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Logitech Design Collection Limited Edition Wireless Mouse - Optical - Wireless - Radio Frequency - 2.40 GHz - USB - 1000 dpi - Scroll Wheel - 3 ButtonOffice Depot$24.54
RK560 Mini Radio Frequency Counter Meter,50MHz-2.4GHz Radio Frequency Counter with CTCSS/DCS Decoder,Portable Handheld Frequency Counter Meter,1K / 0.1K.Amazon$13.99
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