | | Best Sellers Rank | #1,123 in Single Board Computers (Computers & Accessories) | | Brand | AURSINC | | Built-In Media | 1x MMDVM duplex Hotspot Module, 2x Antenna | | Compatible Devices | Raspberry Pi 1, 2/2b, 3/3b/3b+, 4/4b, Zero, Zero 2W | | Connectivity Technology | GPIO | | Customer Reviews | 4.3 4.3 out of 5 stars (53) | | Manufacturer | AURSINC | | Mfr Part Number | 2020 | | Model Name | MMDVM duplex Hotspot Module | | Model Number | 2020 | | Operating System | Raspberry Pi OS (based on Linux) | | Processor Brand | ARM | | Processor Count | 1 | | RAM Memory Technology | LPDDR3 | | Smart Home Compatibility | Not Smart Home Compatible | | Total Usb Ports | 1 | | UPC | 753318593275 | | Warranty Description | 1 year | | Wireless Compability | Radio Frequency | ## Product Details - **Brand:** AURSINC - **Connectivity Technology:** GPIO - **Included Components:** 1x MMDVM duplex Hotspot Module, 2x Antenna - **Model Name:** MMDVM duplex Hotspot Module - **Operating System:** Raspberry Pi OS (based on Linux) ## Images ![MMDVM Duplex Hotspot Module Dual Hat V1.5.2 with 0.96 OLED Display Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for R Pi 1, 2/2b, 3/3b/3b+, 4/4b, Pi Zero, Zero 2W with USB Port (with OLED) - Image 1](https://m.media-amazon.com/images/I/71V8mc1eevL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - AURSINC MMDVM Duplex Hotspot Module Dual Hat V1.5.2 with 0.96 OLED Display Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for R Pi 1, 2/2b, 3/3b/3b+, 4/4b, Pi Zero, Zero 2W with USB Port (with OLED) - Duplex MMDVM & Raspberry Pi4 & 3B+ | Room for 0.96” Screen | Zebra DRPi-1S (Black Ice) - Raspberry Pi 4 Model B (4GB) --- ## 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.uy/products/214752873-mmdvm-duplex-hotspot-module-dual-hat-v1-5-2-0](https://www.desertcart.uy/products/214752873-mmdvm-duplex-hotspot-module-dual-hat-v1-5-2-0) --- *Product available on Desertcart Uruguay* *Store origin: UY* *Last updated: 2026-08-03*