User's Manual
17
OPENBRAIN Technologies Co., LTD.
Measurement results and Bluetooth specification compliance of modules stored in
temperature and moisture resistant chamber for 2 hours at 85 )℃
RF Operating Check 2 (85℃)
Result
(dBm)
Bluetooth
Spec.(dBm)
Verdict
Output Power
+3.8 -6 to +4 Pass
Sensitivity at 0.1% BER for all packet types
-82.5 ≤-70 Pass
Modulation
Characteristic
s
Channel df1_avg
(kHz)
df2_avg
(kHz)
df2/df1
(%)
Bluetooth
Spec.
Verdict
0 163.8 156.5 95.54 140<df1_avg, df2_avg
<175
0.80<df2/df1(%)
Pass
39 164.9 157.6 96.16 Pass
78 164.9 156.5 95.49 Pass
Initial Carrier Frequency
Tolerance
(ICFT)
Df0_max
(kHz)
Df0_min
(kHz)
Bluetooth
Spec.(kHz)
Verdict
29.8 29.3 ±75 Pass
Carrier
Frequency
Drift(CFD)
Channel f_drift_max
(kHz)
Drift_rate_max
(kHz/50us)
Bluetooth
Spec.(kHz)
Verdict
0 -13.6 6.4 Drift Rate Max
≤20
f drift max≤40
Pass
39 -10.2 -5.7 Pass
78 -15.9 -8.1 Pass
TX Output Spectrum
-20dB Bandwidth
f_h-f_l
Bluetooth
Spec.(MHz)
Verdict
0.914 f_h - f_l <= 1.000MHz Pass