{"product_id":"emlid-reach-rs4","title":"Emlid Reach RS4 RTK GNSS Receiver","description":"\u003cp\u003eBuild a flexible field setup for surveying, construction layout and drone mapping. Reach RS4 combines all-band GNSS, tilt compensation and two radio systems in a compact base or rover receiver.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp class=\"gd-section-lead\"\u003eRun RS4 as your field rover or as a fixed base for compatible equipment. Its 672-channel receiver tracks multiple satellite constellations and frequency bands, including L5 and L6. LTE, Wi-Fi, LoRa and UHF give crews several ways to deliver corrections as site conditions change.\u003c\/p\u003e\u003cdiv class=\"gd-editorial-columns\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWork beyond a level pole\u003c\/h3\u003e\n\u003cp\u003eIMU-based tilt compensation helps measure hard-to-reach points while retaining a defined accuracy model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eConnect the field crew\u003c\/h3\u003e\n\u003cp\u003eBoth LoRa and UHF support transmitting and receiving corrections. NTRIP offers a network-based alternative.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eKeep raw observations\u003c\/h3\u003e\n\u003cp\u003eInternal storage supports RINEX logging for compatible post-processing workflows. RS4 is the non-camera model in the RS4 family.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch2\u003eKey capabilities\u003c\/h2\u003e\u003cdl class=\"gd-highlights\"\u003e\n\u003cdiv\u003e\n\u003cdt\u003eBase + rover\u003c\/dt\u003e\n\u003cdd\u003eFlexible correction workflows\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eTilt compensation\u003c\/dt\u003e\n\u003cdd\u003eIMU-assisted measurement\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003e16 hr\u003c\/dt\u003e\n\u003cdd\u003eRated operating time\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eIP68\u003c\/dt\u003e\n\u003cdd\u003eReceiver protection rating\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\u003cp class=\"gd-metric-note\"\u003eManufacturer-rated performance. Accuracy, battery life and radio performance depend on setup and site conditions.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable class=\"gd-spec-table\"\u003e\n\u003ccaption class=\"gd-sr-only\"\u003eEmlid Reach RS4 RTK GNSS Receiver specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eReach RS4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003eRCH401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRole\u003c\/th\u003e\n\u003ctd\u003eBase or rover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGNSS\u003c\/th\u003e\n\u003ctd\u003eAll-band, 672-channel GNSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eReceiver weight\u003c\/th\u003e\n\u003ctd\u003e2.04 lb (927 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eReceiver dimensions\u003c\/th\u003e\n\u003ctd\u003e5.06 × 5.06 × 3.91 in (128.6 × 128.6 × 99.3 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCorrections and communications\u003c\/th\u003e\n\u003ctd\u003eLoRa and UHF transmit\/receive; NTRIP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRTK accuracy\u003c\/th\u003e\n\u003ctd\u003eHorizontal: 0.28 in + 1 ppm (7 mm + 1 ppm); vertical: 0.55 in + 1 ppm (14 mm + 1 ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTilt accuracy\u003c\/th\u003e\n\u003ctd\u003eRTK + 0.079 in + 0.012 in per degree (RTK + 2 mm + 0.3 mm per degree)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated operating time\u003c\/th\u003e\n\u003ctd\u003e16 hours as an RTK rover with tilt compensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInternal battery\u003c\/th\u003e\n\u003ctd\u003e36 Wh lithium-ion, 5,000 mAh at 7.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCharging\u003c\/th\u003e\n\u003ctd\u003eUSB-C Power Delivery, 5\/9\/12\/15 V, 3 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRaw data logging\u003c\/th\u003e\n\u003ctd\u003eRINEX, 16 GB internal storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eIngress protection\u003c\/th\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-40 to 149°F (-40 to 65°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdiv class=\"gd-test-conditions\"\u003e\u003cp\u003eRTK precision requires suitable satellite reception and valid corrections. Obstructions, multipath, correction quality and baseline distance affect results. Tilt adds the stated error term to RTK accuracy. Rated endurance varies with radio use, temperature and operating configuration. Follow Emlid’s care instructions for the receiver’s ingress-protection rating.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePackage details\u003c\/h2\u003e\u003cdetails open\u003e\u003csummary\u003eWhat’s included?\u003c\/summary\u003e\u003cul\u003e\n\u003cli\u003eReach RS4 receiver × 1\u003c\/li\u003e\n\u003cli\u003eCarrying case × 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C cable × 1\u003c\/li\u003e\n\u003cli\u003eLoRa antenna, 860–930 MHz × 1\u003c\/li\u003e\n\u003cli\u003eUHF antenna, 410–470 MHz × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurvey pole, tripod, phone or tablet, USB power adapter and cellular data plan are sold separately.\u003c\/strong\u003e\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCompatibility and setup\u003c\/summary\u003e\u003cp\u003eConfigure the receiver with Emlid Flow on a compatible iOS or Android device. RTK requires a compatible local base or network correction source. Match radio settings, correction formats and supported firmware with the other receiver or aircraft controller. Use the appropriate regional radio configuration.\u003c\/p\u003e\n\u003cp\u003eThe basic Emlid Flow app is available without a paid software plan. Correction-network access and advanced software features may require separate service subscriptions.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eSources\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/emlid.com\/reachrs4\/\" target=\"_blank\" rel=\"noopener\"\u003eEmlid product specifications\u003c\/a\u003e · \u003ca href=\"https:\/\/docs.emlid.com\/reachrs4\/specifications\/specs\/\" target=\"_blank\" rel=\"noopener\"\u003eTechnical documentation\u003c\/a\u003e\u003c\/p\u003e","brand":"Emlid","offers":[{"title":"Default Title","offer_id":50790919798849,"sku":"RCH401","price":3899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/3885\/5233\/files\/RS4RENDERS04.643_1200x_ade37b26-d955-42ef-a5f2-c2a1ed98568d.webp?v=1792732780","url":"https:\/\/shop.grodrones.com\/products\/emlid-reach-rs4","provider":"GroDrones","version":"1.0","type":"link"}