In order to meet the demand for single-frequency and dual-frequency high-precision positioning modules in the field of Internet of Things, SKYLAB has developed and launched a variety of cm-level high-precision positioning modules in order to better help engineers to complete the selection of high-precision positioning modules for application scenarios such as autopilot, security/UAVs, and consumer electronics, etc. Comparison of single-frequency/dual-frequency high-precision RTK positioning modules from SKYLAB is introduced.
Single-frequency RTK high-precision positioning module SKG12UR/SKG12XR
SKG12UR/SKG12XR
SKG12UR simultaneously supports integrated single-frequency algorithm BDS, GPS with the national BeiDou augmented network of high-precision positioning services, dual-star system can achieve real-time sub-meter positioning accuracy.
SKG12XR is a BDS/GPS can simultaneously support dual-system cm navigation and positioning module BDS B1, GPS L1 Built-in two-frequency RTK algorithms, with high sensitivity, anti-jamming, high performance and other characteristics.
About SKG12UR and SKG12XR especially want to point out the similarities and differences SKG12UR SDK algorithm is integrated in the customer platform, there are certain requirements for the customer platform SKG12XR SDK algorithm is integrated in the module, the requirements of the customer platform is to support the Internet. So, are doing so SKG12UR and SKG12XR selection, to evaluate their own platform.
Dual-frequency high-precision positioning module SKG123L
SKG123 parameters
SKG123L The module is a high-performance, multi-system dual-frequency navigation and positioning module GPS, BeiDou, GLONASS, Galileo, QZSS Up to 75 satellite receiver module L1 satellite as well as 60 L Cold start time of 28 satellite s, -165dBm tracking sensitivity so that it is in the open skyline in the positioning accuracy of the CEP50: ＜ 1.7m .
Support industry standard PPS timing, accuracy up to ±15ns, PPS and NMEA module can support antenna feed, need external antenna detection circuit.
Notes:There are several versions of this series modules, you can choose the standard high precision version, RTK high precision version, IRNSS version according to your needs.
SKG123L is the classic 16 * 12 package patch positioning module support output RTCM3.2 protocol support specific version output raw observations, customers can analyze their own RTK to obtain centimeter-level positioning accuracy superiority advantage has become the first choice for outdoor high-precision positioning * 12 package positioning module. Excellent performance, can provide high sensitivity, high precision, low-cost positioning, navigation and other solutions for the manufacture of automotive, portable handheld and other positioning terminal products to meet the strict professional positioning requirements and personal consumption needs.
The same points of single-frequency/dual-frequency high-precision RTK positioning module
The package size is the same; SKG12UR, SKG12XR and SKG123L are all 16mm×12mmD surface package size is compact, high integration, compatible with the international mainstream navigation and positioning modules in the market, support standard pick and place and reflow soldering.
Single-frequency/dual-frequency high-precision RTK positioning module differences
Whether it is a standard high-precision positioning module or a different chip program; RTK chip also directly determines the high-precision positioning module to support the frequency band and positioning performance.SKG12UR and SKG12XR built-in RTK algorithm single-frequency Beidou positioning chip, SKG123L is the choice of AG3335 program L1 L5 dual-frequency Beidou positioning chip;
Different frequency bands; SKG12UR/SKG12XR for GPS L1C/A, GLONASS L1OF, BDS B to 1 band-based, dual-frequency high-precision positioning module SKG123L support for L1 L5 dual-frequency bands, the L1 band supports GPS L1 CA, QZSS L1 CA, SBAS L1, QZSS L1 SAIF, Galileo E1 ( E1B E1C), GLONASS L1 OF, BeiDou B1l, L5 band supports GPS L5, QZSS L5, Galileo E5a, BeiDou B2a;
RTK/RTCM protocol is different; SKG12UR, SKG12XR for RTK built-in algorithm of differential positioning, need to access the sub-meter high-precision location service data of QZSS step-by-step, and then solve the RTK position of 20-25cm; SKG123L support the output of RTCM3.3 protocol to support the output of a specific version of the original observations, customers can analyze the RTK by themselves.
Ltd. specializes in high-precision GNSS modules and wireless communication products, technology development and application promotion service providers, relying on the wireless communication technology in the field of research and development and promotion of experience, JUNODA set up a team with a wealth of experience in hardware and software development technology, aimed at domestic and foreign OEM / ODM customers and system integrators to provide high-quality, high-performance wireless module and application We aim to provide high-quality, high-performance wireless modules and application programs to OEM/ODM customers and system integrators at home and abroad, and create long-term value for customers!
The company mainly provides integrated antenna module, dual-frequency high-precision module, single-frequency high-precision module, thousand-seeking high-precision module, Zhongke micro-positioning module, U-BLOX positioning module, SICOM communication module, inertial navigation DR module, UWM GNSS module, RTK differential module, 4G communication module and high-precision antenna, etc., the products are sold well in Beijing, Shanghai, Shenzhen, Guangdong, Jiangsu, Zhejiang, Sichuan, Hunan and other parts of the country. Our GNSS modules are widely used in many application fields, such as drones, vehicle security monitoring and scheduling, automatic bus stop announcement, DVR, car DVD navigation, GPS electronic dog, synchronized timing, high-altitude balloon monitoring, engineering machinery, industrial automation, etc. In the field of wireless communication products, our company is closely involved in the development and production of wireless communication products, such as RTK differential modules, 4G communication modules and high-precision antennas.
In the field of wireless communication products, the company follows the latest development of international communication technology, introduces and acts as an agent for wireless communication modules that meet the market demand, and the products have a comprehensive layout from 2G, 3G, 4G, and are widely used in financial electronic payment, vehicle remote control, remote advertising information, repeater monitoring, mobile Internet terminals, smart home, remote medical care, network testing, enterprise information management, anti-theft alarm, Remote video transmission, intelligent meter reading, mobile computing, network navigation, voice phone, wireless gateway and other fields. Focus areas include video surveillance, network optimization, routers, POS and other M2M industry applications.
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