User's Manual

2
Region Selection
Limited by local law regulations, version for North America does not have region selection option.
Label
Host labeling requirement: Contains transmitter module FCC ID:2AJVQ-7638GUCB”.
Host labeling requirement: Contains transmitter module IC:22470-7638GUCB”.
2．Product Information
2.1 Product Information
ZDGF7638GU-CB Wi-Fi USB module is a wireless signal module device work at 2.4GHz(2.400 ~
2.4835GHz) .ZDGF7638GU-CB comply with IEEE 802.11b、802.11 g、802.11 n standard. ZDGF7638GU-CB
support USB 2.0, which has up to 480Mbps data rate. ZDGF7638GU-CB also support Bluetooth specification
2.1+EDR、Bluetooth 4.2 Low Energy and Bluetooth 5.0.
ZDGF7638GU-CB Wi-Fi has 2T2R structure，has two onboard PIFA Antenna. It could provide stable wireless link
with high throughput.
ZDGF7638GU-CB is a wireless signal module. It is widely used to multi-media device, such as smart TV. Equipped
with ZDGF7638GU-CB, a smart TV could access to Wireless Local Network, which is also called WLAN or
WI-FInetwork. ZDGF7638GU-CB helps multi-media device achieve to send & receive data package in a wireless
way.
2.2 Feature
●IEEE standard：IEEE 802.11b/g/n client device
●Bluetooth 5.0
●operating Frequency 2.4GHz
● 2T2R mode
●Support 20MHz, 40MHz band width in 2.4GHz band.
●support USB 2.0 high data rate mode,16-pin goldfinger.
●support WFA/ WPA/WPA2 /WPS2.0/WAPI security.
●RoH
●MAC /baseband/RF： MT7638GU
3. Product Specification
3.1 Parameter
WLAN Standard
IEEE802.11b/g/n
Data Interface
USB2.0
Modulation Mode
WI-FI:
802.11b:CCK, DQPSK, DBPSK