截至4月底，北京铁路局将在100余组列车上安装免费WiFi，此外济南铁路局有75组列车也正在进行免费WiFi的装车调试。但高铁、动车暂时无缘免费WiFi。

In order to use the WiFi service, passengers are required to download an APP, which will provide music, news, and movies after logging in. Instant Messaging APPs such as QQ and Wechat are also accessible through the service.

为了使用免费WiFi服务，旅客需下载一个应用，登录后里面有自带的音乐、新闻和电影内容。连接WiFi之后，旅客还可使用QQ和微信等即时聊天应用。

百余列普通列车4月底将开通免费WiFi

According to Beijing Youth Daily, the WiFi signals on the trains will come from the 3G and 4G services providers along the way, and the wireless network capacity will be able to accommodate 120 devices at the same time on each train.

根据北京青年报报道，在火车上的WIFI信号将来自沿途的3G和4G服务提供商，且每台火车的无线网络将会支持120个设备同时接入访问。

The trains will include lines from Beijing to Shanghai, east China's Qingdao, southwest China's Kunming and Lhasa, as well as south China's Guangzhou.

这些火车将包括从北京开往上海，从北京开往中国东部的青岛，从北京开往中国西南的昆明和拉萨，以及从北京开往中国南方的广州的各条线路。