Transmitter frequency∶512HZ. Hikvision DS-7608NI-Q2/8P 8CH 8PoE NVR 4K 8MP H.265 2SATA Network Video Recorder. Transmitter distance: about 5M. 1 Transmitter. Zebra GC420T GC420-100510-000 203DPI Thermal Transfer Desktop Printer USB Port.
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