AURSINC
AURSINC MMDVM Duplex Hotspot Module Dual Hat V1.5.2 Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for Raspberry Pi, Pi Zero with USB Port (Without OLED)
*Price sourced from Amazon.com. Last updated 2026-04-23. Price and availability subject to change.
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
Key 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; 2x Antenna; 2x SMA socket. If you encounter any issues while using the product, please contact us, we're here to help
- [After-sales Service] If you have any issues with upgrading the firmware of your product, please contact us. We provide technical support and after-sales service, and we will do our best to help resolve your issue
Full Specifications
| UPC | 753318593268 |
|---|---|
| ASIN | B089JYBXHQ |
| Brand | AURSINC |
| Model Name | AURSINC MMDVM Duplex Hotspot Module Dual Hat |
| Manufacturer | AURSINC |
| Model Number | 2020 |
| Mfr Part Number | 2020 |
| Processor Count | 1 |
| Total Usb Ports | 4 |
| Customer Reviews | 4.24.2 out of 5 stars(105)4.2 out of 5 stars |
| Operating System | Linux |
| Best Sellers Rank | #605 in Single Board Computers (Computers & Accessories) |
| Compatible Devices | Raspberry Pi 1, 2/2b, 3/3b/3b+, 4/4b, Pi Zero, Pi Zero 2W, GPIO boards |
| Warranty Description | 1 year |
Ready to buy?
AURSINC MMDVM Duplex Hotspot Module Dual Hat V1.5.2 Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for Raspberry Pi, Pi Zero with USB Port (Without OLED) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-04-23. Price and availability subject to change.
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