2024 Qingming Festival holiday notice
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2024 Qingming Festival holiday notice
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The main upgrade of the SA618 series this time is the audio sampling rate, which has been upgraded from full-duplex 8K sampling rate to full-duplex 16K sampling rate. Using a 16K sampling rate compared to 8K can produce higher fidelity audio files, delivering a superior audio experience. This upgrade also supports OTA (Over-the-Air) updates and wireless multi-level relay MESH networking, allowing users more flexible configuration options.
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UWB650 module, launched by NiceRF, is a wireless communication module based on Ultra Wide Band (UWB) technology and compliant with the IEEE 802.15.4-2020 Standard protocol.Developed from the UWB3000F27, the UWB650 module features a high-power 0.5W amplifier chip. Users do not need to design any circuits.
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The UWB650 module supports UWB Channel 5 (6489.6MHz) and offers air data rates of 8Mbps and 850Kbps. It supports preamble codes 3, 4, 9, 10, 11, and 12; modules with different preamble code configurations cannot communicate with each other, ensuring the system's security and stability. The module supports WUB wireless to TTL, multi-level transmission power adjustment, and can achieve a maximum transmission power of 5W for ultra-long-distance data communication. It utilizes two-way ranging (DS-TW
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The LoRa1121 module utilizes SEMTECH's LR1121 chip, an ultra-low-power, long-range transceiver that supports both global ISM band and 2.4GHz communication. The LoRa1121 supports LoRa and (G)FSK modulation in the sub-GHz and 2.4GHz bands, as well as Sigfox® modulation in the sub-GHz band, and long-range frequency hopping spread spectrum (LR-FHSS) in the sub-GHz, 1.9-2.1GHz, and 2.4GHz ISM bands.
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