{"product_id":"columbus-p-7-pro-submeter-0-5-meter-accuracy-usb-and-bluetooth-gnss-receiver","title":"Columbus P-7 Pro Submeter (0.5 meter accuracy) USB and Bluetooth GNSS Receiver","description":"\u003cp\u003eColumbus P-7 Pro is an easy to use GNSS receiver which achieves submeter (0.5 meter) level of positioning. It can be used either by connecting to an usb port of your computer or connecting to your mobile device by bluetooth. P-7 Pro streams high accuracy positioning data to your GIS\/GPS applications on smartphones, tablets and computers in real time.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/parts_description_en.png?v=1658110663\" alt=\"P-7 pro parts\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e0.5 meter accuracy\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5 Hz update rate\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDual-Frequency(L1 + L5) \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e6 constellations (GPS, GLONASS, Galileo, BeiDuo, QZSS and IRNSS)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuad output interfaces (1 Bluetooth SPP +  1 Bluetooth BLE + 2 USB Serial Devices \/ COM ports)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-platform compatible (Windows, MacOS, Linux, Android, IOS, iPadOS)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eHow accurate is the P-7 Pro?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe P-7 Pro can provide: horizontal direction 0.5m\/CEP(50%); 1.5m\/CEP(95%). It boasts lane-level positioning accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCEP refers to Circular Error Probable. 0.5m\/CEP(50%)* means that the probability of the track points falling within a 0.5m radius is greater than 50%; 1.5m\/CEP(95%)* means that the probability of the track points falling within a 1.5m radius is greater than 95% .\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe P-7 Pro also has high absolute altitude accuracy with an error of only ±15 m*, comparable to the altitude measurement ability of a barometer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Data from testing in ideal open environments\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/dual_cep_p-7Pro.png?v=1689176261\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cb\u003eBetter performance than ever! Let's see how much improvement the P-7 Pro has compared to a Single-frequency GPS receiver! \u003c\/b\u003e \u003c\/h3\u003e\n\u003ch4\u003e1. Low-speed driving track test\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eTest purpose: Record three consecutive times along the same route to evaluate the consistency of the low-speed driving track.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTest time: UTC 2022-05-28 18:54:32 ~ 19:01:53   |   Average speed: 6.9km\/h (4.3mi\/h)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLocation: The external antenna is attached to the top of the vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSurroundings: Houses and trees are densely distributed nearby.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/low_speed_track1.zip?v=1658369270\" target=\"_blank\"\u003e\u003cspan\u003eClick to download the original track file (NMEA format) \u0026gt;\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_test1.png?v=1658111703\" alt=\"P-7 Pro test 1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003ch4\u003e\u003cstrong\u003e2. Low-speed driving track test\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eTest purpose: Record three consecutive times along the same route to evaluate the consistency of the low-speed driving track.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTest time: UTC 2022-05-28 19:05:17 ~ 19:11:24   |   Average speed: 13.5km\/h (8.4 mi\/h)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLocation: The external antenna is attached to the top of the vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSurroundings: Houses and trees are densely distributed nearby.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/low_speed_track2.zip?v=1658369494\" target=\"_blank\"\u003e\u003cspan\u003eClick to download the original track file (NMEA format) \u0026gt;\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_test2.png?v=1658111703\" alt=\"P7 Pro test 2\"\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e\n\u003cb\u003e3. Driving test \u003c\/b\u003e \u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eTest purpose: Drive back and forth on a single-lane road to see if it can distinguish left and right lanes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTest time: UTC 2022-05-28 19:24:27 ~ 19:29:00   |   Average speed: 20.1km\/h (12.5 mi\/h)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLocation: The external antenna is attached to the top of the vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSurroundings: Houses and trees are densely distributed nearby.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P-1-markii-test-lane.zip?v=1658369636\" target=\"_blank\"\u003e\u003cspan\u003eClick to download the original track file (NMEA format) \u0026gt;\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"P-7 Pro test 3\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_test3.png?v=1658111703\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\n\u003cb\u003eWhy can the P-7 Pro be so accurate? \u003c\/b\u003e \u003c\/h3\u003e\n\u003ch4\u003e1. Dual-frequency\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe P-7 Pro, which supports dual-frequency L1+L5, can simultaneously monitor signals on two different frequencies on the same satellite, compare and analyze the data, and correct ionospheric delay to eliminate errors and multipath interference caused by the atmosphere.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe positioning accuracy of the P-7 Pro can reach sub-meters.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_dual_frequency.png?v=1658111703\" alt=\"P-7 Pro dual frequency\"\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e2. \u003cb\u003eMulti-constellation positioning capability\u003c\/b\u003e \u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe P-7 Pro supports multi-constellation in the world: GPS L1 and L5; GLONASS L1; Galileo E1 and E5a; BeiDou B1; QZSS L1 and L5; IRNSS L5.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompared with the Single-constellation GPS positioning system, the GNSS multi-constellation positioning system can ensure rapid and effective positioning at any location in the world, while improving positioning accuracy and reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"P-7 pro multi-constellation\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_multi-constellation.png?v=1658111703\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eHow fast is the update rate? \u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe answer is 5Hz\u003c\/span\u003e\u003cb\u003e.\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003eCompared with the 1Hz update rate, the 5Hz update rate can provide a smoother track, which is suitable for recording high-speed activities such as racing cars.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"P-7 Pro 5Hz update rate\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_update_rate_5Hz.png?v=1658111703\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhat needs a P-7 pro if the smartphone already has built-in GPS?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf using the built-in GPS of your mobile phone or tablet, usually you can have 5 meters accuracy and 1Hz refresh rate. By connecting the P-7 Pro to your smartphone or tablet,  you can achieve up to 0.5 meters accuracy and 5Hz refresh rate. 10 times better positioning accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"P-7 Pro vs smartphone\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_VS_phone.png?v=1658111703\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhich OS P-7 Pro is compatible with?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe P-7 Pro has excellent multi-platform compatibility and is compatible with all most common operating systems. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"P-7 Pro OS compatible\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_multi-OS.png?v=1658111703\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003e(Attention for those who use IOS or iPadOS devices. Please make sure your app is in our \u003ca href=\"https:\/\/cbgps.com\/p7\/support_en.htm\" rel=\"noopener\" target=\"_blank\"\u003ep-7 Pro compatible app list\u003c\/a\u003e. If not, please do NOT buy.  P-7 Pro is not going to work with your IOS device.) \u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eHow many devices can concurrently connect to P-7 pro?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eP-7 Pro supports Quad output interfaces.  (1 Bluetooth SPP +  1 Bluetooth BLE + 2 USB Serial Devices \/ COM ports). If utilizing all 4 interfaces, 4 devices can concurrently connect to a P-7 pro.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor example: When connecting one device by Bluetooth SPP and connecting another device  by USB\/ Com port, both devices can simultaneously receive GNSS data from the P-7 Pro.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is so convenience when using a P-7 pro for multiple purposes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"P-7 Pro multi-connection\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_connections.png?v=1658111703\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhat Bluetooth does the P-7 pro support?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe P-7 Pro has built-in dual-mode Bluetooth, which supports BLE 5.1 and SPP 2.1.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe reliable range is more than 20 meters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"P-7 pro bluetooth SPP and BLE\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_Bluetooth.png?v=1658111703\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eIf connecting by USB port, how many com ports are available?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhen plug-in to a computer, P-7 Pro can be recognized as 2 serial \/ com ports. Both ports are independent, which means two programs can share a single P-7 pro without using a GPS proxy program. You got two GNSS receivers for the price of one.\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/dual_comport.png?v=1658112518\" alt=\"P-7 pro dual com ports\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cb\u003eWhat is the dual-frequency active antenna and how to properly place it?\u003c\/b\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAs a professional GNSS receiver, P-7 Pro comes with an external dual-frequency active antenna. The antenna can boost the reception of the satellite signal, resulting in more accuracy data output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe antenna has a magnetic base that allows you to freely attach the antenna to the top of surveying poles, vehicle roofs and masts etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe external active antenna adopts a waterproof design, and the protection level is IP66, which can be used in all-weather conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe track accuracy of the P-7 Pro is significantly affected by the placement. According to the scene, we recommend the following placement:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"P-7 Pro placement\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_Placement.png?v=1658111703\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specs\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSize and Weight:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"p-7 pro size and weight\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/P7pro_Size_and_weight.png?v=1658111703\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIngress Protection*:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExternal Active Antenna IP66\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e* The external active antenna can work normally in all-weather environments. The main unit of the P-7 Pro is not waterproof.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOperating Temperature:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e-20°C to 50°C \/ -4°F to 122°F\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eGNSS Performance:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1575.42Mhz (L1, C\/A code)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1176.45Mhz (L5)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGPS (L1+L5), GLONASS(L1), Galileo (E1+E5a), QZSS (L1+L5), BeiDou(B1), IRNSS (L5), SBAS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePositioning Ability*:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCold start: \u0026lt;34 seconds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReacquisition : \u0026lt;2 seconds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHorizontal position accuracy: 0.5m\/CEP(50%), 1.5m\/CEP(95%)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVertical position accuracy: ±15m\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e* Support \"EPS Pro\" technology. 1Hz mode. Data from testing in ideal open environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOutput Sentences:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProtocol: NMEA 0183\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBaud Rate (Default): 57,600bps\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMessages: GNRMC, GNGGA, GNGSV, GNGSA (Default); GNGLL, GNVTG (Optional)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGeodesics: WGS84\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUpdate Rate:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e1Hz (Default), 5Hz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBluetooth:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSPP 2.1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBLE 5.1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRange: \u0026gt;20m (65 feet)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eConnectors: \u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUSB device: USB 2.0 Type-A\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExternal Active Antenna connectors: SMA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAntenna feeder: 300cm \/ 9.8feet\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower: \u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eP-7 Pro: DC 5V \/ 100mA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExternal active antenna: DC 3.3V \/ 20mA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOS support: \u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eWindows XP or greater\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMac OS X v10.9 or greater\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLinux 2.6.12 or greater\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eiOS 9.3 or greater\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAndroid 7.0 or greater\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eiPad OS 13 or greater\u003c\/span\u003e\u003c\/p\u003e","brand":"Columbus","offers":[{"title":"Default Title","offer_id":45767205486822,"sku":"","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/5831\/0630\/files\/ColumbusGPSP7proa.png?v=1741748723","url":"https:\/\/gnssdatalogger.com\/products\/columbus-p-7-pro-submeter-0-5-meter-accuracy-usb-and-bluetooth-gnss-receiver","provider":"Columbus GPS","version":"1.0","type":"link"}