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USR-WIFI232-D2 Hardware Manual

www.usriot.com

Jinan USR IOT Technology Limited

7 / 8

h.usriot.com

2.5. Antenna

USR-WIFI232-D2 adopt externally installed antenna. USR-WIFI232-D2 need connect to the 2.4GHz antenna
that conforms to 802.11b/g/n.The specific parameters of the antenna as the following table:

Frequency

2.4~2.5GHz

Impedance

50 Ohm

VSWR

2 (Max)

Return Loss

-10dB (Max)

Connector

I-PEX or populate directly

Figure 6 Antenna standards

Содержание USR-WIFI232-D2

Страница 1: ...USR WIFI232 D2 Hardware Manual www usriot com Jinan USR IOT Technology Limited 1 8 h usriot com USR WIFI232 D2 Hardware Manual File version 1 0 12 01 ...

Страница 2: ...riot com Content USR WIFI232 D2 Hardware Manual 1 1 Product Overview 3 1 1 Dimension 3 1 2 Pin Definition 3 2 Hardware Design 5 2 1 Typical Connection 5 2 2 Power Interface 5 2 3 UART Interface 6 2 4 10 100M Ethernet Interface 6 2 5 Antenna 7 3 Contact 8 4 Disclaimer 8 5 Update History 8 ...

Страница 3: ...WIFI232 D2 Hardware Manual www usriot com Jinan USR IOT Technology Limited 3 8 h usriot com 1 Product Overview 1 1 Dimension Module dimension diagram as follow Figure 1 Dimension diagram 1 2 Pin Definition ...

Страница 4: ... I GPIO9 I O 10 RESET I Reset the module take effect in low level Press over 300ms and release to reset the module 11 1 8V O 1 8V 300mA used for Ethernet 12 GND P Power ground 13 14 3 3V P 3 3V 350mA VCC 15 GND P Power ground 16 nLink O WIFI connected output 0 otherwise output 1 Can be set as GPIO GPIO16 I O 17 nReady O Module starting normally output 0 otherwise output 1 Can be set as GPIO GPIO17...

Страница 5: ...w level when module connect to AP or has STA device connect to module in AP mode nLink pin connect to internal 4 7K Ohm pull up resistor to 3 3V 4 nReload nReload pin can connect to external button or configuration pin Press over 3s to restore default settings nReload pin should connect to external 4 7k 10k Ohm pull up resistor 2 2 Power Interface USR WIFI232 D2 adopt single voltage 3 3 V power su...

Страница 6: ...e includes TXD RXD RTS CTS Take the RS 232 level as a reference circuit diagram as follow Figure 4 UART interface 2 4 10 100M Ethernet Interface USR WIFI232 D2 provide two 10 100M Ethernet Interfaces and support Ethernet Interface with transformer design Put Ethernet transformer and RJ45 connector on user board is a standard 10 100M Ethernet Interface Reference circuit diagram as follow Figure 5 1...

Страница 7: ...I232 D2 adopt externally installed antenna USR WIFI232 D2 need connect to the 2 4GHz antenna that conforms to 802 11b g n The specific parameters of the antenna as the following table Frequency 2 4 2 5GHz Impedance 50 Ohm VSWR 2 Max Return Loss 10dB Max Connector I PEX or populate directly Figure 6 Antenna standards ...

Страница 8: ...n of USR WIFI232 D2 products it hasn t been granted any intellectual property license by forbidding speak or other ways either explicitly or implicitly Except the duty declared in sales terms and conditions we don t take any other responsibilities We don t warrant the products sales and use explicitly or implicitly including particular purpose merchant ability and marketability the tort liability ...

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