{"product_id":"mmdvm-open-source-multi-mode-digital-voice-modem-digital-dmr-repeater-board-for-raspberry-pi-support-analog-digital","title":"MMDVM Open-Source Multi-Mode Digital Voice Modem Digital DMR Repeater Board For Raspberry Pi Support Analog Digital","description":"\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv style=\"margin:10px auto 0px;margin-bottom:0px;margin-top:10px;margin-left:auto;margin-right:auto;display:inline-block;max-width:100%\"\u003e\n\u003cp\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e1. This product MMDVM is designed to be an open source multi-mode digital voice modem, which utilizes the functions of an ARM processor and a simple analog interface board.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e2. The multi-mode digital voice modem is a combination of hardware and software development of the modem, which can handle all amateur digital voice modes.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e3. Initially it will support D-Star and DMR, later will support other versions, and built-in FM repeater controller.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e4. The modem can be used in either simplex or duplex mode for all modes except DMR and FM, while full duplex must be used for DMR and FM.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e5. This board needs to be used For Raspberry Pi PI3, Orange Pi, and various school development boards.\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cstrong\u003eParameter Description:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e1. This board needs to be used with Raspberry Pi PI3, Orange Pi, and various school development boards, running pi-star\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e2. This board has been used in GM300, GM3188, 3688, 950I, 338, DR-1X, other types of repeaters and bus stations need to be studied by themselves\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e3. For self-developed programming, Teensy 3.1\/3.2 and mbed platforms, the only requirement for hardware is to be based on ARM M3, M4 or M7, and have access to raw interrupts and ADC and ADC ports and digital signaling ports.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e4.MMDVM open source multi-mode digital voice modem for Raspberry Pi\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cstrong\u003eProduct List:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e1X module\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e1X connecting wire\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1995e883d86d401fbfd75ae7ff297625E.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S41e8068e96a04062a87f865a8974fba68.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2c8976bafb3d4de097fa910b9d064f63J.jpg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript\u003ewindow.adminAccountId=231173057;\u003c\/script\u003e","brand":"Cartoolshop","offers":[{"title":"Default Title","offer_id":47438870151335,"sku":null,"price":55.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0080\/7908\/1562\/files\/S12f5f9907e5e4ae5bb96bc564300ea48w.webp?v=1765718346","url":"https:\/\/www.cartoolshop.com\/products\/mmdvm-open-source-multi-mode-digital-voice-modem-digital-dmr-repeater-board-for-raspberry-pi-support-analog-digital","provider":"Cartoolshop","version":"1.0","type":"link"}