{"product_id":"emlid-reach-rs4-pro","title":"Emlid Reach RS4 Pro RTK GNSS Receiver","description":"\u003cp\u003eBring visual guidance to field surveying. Reach RS4 Pro adds two Full HD cameras to an all-band RTK receiver for AR-assisted stakeout and measuring selected points from captured images.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp class=\"gd-section-lead\"\u003eFor construction layout and sites with difficult access, RS4 Pro combines conventional GNSS measurements with camera-assisted tools in Emlid Flow. Use it as a rover for field collection or as a base, with radio and network correction options for compatible equipment.\u003c\/p\u003e\u003cdiv class=\"gd-editorial-columns\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eSee the point you are staking\u003c\/h3\u003e\n\u003cp\u003eAR stakeout overlays guidance on the camera view. Tilt compensation must be enabled, and compatible software and a fixed RTK solution are required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eCapture points from images\u003c\/h3\u003e\n\u003cp\u003eVisual capture lets you measure selected features from multiple views. Follow Emlid’s capture-distance and overlap guidance; this is not a replacement for every survey method.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eConnect and record\u003c\/h3\u003e\n\u003cp\u003eLoRa, UHF and NTRIP support correction delivery. RINEX logging preserves raw observations for compatible post-processing.\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\u003eDual cameras\u003c\/dt\u003e\n\u003cdd\u003eAR stakeout and visual capture\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 Pro 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 Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003eRCH402\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\u003e2.08 lb (943 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\"\u003eCameras\u003c\/th\u003e\n\u003ctd\u003eTwo Full HD cameras for supported AR stakeout and visual-capture workflows\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 Pro 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\u003eUse current compatible Emlid Flow software on an iOS or Android device. AR stakeout and visual capture require an RTK FIX solution and enabled tilt compensation. A compatible base or network service supplies corrections. Match radio frequencies, protocols and firmware. Advanced Emlid Flow features such as linework, CAD\/DTM tools and stakeout reports require a separate paid plan.\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\/reachrs4pro\/\" 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":50790919962689,"sku":"RCH402","price":4599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/3885\/5233\/files\/RS4RENDERS04.663_1200x_e1f07603-f433-49e7-8654-24297e793566.webp?v=1792732782","url":"https:\/\/shop.grodrones.com\/products\/emlid-reach-rs4-pro","provider":"GroDrones","version":"1.0","type":"link"}