Philadelphia's project covers a smaller area than Taipei's, and its main objective is to strengthen public security, reduce the digital divide, and enable government agencies to communicate more easily. That's not exactly what Taipei is doing; it's closer to Kaohsiung's public wireless platform.
費城的範圍比台北小，目的主要是強化公共安全、降低數位落差，讓政府機構之間的溝通更方便，這點跟台北不太一樣，反而比較接近高雄現在的無線公用平台。