大井電気 List of Products and Services

The "WT-920" is a handheld testing device compatible with LoRaWAN for the specific low-power 920MHz band intended for the Japanese market. It can perform connection verification tests to existing networks as a LoRaWAN end device and measure the propagation characteristics of specific sections using LoRa modulation with the device alone. It is highly effective for preliminary surveys for network construction and for identifying causes during malfunctions. 【Features】 ■ Connection testing for LoRaWAN networks is possible (LoRaWAN Device Mode) ■ PER (Packet Error Rate) measurement is possible with this device (PER Measurement Mode) ■ RSSI (Received Signal Strength Indicator) can be displayed in a list (Simple Spectrum Analyzer Mode) In Simple Spectrum Analyzer Mode, it also supports SIGFOX and other modulations besides LoRa ■ GPS location information can be recorded along with RSSI measurement results ■ Data can be saved to a memory card with a maximum capacity of 2GB, allowing for the creation of area maps on a PC and checking usage rates by channel *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments
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The "OiNET-923/928B" is a 920MHz long-range wireless communication unit that achieves more than double the communication distance of typical sub-giga (920MHz) radios. By adopting the LoRa method, it enables long-distance communication without the need for relay devices. It is a specific low-power radio station compliant with ARIB STD-T108. Additionally, it supports GFSK modulation, allowing it to handle both high-speed and long-distance communication with a single unit. 【Features】 ■ Communication speed can be changed by adjusting the spreading factor ■ Increasing the spreading factor while decreasing the communication speed improves sensitivity (minimum receiving sensitivity: -132dBm, communication speed: 293bps) ■ Compliant with ARIB STD-T108, it is a specific low-power radio that does not require a license ◎ For more details, please refer to the PDF document or feel free to contact us.

• Architectural Design Software