User's Manual
18
OPENBRAIN Technologies Co., LTD.
Measurement results and Bluetooth specification compliance of modules stored in
temperature and moisture resistant chamber for 2 hours at 20 )℃
RF Operating Check 3 (20℃)
Result
(dBm)
Bluetooth
Spec.(dBm)
Verdict
Output Power
+2.54 -6 to +4 Pass
Sensitivity at 0.1% BER for all packet types
-84.5 ≤-70 Pass
Modulation
Characteristic
s
Channel df1_avg
(kHz)
df2_avg
(kHz)
df2/df1
(%)
Bluetooth
Spec.
Verdict
0 164.3 160.1 97.44 140<df1_avg, df2_avg
<175
0.80<df2/df1(%)
Pass
39 164.6 159.9 97.14 Pass
78 164.7 159.4 96.78 Pass
Initial Carrier Frequency
Tolerance
(ICFT)
Df0_max
(kHz)
Df0_min
(kHz)
Bluetooth
Spec.(kHz)
Verdict
13.3 11.5 ±75 Pass
Carrier
Frequency
Drift(CFD)
Channel f_drift_max
(kHz)
Drift_rate_max
(kHz/50us)
Bluetooth
Spec.(kHz)
Verdict
0 8.4 -5.4 Drift Rate Max
≤20
f drift max≤40
Pass
39 6.9 -6.4 Pass
78 7.0 6.5 Pass
TX Output Spectrum
-20dB Bandwidth
f_h-f_l
Bluetooth
Spec.(MHz)
Verdict
0.914 f_h - f_l <= 1.000MHz Pass