Antenna Spec

FCC ID: ZHK-HS00021TX

Cover Letter(s)

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            HDT675 Antenna Specification

            1. Dimension:
               (1) Tx Dongle(Printed antenna)




               (2) Rx Headset ANT1(Printed antenna)




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               (3) Rx Headset ANT1(Metal antenna)




            2. Peak gain
               (1) Tx Dongle(With Samsung S9)
            Frequency (MHz)              2400       2420   2440    2450    2480   2500
            Peak EIRP (dBm)              3.44       3.95   4.08    4.05    3.86   3.52
            Directivity (dBi)            7.38       7.64   7.76    7.85    7.84   7.76
            Gain (dBi)                   3.44       3.95   4.08    4.05    3.86   3.52


               (2) Rx Headset ANT1(With Human Head)
            Frequency (MHz)              2400    2420      2440    2450    2480   2500
            Peak EIRP (dBm)              0.09    0.54      0.92    1.01    1.38   1.58
            Directivity (dBi)            5.00    5.08      5.22    5.29    5.38   5.38
            Gain (dBi)                   0.09    0.54      0.92    1.01    1.38   1.58


               (3) Rx Headset ANT2(With Human Head)
            Frequency (MHz)              2400    2420      2440    2450    2480   2500
            Peak EIRP (dBm)              -0.92   -0.54     -0.11   -0.07   0.20   0.48
            Directivity (dBi)             6.36    6.52      6.80    6.87   6.97   7.08
            Gain (dBi)                   -0.92   -0.54     -0.11   -0.07   0.20   0.48




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            3. Antenna 3D radiation pattern
               (1) Tx Dongle(With Samsung S9)




               (2) Rx Headset ANT1(With Human Head)




               (3) Rx Headset ANT2(With Human Head)




            4. Antenna Feeding and Ground Points
               (1) Tx Dongle




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                (2) Rx Headset




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Document Created: 2019-05-21 11:36:01
Document Modified: 2019-05-21 11:36:01

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