This chapter presents the WCDMA air interface, referred also as UMTS terrestrial radio access (UTRA), developed by the third-generation partnership project (3GPP). 3GPP has the goal to harmonize and standardize in detail the similar proposals from E
CC2420是一款真正意义上的符合802.15.4协议规范，应用于无线网络中的低功耗、低电压的的RF收发芯片。 CC2420包括一个数字直接序列扩频的基带调制解调器，它的输出放大增益为9dB，有效的数据传输率达240kb/s。 CC2420为工作于2.4GHz免授权频段的无线通信提供了一个低成本的完整的解决方案。它完全符合ETSI EN 300 328(欧洲)，ETSI EN 300 440 class 2 (欧洲)，FCC CFR47 Part 15(美国) 和ARIB STD-T66 (日
ISDB 1-Seg(OneSeg) ARIB-B10 We also have B14/B24 and others resource for 1-Seg. In fact, we almost have total-solution of 1-seg, include all source code.
This standard establishes a color bar signal for the UHDTV video format specified in ARIB standard STD-B56 to facilitate video level control and monitor adjustment.
