カワミツ List of Products and Services

The "AirCheck G2" is a portable wireless network tester that supports 802.11ac. It equips technicians with clear insights into wireless networks that help reduce costly escalations. Using this product allows for quick, easy, and accurate troubleshooting and problem isolation, enabling rapid resolution of wireless issues. 【Features】 ■ Performance testing using iPerf ■ Supports connection testing on networks with captive portal functionality ■ Identifies sources of interference other than surrounding Wi-Fi ■ Compatible with Wi-Fi technologies (802.11a/b/g/n/ac) (ax is supported for detection only) ■ Detects network configuration and reception range issues *For more details, please refer to the PDF materials or feel free to contact us.

The "EtherScope nXG" is an all-in-one handheld network tester with integrated technology. It enables faster deployment, verification, maintenance, and documentation of constantly changing Wi-Fi and wired networks. Despite its simple operation, it offers detailed visibility, and with remote access and control features, engineers can collaborate with field technicians at remote sites to facilitate problem-solving without having to move. 【Features】 ■ Addresses new network-compatible testing, verification, and troubleshooting with advanced Android-based dedicated hardware and proprietary software. ■ Verifies the status and performance of critical servers with up to 10G Ethernet, major end devices, and Wi-Fi networks. ■ Seamlessly integrates and manages field test data, and integrates with network management systems through the free Link-Live cloud service. *For more details, please refer to the PDF document or feel free to contact us.

The Rakkas Wireless Smart Wi-Fi system enables extensive coverage and stable communication through its patented "BeamFlex" technology. With high resistance to interference and features that avoid interference, it maintains throughput even in environments with heavy interference, making it suitable for building Wi-Fi services for users in commercial facilities and hotels, as well as providing hotspots in public facilities such as schools. Additionally, the coverage per access point is wide, allowing for a good connection environment with fewer units, which helps to reduce overall costs. 【Features】 ■ Patented "BeamFlex" technology ■ Maintains throughput even in environments with heavy interference ■ Achieves a good connection environment with fewer units ■ White square design ■ Not limited by scale or industry *For more details, please refer to the PDF materials or feel free to contact us.

This catalog introduces the network equipment products "Comunio" manufactured by Daiden Corporation. It features a wide range of products, including "media converters," "wavelength multiplexing compatible products," "optical modules," and "line switching application products." Please make use of this for selecting products. [Contents (excerpt)] ■ Examples of media converter product applications ■ Explanation of display icons and product list ■ News topics ■ Company overview and share ■ Manufacturing and quality control system *For more details, please refer to the PDF document or feel free to contact us.

At Kawamitsu, we provide repair and calibration services for optical communication equipment, maintenance equipment, and measuring instruments. In particular, we focus on receiving orders for optical fusion splicers, optical communication-related equipment, and various measuring instruments, and we are also concentrating on mobile communication devices. For information on manufacturers/models that can be calibrated and those that can be repaired, please consult us separately. In the PDF download below, you can view the repair request form for optical equipment and the calibration request form for optical measuring instruments. 【Examples of Measuring Instruments Subject to Calibration】 ■ Optical communication measuring instruments ■ Digital communication devices ■ Power supply-related equipment ■ Recording devices ■ Pressure gauges ■ Environmental measuring instruments *For more details, please refer to the PDF materials or feel free to contact us.

The "Sidekick" is a Wi-Fi measurement device that significantly streamlines the site survey process by replacing the USB hub previously used with the Sidekick, providing excellent reliability, accuracy, and convenience. The ultra-high-resolution spectrum analyzer offers unexpected clarity in the Wi-Fi spectrum, and the spectrum analyzer operates simultaneously in both the 2.4GHz and 5GHz bands, with both at 20 sweeps per second. Additionally, the enterprise-grade dual-band Wi-Fi adapter minimizes the time spent on Wi-Fi site surveys and troubleshooting. 【Features】 ■ Designed for versatile wear ■ Includes a messenger-style strap ■ Enables professional Wi-Fi site surveys on both macOS and Windows ■ Can connect camera mounting devices, such as belt clips, to standard camera mounting screws *For more details, please refer to the PDF materials or feel free to contact us.

"Site Survey Ver 8.6.2" is a product that can automatically determine the optimal number and location of access points before they are actually installed. It conducts active or passive indoor site surveys, as well as outdoor site surveys using GPS, to verify coverage and performance. It visually displays network coverage, capacity, and performance, allowing for fine-tuning and simulation of changes to the network or environment. 【Features】 ■ Solves various Wi-Fi-related issues ■ Generates reports on Wi-Fi coverage and performance ■ Supported Wi-Fi technologies: 802.11ac network planning and site surveys, as well as 802.11a/b/g/n ■ By importing drawings onto the machine and setting up access points, it simulates and displays various information such as signal reach on a heatmap. *For more details, please refer to the PDF materials or feel free to contact us.

"Site Survey" is a toolkit that includes everything necessary for the design, analysis, optimization, and troubleshooting of Wi-Fi networks. Based on customer requirements, it accurately designs high-capacity Wi-Fi networks. It can create a complete 3D model of the layout, taking into account wall materials, floor materials, antenna orientation and tilt angles, and many other factors. It operates on both MacOS and Windows, making it effectively used as a tool for network engineers in companies of various sizes. 【Features】 ■ Shows the placement and configuration of access points ■ Conducts a single site survey, collecting all data including active survey, passive survey, and spectrum survey information, with no pre-configuration required ■ Analyzes the collected data using one of 15 heatmaps to quickly assess the performance of the Wi-Fi network *For more details, please refer to the PDF document or feel free to contact us.

"Ekahau Site Survey 9.0" is a product equipped with an easy-to-use, comprehensive Wi-Fi tool. While it was not possible to mix high-capacity and low-capacity areas within a single project, this product allows for the definition of multiple different types of high-capacity areas, such as auditoriums and classrooms. Additionally, the number of configured devices is evenly divided between laptops and smartphones. [Features] ■ Airtime display provides detailed capacity analysis, showing what is happening in "RF" during setup ■ Ekahau Auto-Planner prevents access point overcrowding ■ Avoid placing APs in hallways (as much as possible), elevator shafts, and other locations *For more details, please refer to the PDF materials or feel free to contact us.

Our company provides the troubleshooting tool RTFM (Real Time Frequency Monitor) for Ekahau Site Survey. This product supports analysis in the channel table (channel TAB selection) and the analysis of strong interference/low signal-to-noise ratio. Using the ESS spectrum analyzer function, you can identify Wi-Fi interference issues. 【Overview】 ■ Real Time Frequency Monitor ■ Real Time Frequency Monitor Operation ■ Display of Signal and Spectrum Density Status ■ Radio and Channel Table ■ Analysis in the Channel Table (Channel TAB selection) ■ Analysis of Strong Interference/Low Signal-to-Noise Ratio *For more details, please refer to the PDF document or feel free to contact us.

This document introduces EKAHAU's SITE SURVEY. It includes drawing "halls" on the floor, designing Wi-Fi networks for multi-floor buildings, and adjusting the map zoom level of CAD files. Please take a moment to read it. 【Contents (excerpt)】 ■ Drawing "halls" on the floor ■ Manually drawing walls ■ Environmental modeling tools ■ Opening "halls" on the floor ■ Designing Wi-Fi networks for multi-floor buildings *For more details, please refer to the PDF document or feel free to contact us.

This document introduces wireless LAN standards. It covers topics such as the frequency bands of wireless LAN, 802.11n [2.4GHz band/5GHz band], and explains what "radio interference" is and what happens due to "radio interference." Please take a moment to read it. [Contents (excerpt)] ■ Frequency bands of wireless LAN ■ Frequency bands and 802.11 standards ■ 802.11b/g/n [2.4GHz band] ■ ISM band (Industry Science Medical) ■ 802.11a/n/ac/ [5GHz band] *For more details, please refer to the PDF document or feel free to contact us.

The "Gigabit Tester EX1" is an indoor tester manufactured by EXFO in Canada, equipped with Wi-Fi measurement capabilities. It also supports GPON. With a single device, it can conduct speed tests for wired LAN, optical fiber, and Wi-Fi, making it effective for indoor installation tests. Test results can be output in PDF or CSV files, allowing for Wi-Fi quality certification. 【Features】 ■ Measures the speed of wired LAN and optical fiber ■ Capable of checking Wi-Fi channels at 2.4GHz/5GHz ■ Supports SFP/GPON (ITU-T G.984.x) ■ Can test 1G Ethernet speed at full wire rate (including latency, download/upload speed tests) ■ Effective for indoor installation tests *For more details, please refer to the PDF materials or feel free to contact us.

The "GM200" is a compact, lightweight (3kg), and highly accurate grandmaster clock manufactured by Trimble in the United States, compatible with IEEE1588 PTP. It is equipped with various functions, including a free-running (FR) mode. Ethernet routing is possible, making it easy to install in both indoor facilities and outdoor locations. One unit can accommodate both AC and DC power supply conditions at various installation locations. 【Features】 ■ Excellent workability - Ethernet routing is possible, making it easy to install in indoor facilities and outdoor locations. ■ Equipped with various functions - Free-running (FR) mode (time synchronization without GPS connection) and more. ■ One unit can accommodate both AC and DC power supply conditions at various installation locations. *For more details, please refer to the PDF document or feel free to contact us.

The "60333-50" is a GPS reference frequency generator clock unit manufactured by Trimble in the United States, which continues to output accurate time even when GNSS signals are unavailable. It is composed of a GNSS receiver and provides high-precision time information comparable to that of expensive atomic frequency standards. It offers a variety of performance options, suitable for phase noise, size, cost, and applications. 【Features】 ■ Stable output of 10MHz and 1PPS using a double-oven crystal oscillator (DOCXO) ■ Combination of a double-oven crystal oscillator, GPS receiver, and control circuit on a single control board ■ Holdover specification: 8 microseconds (24 hours) ■ Storage temperature: -40℃ to +85℃ *For more details, please refer to the PDF document or feel free to contact us.

The "WX-500" is a wire expert manufactured by the German company Softing. An essential tool for LAN cable installation. It is capable of cable certification measurements up to Cat6A, and with an upgrade, it can also perform single-mode/multi-mode fiber optic measurements. 【Features】 ■ Supports cable certification testing - TIA 568-C2: Cat3, 5e, 6, 6A - ISO/IEC 11801, EN50173 Class D, E, EA - JIS X5150: 2016 - Patch cords *For more details, please refer to the PDF document or feel free to contact us.

We handle the Anritsu cable and antenna analyzer 'S331E Site Master'. Using the Site Master, you can measure return loss and VSWR to confirm compliance with the standard values of the antenna system. Additionally, you can turn on the built-in bias tee as needed to output +12 V to +32 V to the RF center conductor of the port, eliminating the need to bring an external power supply to the site. 【Features】 ■ Measurement items: Return loss, cable loss, DTF, phase ■ 2-port transmission measurement: High/Low output ■ Sweep speed: 1 ms per data point (representative value) ■ Display: Single and dual measurement touch screen ■ Calibration: OSL, InstaCal, FlexCal ■ Bias tee: 32V internal *For more details, please refer to the PDF materials or feel free to contact us.

The "DSX-5000" is a cable analyzer manufactured by Fluke Networks. Thanks to its modular design, Versiv supports certification testing of copper cables, fiber optic loss measurement, OTDR testing, and Wi-Fi analysis. The Taptive user interface simplifies setup and eliminates errors, while graphically displaying the causes of issues such as crosstalk, return loss, and shield faults to expedite troubleshooting. 【Features】 ■ Supports certification testing of copper cables, fiber optic loss measurement, OTDR testing, and Wi-Fi analysis ■ Delivers excellent speed for Cat 6A, Class FA, and all current standards ■ Verified by ETL for compliance with strict accuracy requirements of IEC Level V ■ Built-in alien crosstalk testing capability ■ Supported by global wiring installation-related vendors *For more details, please refer to the PDF materials or feel free to contact us.

The "DSX-8000" is a cable analyzer that provides permanent links and channel adapters covering the entire 2GHz bandwidth. It enables certification in the field from TIA Cat5 to Cat8, as well as ISO/IEC Class C to Class FA and Class I/II. Additionally, it meets all the requirements of the Category 8 (Cat8) field testing standards specified for data center applications that require transmission standards of 25/40Gb/s (application standards). 【Features】 ■ Fastest class testing speed ■ Full compliance with Cat 8 ■ Optional testing for critical resistance imbalance to ensure the operation of advanced PoE systems ■ Equipped with ProjX management functionality for easy operation and efficient wiring certification management *For more details, please refer to the PDF materials or feel free to contact us.

The "LF-965" is a level meter compatible with advanced wideband satellite digital broadcasting (4K/8K broadcasting), satellite digital broadcasting (2K broadcasting), and terrestrial/CATV digital broadcasting in Japan. It can measure levels, BER, MER, C/N, and constellation for conventional satellite, terrestrial, and CATV digital broadcasting, as well as for advanced wideband satellite digital broadcasting. Additionally, it supports a wide frequency range of 10 to 1002 MHz for terrestrial/CATV measurements, allowing for measurements of high frequencies above 770 MHz from CATV upstream signals. 【Features】 ■ Capable of measuring high frequencies above 770 MHz from CATV upstream signals ■ Simultaneous measurement of level, BER, MER (or C/N), and determination of reception status by color ■ Uses a highly visible high-brightness 4-inch color TFT LCD for the display section *For more details, please refer to the PDF document or feel free to contact us.

At Kawamitsu, we offer a "Equipment Rental and Lease Service" where you can borrow the necessary equipment for optical communication devices and railway construction supplies when you need it, and return it afterward. You can use it only when you want, and since all rental fees can be processed as expenses, you can achieve cost reduction. You can use well-maintained products at low cost without the need for inspections or calibrations at any time. 【Benefits of Introduction】 ■ Cost Reduction - You can use it only when you want, and since all rental fees can be processed as expenses, you can achieve cost reduction. ■ New Equipment: With rentals, you can switch to the latest models at any time. ■ Quality Assurance: With well-maintained equipment, there is no hassle of maintenance management. ■ Nationwide Support: If there is stock available at the time of order, same-day shipping is possible (in principle, for applications received by 3 PM). *In the PDF download below, you can view the rental products currently handled by Kawamitsu. If the desired product is not listed, there may be other products available, so please contact us separately.

The "AirCheck G3 Pro" is a cost-effective hardware-based site survey solution for Wi-Fi 6/6E networks. It provides network engineers with complete and accurate information, enabling rapid investigation and verification of Wi-Fi deployments and changes, as well as quick resolution of connectivity and performance issues or trouble tickets. While it is a powerful tool suitable for wireless engineers, it is also user-friendly for technicians and remote "smart hands," enhancing the productivity of the entire team. 【Features】 ■ Supports WiFi 6/6E (2.4/5/6GHz) and Bluetooth/BLE ■ Enables rapid WiFi network testing, verification, troubleshooting, and mapping ■ Allows for faster and easier WiFi and Bluetooth/BLE site surveys with the AirMapper site survey app ■ Quickly locates the physical positions of WiFi access points and clients in the 2.4/5/6GHz bands *For more details, please refer to the PDF document or feel free to contact us.

The "TDR500/3" is a metal cable fault location measurement device that can measure disconnections, mixed lines, grounding, connection points, and branching points from 0.1m to a maximum of 5km using the TDR method (pulse waveform) measurement. It is suitable for locating faults in communication and signal equipment cables, significantly reducing the number of work trips to utility poles. It features a backlit LCD screen and operates on five AA batteries. 【Features】 ■ Handheld type, ideal for outdoor work ■ Easily displays disconnections, mixed lines, and grounding faults with waveforms ■ Equipped with automatic setting mode ■ Minimum resolution of 0.1m ■ Waterproof and dustproof with IP54 rating *For more details, please refer to the PDF document or feel free to contact us.

The "FTE6083-BAL" is an access system compliant with the Ethernet standard IEEE 802.3ah. To improve wiring workability during installation and prevent disconnections after wiring, it has a built-in fiber optic excess length processing section in the housing. Additionally, by using the "FSU6000 series" as the central device, it achieves a data transfer speed of 1Gb/s over the access line. 【Features】 ■ Compliant with the Ethernet standard IEEE 802.3ah ■ Equipped with 2 LAN ports (1G, 100M) ■ Features an optical link compliant with 1000BASE-PX20 ■ Supports PON segment transmission of less than 20km *For more details, please refer to the PDF document or feel free to contact us.