Campbell RF400 Handbuch PDF herunterladen (Seite 29)

RF401-series and RF430-series Spread Spectrum Radio/Modems

16755 2.4 GHz, 13 dBd ANTENNA, ENCLOSED YAGI,

allows vertical or horizontal polarization, MAXRAD

WISP24015PTNF, boom length 17 inches, diameter 3

inches, W/ END MOUNT to fit 1 to 2 in. O.D. mast

(requires antenna cable and possibly a surge protector;

see Section 4.5).

FCC OET Bulletin No. 63 (October 1993)

Changing the antenna on a transmitter can significantly increase, or decrease,

the strength of the signal that is ultimately transmitted. Except for cable

locating equipment, the standards in Part 15 are not based solely on output

power but also take into account the antenna characteristics. Thus, a low

power transmitter that complies with the technical standards in Part 15 with a

particular antenna attached can exceed the Part 15 standards if a different

antenna is attached. Should this happen it could pose a serious interference

problem to authorized radio communications such as emergency, broadcast,

and air-traffic control communications.

In order to comply with the FCC RF exposure

requirements, the RF401 and RF430 may be used only

with approved antennas that have been tested with these

radios and a minimum separation distance of 20 cm must

be maintained from the antenna to any nearby persons.

CAUTION

Read Appendix A of this manual for important FCC information.

FIGURE 6. Item #14310 900 MHz Omnidirectional 1/4 Wave Whip, 0 dBd

FIGURE 7. Item #14204 900 MHz Omnidirectional 1/2 Wave Whip, 0 dBd

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Campbell RF400 Handbuch Seite 29