27 MHz

27 MHz

The frequency band used by CB radios in the U.S. (from 26.957 to 27.283 MHz). It is also used for wireless keyboards and mice. See ISM band.
Mentioned in ?
References in periodicals archive ?
In the present study, we aimed to investigate apatite formation onto Ti or Zr[O.sub.2] quantitatively in SBF using a 27 MHz QCM, which enabled measurements with high sensitivity and low noise [23,24].
In the present study, we aimed to investigate the protein adsorption onto Ti and Zr[O.sub.2] using a 27 MHz QCM, which enabled measurements with high sensitivity and low noise [18, 19].
[19] frequency 1760 MHz 1850 Gain 5.4 dBi 6.4 dBi BW 35 MHz 27 MHz Total Size (mm) 40 x 40 x 4 23 x 58 x 1.5 Polarization linear linear Table 3.
Furusawa et al (27,28) developed a 27 MHz QCM system to increase the sensitivity, although their method cannot adopt a flow-injection analysis system.
HF oscillators which oscillate at a frequency f of about 27 MHz and a power amplifier P up to 4 kW, as well as high-frequency electrodes shaped to the contours of the seams of the clothing, Fig.
JapanEoACAOs public broadcasting organization, NHK, tapped 27 MHz of occasional capacity aboard the SES WORLD SKIES satellite to bring live details and personal profiles of the miners to enthralled onlookers glued to the unprecedented drama.
Revenue rose by 209% year-on-year to USD41.9m in April-June 2009, mainly driven up by the ongoing conversion of wireless PC peripherals vendors from older 27 MHz radio frequency technology to Nordic Semiconductor's 2.4 GHz components.
The satellite has a payload consisting of 24x 36MHz FSS Kuband (12 fixed and 12 steerable beams), 6x 27 MHz BSS Ku-band and 3x 200MHz FSS Ka-Band transponders.
At 27 MHz, insertion loss of 0.1 dB and return loss of 25 dB.
At 5 GHz, it has a maximum insertion loss of 0.3 dB and a return loss of better than 16 dB; while at 27 MHz, the insertion loss is 0.1 dB with a return loss of 25 dB.