| 单词 | CT2+ (Cordless Telephony generation 2 plus) |
| 释义 | CT2+ (Cordless Telephony generation 2 plus) An early standard for digital cordless telephony, CT2+ was an improvement on CT2, supporting two-way calling and call handoff. CT2+ uses 8 MHz of bandwidth in the 944–948 MHz range supports 40 channels spaced at 100 kHz with one channel per carrier, and uses Gaussian frequency shift keying (GFSK) modulation. CT2+ is based on dynamic channel allocation, requiring frequency-agile handsets. Encryption is supported for improved security. A common signaling and control channel offers improved call set-up times, increased traffic capacity, and longer battery life because the handset must monitor only the signaling channel. CT2+ has been used in applications such as the Walkabout public cordless telephony market test in Canberra, Australia. See also carrier, channel, cordless telephone, CT2, digital, encryption, GFSK, handoff, modulation, and signaling and control. |
| 随便看 |
|
科学参考收录了5291条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。