| 单词 | CT2 (Cordless Telephony generation 2) |
| 释义 | CT2 (Cordless Telephony generation 2) An early standard for digital cordless telephony, CT2 was developed in the United Kingdom, where it formed the basis for the Telepoint public cordless service. CT2 employs time division multiple access (TDMA) and time division duplex (TDD), and is deployed on a limited basis in Europe, Canada, and the Asia-Pacific. Although it originally supported only outgoing calling, contemporary CT2 implementations support two-way calling. As CT2 does not support handoff, the user must remain within range of the antenna used to set up the call. CT2 operates in the 864–868 MHz range, supports 40 channels spaced at 100 kHz with one channel per carrier, and uses Gaussian frequency shift 74570c03.qxd 9/11/07 12:19 PM Page 120 |
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