{"product_id":"new-mmdvm-hs-dual-hat-duplex-hotspot-board-with-usb-2-2inch-oled-display-support-p25-dmr-ysf-nxdn-for-raspberry-pi","title":"New MMDVM HS Dual Hat Duplex Hotspot Board With USB + 2.2inch OLED Display Support P25 DMR YSF NXDN For Raspberry pi","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eAccessories Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eReceiver\/Transmitter\/Transceiver\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLUSYA\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCompatible Brand\/Model\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectric\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDUALMMDVM2.2\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWith \tUSB\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cdiv style=\"font-family:arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51);background-color:rgb(255, 255, 255);margin:0px 0px 15px;margin-bottom:15px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" align=\"start\"\u003e\n\u003cp style=\"font-family:helvetica, arial, sans-serif;font-size:14px;font-weight:400;line-height:inherit;color:rgb(36, 41, 46);margin:0px 0px 16px;margin-bottom:16px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cstrong\u003eDuplex variant of MMDVM_HS_Hat \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:helvetica, arial, sans-serif;font-size:14px;font-weight:400;line-height:inherit;color:rgb(36, 41, 46);margin:0px 0px 16px;margin-bottom:16px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cstrong\u003eThis PCB uses the \u003c\/strong\u003e\u003ca style=\"color:rgb(58, 62, 74);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" target=\"_self\" class=\"\"\u003e\u003cstrong\u003eMMDVM_HS\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e . It has two ADF7021 onboard and allows for duplex operation with two time slots on DMR.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:helvetica, arial, sans-serif;font-size:14px;font-weight:400;line-height:inherit;color:rgb(36, 41, 46);margin:0px 0px 16px;margin-bottom:16px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003eThe default bit error rate is less than 5%, and the default offset is 0. If the bit error rate is more than 5%, as long as the signal can be received, it can be corrected by offset.\u003c\/p\u003e\n\u003ch3 style=\"font-family:helvetica, arial, sans-serif;font-size:1.25em;font-weight:400;line-height:1.25;color:rgb(36, 41, 46);margin:24px 0px 16px;margin-bottom:16px;margin-top:24px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e\u003cstrong\u003eRevision 1.3\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"font-family:helvetica, arial, sans-serif;font-size:14px;font-weight:400;line-height:inherit;color:rgb(36, 41, 46);margin:0px 0px 16px;margin-bottom:16px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cstrong\u003eAn accidentially deleted 3v3 wire has been added back to the PCB layout. BOM, Mouser cart and stencil stay the same as for rev1.2.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cp style=\"font-family:verdana, geneva, sans-serif;font-size:15px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003cbr\u003e\u003cstrong\u003eFeatures: \u003cbr\u003e- High performance 32-bit ARM processor\u003cbr\u003e- Fully tested\u003cbr\u003e- Supports DMR, P-25,D-Star and System Fusion\u003cbr\u003e- Onboard LEDs to show status (Tx,Rx,PTT,Mode)\u003cbr\u003e- Up to 10mW RF power\u003cbr\u003e- SMA antenna connector,Antenna included\u003cbr\u003e- Mounts cleanly on all current Raspberry Pi's including the Pi Zero\u003cbr\u003e- The firmware is pre-loaded and is easily upgraded via software.\u003cbr\u003e- Open source 3D printable case available\u003cbr\u003e- UHF 430-450 MHz,433mhz and 900MHz\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color:rgb(0, 0, 255);color:rgb(255, 255, 255)\"\u003e\u003cstrong\u003eVHF 144 220 Opera FREQ\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThe upper part is TX,the lower is RX antenna.\u003cbr\u003eUHF+VHF\u003cbr\u003eSMA,antenna\u003cbr\u003eModem select:STM32_HS_GPIO\u003cbr\u003eSet TX frequency,RX frequency\u003cbr\u003eTX,RX frequency had better 10M or more apart.\u003cbr\u003eSLOT1,SLOT2 support.\u003cbr\u003e\u003cbr\u003ePackage List:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"font-family:verdana, geneva, sans-serif;font-size:15px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003cstrong\u003e- MMDVM duplex HotSPOT Module x1\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"font-family:verdana, geneva, sans-serif;font-size:15px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e- Antenna x 2\u003c\/p\u003e\u003cp style=\"font-family:verdana, geneva, sans-serif;font-size:15px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e- SMA socket x 2pcs ,\u003cbr\u003e- 2.2 inch OLED display\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4466748ca13d47ac8426a0806bac6a03q.jpg?width=1252\u0026amp;height=809\u0026amp;hash=2061\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb88a64ad8dfd405a93b3eee7effb437ew.jpg?width=1440\u0026amp;height=1080\u0026amp;hash=2520\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;color:rgb(0, 0, 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src=\"https:\/\/ae01.alicdn.com\/kf\/Sb8c92391b35b4e018615407bc2d1a06bA.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9584d95ab8d9433da73dafe6064a20d6z.jpg?width=1644\u0026amp;height=1644\u0026amp;hash=3288\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S824fe156b9584b3cb415ec4b499fa331C.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S26cab311bb664a4aa47d8e5647d80be83.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" slate-data-type=\"image\"\u003e  \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0f88df453f1f4894aac32f26984362fc0.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf48ddde7ad034329b990e2006c0134b4a.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e  \u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S387a65bda5434cbe8d256790ce0b8268t.jpg?width=800\u0026amp;height=379\u0026amp;hash=1179\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Micro Mountain","offers":[{"title":"Default Title","offer_id":46842616971422,"sku":"\u003cnone\u003e","price":77.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/9324\/9950\/files\/S57fe20a9db8f4b14be2bf22858641c3ee.webp?v=1778868061","url":"https:\/\/micro-mountain.myshopify.com\/products\/new-mmdvm-hs-dual-hat-duplex-hotspot-board-with-usb-2-2inch-oled-display-support-p25-dmr-ysf-nxdn-for-raspberry-pi","provider":"Micro Mountain","version":"1.0","type":"link"}