User's Manual

WF-U21DS-
SSA1
IEEE 802.11a/b/g/n/ac 2T2R SDIO WIFI Module
&BT2.1+EDR/4.2/5.1
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3.6.2 EDR Specification
Items
Contents
Host Interface
SDIO
Antenna Reference
Small antennas with 0~2 dBi peak gain
Channel
CH0 to CH78
Modulation
π/4-DQPSK
ǃ
8PSK
Min.
Typ.
Max.
Unit
TX Characteristics
1.Relative Transmit Power
1) π/4-DQPSK
-1.5
dBm
2) 8PSK
-1.5
dBm
2. Frequency Stability
kHz
1) Omega-i
+/-4
kHz
2) Omega-0
+/-4
-
kHz
3) Omega-0 + Omega-i
+/-4
3. Modulation Accuracy
1) RMS DEVM
π/4-DQPSK
+/-9
%
8PSK
+/-9
%
2) Peak DEVM
π/4-DQPSK
+/-28
%
8PSK
+/-21
%
3) 99% DEVM
π/4-DQPSK
+/-15
%
8PSK
+/-12
%
RX Characteristics
1. Receiver Sensitivity (BER<0.01%)
1) π/4-DQPSK
-91
dBm
2) 8PSK
-85
dBm
2. Maximum usable signal (BER<0.1%)
1) π/4-DQPSK
-5
dBm
2) 8PSK
-5
dBm