Beijing - Beijing MTR Corporation, operator of Beijing subway line 4, has entered into an agreement with China Mobile Beijing to bring the company's mobile phone signal into the subway's line 4. Under the agreement, from the opening date of the subway line 4, China Mobile's mobile phone signal, including the TD-SCDMA signal, will be available in the public areas and tunnels of this line. A representative from Beijing MTR Corporation told local media that the company attached great importance to … [Read more...] about China Mobile’s 3G signal to cover Beijing’s subway line 4