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Espresso Engineering Workbook <--free

Crane Aerospace & Electronics (RF & Microwave) - RF Cafe

RF Cascade Workbook for Excel

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Windfreak Technologies Frequency Synthesizers - RF Cafe

WCDMA Band Frequency Assignments

WCDMA (or W-CDMA) operations are designated by nine bands as indicated in the following table.

Band 1	2,100 MHz
Band 2	1,900 MHz
Band 3	1,800 MHz
Band 4	2,100 / 1,700 MHz
Band 5	850 MHz (for the U.S.)
Band 6	850 MHz (for Japan)
Band 7	2,500 MHz
Band 8	900 MHz
Band 9	1,700 MHz (for Japan)

Wireless Spectrum Chart, by QRC Technologies

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...

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Innovative Power Products (IPP) RF Combiners / Dividers - RF Cafe

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

Innovative Power Products (IPP) Directional Couplers - RF Cafe