Hon Hai Precision Industry Co., Ltd.

Tencent Technology (shenzhen) Company Limited

Fu Tai Hua Industry (shenzhen) Co., Ltd.

Hao He

Shengpeng Chen

Chao Guo

Huaxiao Liu

A system is provided for supporting cash currency exchange. The system included a server, a first client requesting cash-currency-exchange service, and at least one second client providing the cash-currency-exchange service. The first client sends an exchange-service request of cash currency to the server. The server receives the exchange-service request, obtains the at least one second client, and pushes an exchange-service item corresponding to the exchange-service request to the at least one second client. The second client receives the exchange-service item, and sends a confirmation response to the server. The server pushes information about the at least one second client sending the confirmation response to the first client; and the first client displays the obtained information about the second client, determines a second client as a target client, and triggers an eWallet of the first client to transfer a specified amount to an eWallet of the target client.

System, method, and apparatus for supporting cash currency exchange

A wireless signal interference reduction device includes a digital signal converter, an output device, a first adjustable resistor, and a second adjustable resistor. The wireless signal interference reduction device records an initial SNR value, records an SNR value of wireless reception in real-time at a preset interval when wired data transmission is turned on, determines whether a difference between the initial SNR value and the real-time SNR value is less than a preset value, continuously obtains the real-time SNR value at the preset interval to obtain the difference between the initial SNR value and the real-time SNR value if the difference between the initial SNR value and the real-time SNR value is less than the preset value, and reduces the wired transmission bandwidth by one step value if the difference between the initial SNR value and the real-time SNR value is not less than the preset value.

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Shenzhen, China

Hao He