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Amazon.com: Speed Stacks | G5 Stackmat (Timer and Mat) | Accuracy to 0.001 seconds, batteries included | Endorsed by Sport Stacking and Cubing associations : Toys & Games
8SMS Inc - RFID Race Timing has perfected the manufacture of new antenna mats that have been in use now since early 2015. The 4th Generation mats boast even better antenna sensitivity
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RFID Timing Floor Mat Antenna for Sport Running - China Race Timing Mat and Timing Mats price | Made-in-China.com
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complete running event chip timing systems incorportate hardware and software with floor mat antenna 4/8ports
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