channel dwell time and 20dB bandwidth

FCC ID: KBCIX260PROA580BT

Test Report

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FCCID_544222

Model: BT2022 FCC ID: HSW-BT2022M

6.5.3 Channel Dwell Time

Result: For average measurements, the measured level was reduced by a factor 27dB to account for
the duty cycle of the EUT. The EUT transmits three 625uS every 100mS. The period of a single burst is
46.9mS. Therefore the duty cycle is calculated by (3x.625ms)/46.9ms = 3.99%. The duty cycle
correction factor is determined using the formula: 20•log(.0399) = -27dB. See figure 6.5.3-1 and
appendix I for further details.

Figure 6.5.3-1: Channel Dwell Time

6.5.4 20dB Bandwidth

Result: The 20dB bandwidth was found to be less than 1 MHz across all channels as required. Results
are shown below in Table 6.5.4-1 and a plot of the channel with the greatest bandwidth is shown in
Figure 6.5.4-1.

Table 6.5.4-1: 20dB Bandwidth

Frequency 20dB Bandwidth
Channel
(MHz) (kHz)
Low 2402 187.50
Center 2441 192.36
High 2480 188.19

ACS Report: 03-0193-15BC Advanced Compliance Solutions Page 12

Document Created: 2004-10-20 18:12:28
Document Modified: 2004-10-20 18:12:28

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