{"id":9152186515693,"title":"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) Without OLED","handle":"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-without-oled","description":"\u003ch3\u003eAURSINC 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)\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eDESCRIPTION Original cystal : Original ECS-TXO-3225-147.4-TR from USA Duplex\r\nvariant of MMDVM_HS_Hat This PCB uses the MMDVM_HS . It has two ADF7021\r\nonboard and allows for duplex operation with two time slots on DMR. Setting\r\nTips: Modem select: STM32-DVM\/MMDVM_HS-Raspberry pi Hat(GPIO) Package List: 1x\r\nMMDVM duplex HotSPOT Module 2x Antenna\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003e[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\u003c\/li\u003e\r\n \u003cli\u003e[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)\u003c\/li\u003e\r\n \u003cli\u003e[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)\u003c\/li\u003e\r\n \u003cli\u003e[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\u003c\/li\u003e\r\n \u003cli\u003e[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\u003c\/li\u003e\r\n \u003cli\u003e[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\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2025-10-21T14:19:23+11:00","created_at":"2025-10-21T14:19:20+11:00","vendor":"AURSINC","type":"Single Board Computers","tags":["electronics_selected_Oct2025"],"price":25300,"price_min":25300,"price_max":25300,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48904034451693,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B089JYBXHQ","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"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) Without OLED","public_title":null,"options":["Default Title"],"price":25300,"weight":69,"compare_at_price":null,"inventory_management":"shopify","barcode":"753318593268","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B089JYBXHQ.jpg?v=1775796056","\/\/leoforward.com\/cdn\/shop\/files\/719j4YfxaHL.jpg?v=1761016762","\/\/leoforward.com\/cdn\/shop\/files\/71tgyRYAXwL.jpg?v=1761016762","\/\/leoforward.com\/cdn\/shop\/files\/717SzYg6zDL.jpg?v=1761016762","\/\/leoforward.com\/cdn\/shop\/files\/516MKlRZ0xL.jpg?v=1761016762","\/\/leoforward.com\/cdn\/shop\/files\/71F98uClIXL.jpg?v=1761016762","\/\/leoforward.com\/cdn\/shop\/files\/71sKHsy11aL.jpg?v=1761016762"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B089JYBXHQ.jpg?v=1775796056","options":["Title"],"media":[{"alt":null,"id":36943824290029,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B089JYBXHQ.jpg?v=1775796056"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B089JYBXHQ.jpg?v=1775796056","width":1600},{"alt":null,"id":36943824322797,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/leoforward.com\/cdn\/shop\/files\/719j4YfxaHL.jpg?v=1761016762"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/719j4YfxaHL.jpg?v=1761016762","width":1600},{"alt":null,"id":36943824355565,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71tgyRYAXwL.jpg?v=1761016762"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71tgyRYAXwL.jpg?v=1761016762","width":1600},{"alt":null,"id":36943824388333,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/leoforward.com\/cdn\/shop\/files\/717SzYg6zDL.jpg?v=1761016762"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/717SzYg6zDL.jpg?v=1761016762","width":1600},{"alt":null,"id":36943824421101,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1004,"width":1004,"src":"\/\/leoforward.com\/cdn\/shop\/files\/516MKlRZ0xL.jpg?v=1761016762"},"aspect_ratio":1.0,"height":1004,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/516MKlRZ0xL.jpg?v=1761016762","width":1004},{"alt":null,"id":36943824453869,"position":6,"preview_image":{"aspect_ratio":1.641,"height":816,"width":1339,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71F98uClIXL.jpg?v=1761016762"},"aspect_ratio":1.641,"height":816,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71F98uClIXL.jpg?v=1761016762","width":1339},{"alt":null,"id":36943824486637,"position":7,"preview_image":{"aspect_ratio":0.668,"height":1496,"width":1000,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71sKHsy11aL.jpg?v=1761016762"},"aspect_ratio":0.668,"height":1496,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71sKHsy11aL.jpg?v=1761016762","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eAURSINC 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)\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eDESCRIPTION Original cystal : Original ECS-TXO-3225-147.4-TR from USA Duplex\r\nvariant of MMDVM_HS_Hat This PCB uses the MMDVM_HS . It has two ADF7021\r\nonboard and allows for duplex operation with two time slots on DMR. Setting\r\nTips: Modem select: STM32-DVM\/MMDVM_HS-Raspberry pi Hat(GPIO) Package List: 1x\r\nMMDVM duplex HotSPOT Module 2x Antenna\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003e[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\u003c\/li\u003e\r\n \u003cli\u003e[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)\u003c\/li\u003e\r\n \u003cli\u003e[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)\u003c\/li\u003e\r\n \u003cli\u003e[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\u003c\/li\u003e\r\n \u003cli\u003e[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\u003c\/li\u003e\r\n \u003cli\u003e[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\u003c\/li\u003e\r\n \u003c\/ul\u003e"}