| 摘要 |
A mobile device is capable of accessing electronic shop server web sites which contain digital products for sale and hotspot network locations where these digital products may be downloaded to the mobile device without incurring cellular phone charges or public switched telephone network charges. The mobile device has a short range transceiver for low power radio frequency over the short distance and a network transceiver for cellular telephone signals. The hotspot network locations contain a hotspot device for transmitting the digital products to the mobile devices via the low power radio frequency signal. The mobile device has the capability of detecting the presence of the low power radio frequency signal when it is in range of the signal. Using this system, method and computer program a user of a mobile device may download large amounts digital data without incurring telephone or cellular phone charges. |
