市场消息：广和通无线计划通过香港IPO筹集至多4亿美元。

Group 1 - The core point of the article is that Guanghetong Wireless plans to raise up to $400 million through an IPO in Hong Kong [1] Group 2 - The company is seeking to capitalize on the growing demand for wireless communication technology [1] - The IPO is expected to enhance the company's financial position and support its expansion plans [1] - The move reflects a broader trend of technology companies pursuing public listings to access capital markets [1]