Specifications

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M7668BU4
IEEE 802.11a/b/g/n/ac 2T2R USB WIFI Module&BT2.1+EDR/4.2/5.0
3.6.2 EDR Specification
Items Contents
Host Interface USB
Antenna Reference Small antennas with 0~2 dBi peak gain
Channel CH0 to CH78
Modulation
π/4-DQPSK 、8PSK
Min. Typ. Max. Unit
TX Characteristics
1) π/4-DQPSK
2) 8PSK
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
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