{"product_id":"duplex-mmdvm_hs_dual_hat-hotspot-uhf-vhf-buil-in-antenna-support-p25-dmr-ysf-for-raspberry-pi-oled-metal-case","title":"Duplex MMDVM_hs_dual_hat  Hotspot UHF VHF Buil-in Antenna Support P25 DMR YSF For Raspberry Pi + OLED + Metal Case","description":"\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv align=\"start\" style=\"font-family:arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);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\"\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S8652d1ec3f4745318ae25fd73d39c96b7.jpg\"\u003e\u003c\/div\u003e\n\n\u003cdiv align=\"start\" style=\"font-family:arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);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\"\u003e\n\u003cp style=\"font-family:helvetica, arial, sans-serif;font-size:14px;line-height:inherit;color:rgb(36, 41, 46);margin-bottom:16px;margin-top: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\n\u003cp style=\"font-family:helvetica, arial, sans-serif;font-size:14px;line-height:inherit;color:rgb(36, 41, 46);margin-bottom:16px;margin-top: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\"\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\n\u003cp style=\"font-family:helvetica, arial, sans-serif;font-size:14px;line-height:inherit;color:rgb(36, 41, 46);margin-bottom:16px;margin-top: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\u003c\/div\u003e\n\n\u003cp align=\"start\" 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-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cstrong\u003eFeatures: \u003cbr\u003e\n- Fully tested\u003cbr\u003e\n- Supports DMR, P-25,D-Star and System Fusion\u003cbr\u003e\n- Onboard LEDs to show status (Tx,Rx,PTT,Mode)\u003cbr\u003e\n- Up to 10mW RF power\u003cbr\u003e\n- SMA antenna connector,Antenna included\u003cbr\u003e\n- Mounts cleanly on all current Raspberry Pi's including the Pi Zero\u003cbr\u003e\n- The firmware is pre-loaded and is easily upgraded via software.\u003cbr\u003e\n- UHF 430-450 MHz,433mhz and 900MHz\u003c\/strong\u003e\u003cbr\u003e\n\u003cbr\u003e\n\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\n\u003cbr\u003e\nThe upper part is TX,the lower is RX antenna.\u003cbr\u003e\nUHF+VHF\u003cbr\u003e\nSMA,antenna\u003cbr\u003e\nModem select: STM32_HS_GPIO\u003cbr\u003e\nSet TX frequency,RX frequency\u003cbr\u003e\nTX,RX frequency had better 10M or more apart.\u003cbr\u003e\nSLOT1,SLOT2 support.\u003cbr\u003e\n\u003cbr\u003e\nPackage List:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp align=\"start\" 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-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cstrong\u003e- MMDVM duplex HotSPOT Module x1\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp align=\"start\" 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-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e- Antenna(UHF) x 2\u003c\/p\u003e\n\n\u003cp align=\"start\" 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-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e- SMA socket x 2pcs \u003cbr\u003e\n- Aluminum alloy shell\u003c\/p\u003e\n\n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;display:block;width:1547px'\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/wxalbum\/123932\/20250328194746\/9da6320b1b1912664a60c37a8cb460c2.jpg\" style=\"max-width:100%\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/wxalbum\/123932\/20250328194800\/d7762b134d43dc97648ca9c6d009ac8d.jpg\" style=\"max-width:100%\"\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=2675162470;\u003c\/script\u003e","brand":"Cartoolshop","offers":[{"title":"Default Title","offer_id":47405924712615,"sku":null,"price":16.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0080\/7908\/1562\/files\/S8652d1ec3f4745318ae25fd73d39c96b7.webp?v=1765292108","url":"https:\/\/www.cartoolshop.com\/products\/duplex-mmdvm_hs_dual_hat-hotspot-uhf-vhf-buil-in-antenna-support-p25-dmr-ysf-for-raspberry-pi-oled-metal-case","provider":"Cartoolshop","version":"1.0","type":"link"}