... 2432,2450,2468,2370,2390,2490,2510MHZ5.8G frequency of each channel: 5705,5865,5665,5645,5885, ... range of TILT axis of head tracker: ± 45° /± 90°B. Built-in 2.4Ghz and 5.8Ghz frequency(Pls ... pay attention to, similar item in ... the current market with only one frequency)> if 2.4Ghz is chosen, the glasses can receive 8channels of ...