{"product_id":"sunster-gsm-lte-4g-5g-switch-med-b249-smart-motherboard-12v-24v","title":"Sunster GSM \/ LTE 4G\/5G Switch with B249 Smart Motherboard (12V\/24V)","description":"\u003cp\u003eThe \u003cstrong\u003eSunster GSM \/ LTE 4G\/5G Switch with B249 Smart Motherboard\u003c\/strong\u003e is an advanced control solution for diesel heaters, giving you full control over your heating system – no matter where you are.\u003c\/p\u003e\n\n\u003cp\u003eThe system combines modern remote control via mobile networks and Bluetooth with intelligent temperature control and stable operation. It is an ideal upgrade for boats, motorhomes, and off-grid installations where comfort and flexibility are essential.\u003c\/p\u003e\n\n\u003cp\u003eWith this kit, you can start, stop, and monitor your diesel heater directly from your smartphone – both locally and globally.\u003c\/p\u003e\n\n\u003ch3\u003e⚡ Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRemote control via GSM \/ LTE 4G\/5G and Bluetooth\u003c\/li\u003e\n\u003cli\u003eFull control set with both display and motherboard\u003c\/li\u003e\n\u003cli\u003eStable and precise temperature control\u003c\/li\u003e\n\u003cli\u003eSuitable for boats, campers, and off-grid solutions\u003c\/li\u003e\n\u003cli\u003eEasy integration with existing diesel heaters\u003c\/li\u003e\n\u003cli\u003eReliable solution for demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⛵ Suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBoats and sailboats\u003c\/li\u003e\n\u003cli\u003eMotorhomes and caravans\u003c\/li\u003e\n\u003cli\u003eService vehicles and vans\u003c\/li\u003e\n\u003cli\u003eOff-grid installations\u003c\/li\u003e\n\u003cli\u003eUpgrading existing diesel heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📊 Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eS-A2466 Switch + B249 Smart Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e12V \/ 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eGSM \/ LTE 4G\/5G + Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eDigital LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSIM card\u003c\/td\u003e\n\u003ctd\u003eNano-SIM (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote control\u003c\/td\u003e\n\u003ctd\u003eYes – via app and mobile network\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctions\u003c\/td\u003e\n\u003ctd\u003eStart\/stop, temperature control, timer, ventilation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eUniversal diesel heaters (Chinese heaters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eStable in both cold and high altitudes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e🔧 Installation\u003c\/h3\u003e\n\u003cp\u003eInstallation requires proper connection to the diesel heater's control unit. Check compatibility with your existing system and ensure correct power supply and component placement. Always follow the applicable installation guide.\u003c\/p\u003e\n\n\u003ch3\u003e💡 Tip from SejlStrøm\u003c\/h3\u003e\n\u003cp\u003eThis kit is an obvious upgrade if you want to be able to start your heater before you arrive at the boat. Combine with correct power supply and cables for a stable installation.\u003c\/p\u003e","brand":"Sunster","offers":[{"title":"Default Title","offer_id":56951437787511,"sku":null,"price":649.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1369\/2791\/files\/sunster-gsm-lte-4g5g-switch-med-b249-smart-motherboard-12v24v-2434076.webp?v=1774909354","url":"https:\/\/sejlstroem.dk\/en\/products\/sunster-gsm-lte-4g-5g-switch-med-b249-smart-motherboard-12v-24v","provider":"SejlStrøm","version":"1.0","type":"link"}