Specifications

4. Module performance parameters
The main chip
MTK7638GUN
Working frequency 2.400~2.4835GHz
WiFi standard 802.11 b/g/n (2T2R)
BT standard Bluetooth2.1+EDR/4.2/5.0+BLE
Modulation mode
11b:
DBPSK, DQPSK and CCK and DSSS
11g: BPSK, QPSK, 16QAM, 64QAM and OFDM
11n: MCS0~15 OFDM
Data rate
11b1, 2, 5.5 and 11Mbps
11g6, 9, 12, 18, 24, 36, 48 and 54 Mbps
11nMCS0~15, up to 300Mbps
Output connector
specifications
On_board
Interface data
standards
USB 2.0
PCB data Layer 2 row board design
PCB size 27*33*1mm
Working
temperature
0 to +60
Storage
temperature
-40 to +85
Working voltage 3.3V +/-10%
5. Definition module output connector feet
Pin # Name Description
1 BT-WAKE BT WAKE HOST
2 WOW WIFI WAKE HOST
3 GND GND
4 GND GND
5 D+ USB Data DP
6 D- USB Data DN
7 VCC 3.3V DC Power supply input
8 EN Enable the module