{"product_id":"new-version-mmdvm-hs-dual-duplex-hotspot-board-support-p25-dmr-nxdn-with-oled-2-antennas-case-for-raspberry-pi-pistar","title":"New Version MMDVM HS Dual Duplex Hotspot Board  Support P25 DMR NXDN With OLED 2 Antennas + Case For Raspberry pi Pistar","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\"\u003ecmmdvmo\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\"\u003eno\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-size:large;font-family:arial\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eITEM NOT INCLUDE THE RASPBERRY PI \u003cbr\u003eSelling point \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-size:large;font-family:arial\"\u003e\u003cspan\u003e\u003cstrong\u003e: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-size:large;font-family:arial\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan style=\"color:rgb(0, 0, 153)\"\u003eOur simplex and duplex systems all use an offset of 0, which is our duplex system. Regardless of simplex or duplex, the offset is 0.\u003cbr\u003eWe are using high-precision temperature compensated crystals, so it is 0\u003cbr\u003eWe use high cost TCXO crystal with extremely low bit error rate, offset of 0,\u003cbr\u003eand frequency error of 0\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\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\u003cspan style=\"color:rgb(255, 0, 0);font-size:large;font-family:arial\"\u003eBest version  :\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"line-height:23.2727px;color:rgb(0, 0, 0);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\"\u003e\u003cspan style=\"font-size:large;font-family:arial\"\u003e\u003cspan\u003e 1.Latest version  and the firmware is latest \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\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- 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\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 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- Aluminum alloy shell\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\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S06cffc5f7097484993fe5b4f3ec7a2b1u.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sbdd5581a1bc54c3686c3c920c4af221bZ.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8d8cbac9e1aa46359c251c58d3c90590u.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S95a9e4b6aaa748be9c09e1ac87f4bbe1n.png\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"text-align:left\" align=\"left\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Apsilon","offers":[{"title":"with OLED case","offer_id":58256924639576,"sku":"14:200013901#with OLED case","price":45.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3526\/8440\/files\/S8c5b5007af4648baadd55714ba37cc17S.webp?v=1787557683","url":"https:\/\/apsilon.eu\/products\/new-version-mmdvm-hs-dual-duplex-hotspot-board-support-p25-dmr-nxdn-with-oled-2-antennas-case-for-raspberry-pi-pistar","provider":"Apsilon","version":"1.0","type":"link"}