{"id":70,"date":"2019-11-30T15:56:32","date_gmt":"2019-11-30T15:56:32","guid":{"rendered":"http:\/\/suffolkpager.com\/?page_id=70"},"modified":"2022-10-21T10:22:28","modified_gmt":"2022-10-21T10:22:28","slug":"gb7pmh-details","status":"publish","type":"page","link":"https:\/\/suffolkpager.com\/index.php\/gb7pmh-details\/","title":{"rendered":"MB7PMH details"},"content":{"rendered":"\n<p>MB7PMH uses a GM300 Motorola transceiver connected to a MMVDM board. The GM300 works on the DAPNET frequency (439.9875 MHz), and uses 1200 Baud audio from an MMDVM Duplex board.<\/p>\n\n\n\n<p>\u2022    The 19\u201d rack also contains a Raspberry Pi B with Pi-Star, a 12V to 5V converter for the Pi, and an 80mm fan to cool the system.<br> \u2022    There is a 3.2\u201d Nextion display to show the status. <br> \u2022    Connection is via 12V fused at the back of the unit. The GM300 uses a mini UHF connector. This is brought out to an N connector on the back panel.<br> \u2022    Audio levels are adjusted by potentiometers on the MMDVM Board (the RX Squelch is used to check channel occupancy).<\/p>\n\n\n\n<p><strong>Useful references:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/suffolkpager.com\/wp-content\/uploads\/2019\/11\/pager-1.jpg\" alt=\"\" class=\"wp-image-75\" width=\"378\" height=\"178\" srcset=\"https:\/\/suffolkpager.com\/wp-content\/uploads\/2019\/11\/pager-1.jpg 464w, https:\/\/suffolkpager.com\/wp-content\/uploads\/2019\/11\/pager-1-300x142.jpg 300w\" sizes=\"(max-width: 378px) 85vw, 378px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>MB7PMH uses a GM300 Motorola transceiver connected to a MMVDM board. The GM300 works on the DAPNET frequency (439.9875 MHz), and uses 1200 Baud audio from an MMDVM Duplex board. \u2022 The 19\u201d rack also contains a Raspberry Pi B with Pi-Star, a 12V to 5V converter for the Pi, and an 80mm fan to &hellip; <a href=\"https:\/\/suffolkpager.com\/index.php\/gb7pmh-details\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;MB7PMH details&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/suffolkpager.com\/index.php\/wp-json\/wp\/v2\/pages\/70"}],"collection":[{"href":"https:\/\/suffolkpager.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/suffolkpager.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/suffolkpager.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suffolkpager.com\/index.php\/wp-json\/wp\/v2\/comments?post=70"}],"version-history":[{"count":11,"href":"https:\/\/suffolkpager.com\/index.php\/wp-json\/wp\/v2\/pages\/70\/revisions"}],"predecessor-version":[{"id":100,"href":"https:\/\/suffolkpager.com\/index.php\/wp-json\/wp\/v2\/pages\/70\/revisions\/100"}],"wp:attachment":[{"href":"https:\/\/suffolkpager.com\/index.php\/wp-json\/wp\/v2\/media?parent=70"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}