Presentation Title
Ian Wu (吳俊儀)
Antenna report
NTT Sonority Inc. MBH001 Wireless on-ear speakers 2A58O-MBH001 2A58OMBH001 mbh001
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Document DEVICE REPORTGetApplicationAttachment.html?id=7414032Shrui RF DVT Antenna report 0229, 2024 Pictures of Antenna placement Chip Antenna Antenna position : place on the PCBA main board. Chip antenna dimension : 3 mm* 1.6 mm Clearance area : 7 mm * 15 mm (1052) Chip antenna 2 Measurement Photo Free space On head 3 S11 Return Loss for BT after tuning BT return loss > 5 dB after tuning Free space On head 4 3 Views of Antenna 5 BT 2D Radiation Patterns in Free space Head Frequency (MHz) 2400 ZS plane Max Value (dB) Average (dB) -0.77 -6.32 ZY plane Max Value (dB) Average (dB) -4.99 -9.63 XY plane Max Value (dB) Average (dB) -0.63 -4.94 2450 -0.04 -6.34 -5.05 -10.51 0.07 -4.90 2500 -2.77 -9.30 -8.39 -13.02 -2.70 -7.41 6 3 Views of Antenna 7 BT 2D Radiation Patterns on Head Head Frequency (MHz) 2400 ZS plane Max Value (dB) Average (dB) -1.47 -8.29 ZY plane Max Value (dB) Average (dB) -8.13 -11.06 XY plane Max Value (dB) Average (dB) -0.97 -6.28 2450 -1.21 -7.85 -7.42 -11.09 -0.73 -5.74 2500 -3.52 -9.98 -9.53 -12.97 -3.65 -8.13 8 Antenna performance summary Antenna Performance Return loss : > 5dB Efficiency : 21% DUT and 16% DUT on head. Peakgain : 0.1~-1.5dBi Return loss (dB) Efficiency(%) Peak gain(dBi) Band 2.4G 2.4G 2.45G 2.48G 2.4G 2.45G 2.48G DVT Free space Head phantom > 5 > 5 > 21.8 > 15.2 > 21.2 > 16.8 > 20.3 > 15.5 < -0.6 < -0.9 < 0.1 < -0.7 < -0.9 < -1.5 9 Customizable Section Heading Example
Related FCC IDs:
- 2A58O-MBH001 - NTT Sonority Inc. Wireless on-ear speakers [-MBH001] 適用於 Microsoft 365 的 Microsoft PowerPoint