| 摘要 |
A roaming service area indicating device (100) for a mobile telecommunication device is disclosed. The device includes a mobile station modem outputting a roaming indication control signal (10) depending upon a present location of the mobile telecommunication device, a switching circuit performing switching operations in accordance with the roaming indication control signal outputted from the mobile station modem (20), and a light emitting part being activated in accordance with an operation result of the switching circuit (30). <IMAGE> |
