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日本蓝牙产品的认证要求

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发表于 2007-1-29 15:37:11 | 显示全部楼层 |阅读模式

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  Items     Technical standard
Assigned frequency or designated frequency     2,400-2,483.5MHz
Communication method     One-way communication, simplex, semi-duplex, or duplex operation of digital signal transmission including spread spectrum
Tolerance of frequency (×10-6)     50PPM
Tolerance of occupied bandwidth     83.5MHz
Antenna power     Designated value shall be less than 3mW/MHz.Tolerance shall be +20% (upper value) and –80% (lower value).
Antenna gain     1) 2.14 dBi or less in principle2) In case of directional antennaEIRP≦16.91 dBm/MHz
Tolerance of spurious emission intensity     (1) Below 2387 MHz : 2.5μW/MHz (2) 2387 to 2400 MHz : 25μW/MHz (3) 2483.5 through 2496.5 MHz : 25μW/MHz (4) Over 2496.5 MHz : 2.5μW/MHz
Holding time of hopping frequency    0.4 sec or lees
Limit of secondary radiated emissions    (1) Below 1 GHz : 4 nW(2) 1 GHz and over : 20 nW
Interference prevention function    Shall have the function of automatic transmission and reception ofidentification sign.
Structure    Shall be of the structure that the RF and modulator sections excluding antenna cannot easily be opened.
发表于 2007-1-29 17:12:25 | 显示全部楼层
去我刚才给的VCCI链接上,那里有无线的标准要求~~~

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