| 摘要 |
The device has a dedicated point-point radio link (3) connecting a wireless telephony handset (1) with low power and a mobile unit (2) assuring interoperability with various wireless/wired and mobile/fixed cellular network (4), where the link has short range and low power. The link supports low rate, does not restrain modulation or coding number and can be proprietary. The unit has a case with a strap/hook to attach the unit to wrist, ankle or a bag. The unit is covered up in clothing, a bag or a car and is programmed by the handset when inputting a personal identification number (PIN) code. The case is presented like a musical walkman or a video walkman. |
