low power jamming device

... specification for a small form-factor, low-cost radio solution providing links ... (or cellular jammer) is a transmitting device designed to interfere with the ... phones. A cell phone jammer works by jamming the signals travelling between the ... used to express relative difference in power or intensity of sound. Digital A ... normally derive their electrical power from utility mains, as opposed to ... devices that normally derive their power from batteries. The point-to-point

... arrival at turnpoints in competitions. Low cost GPS receivers are often combined ... mobile phone because it reduces the power requirements of the mobile phone and ... Warfare uses techniques such as local jamming to replace the blunt, world-wide ... has fallen dramatically, and even low-cost hand held receivers typically ... by improved chip making, allowing even low cost modern receivers to outperform ... relay position data to a PC or other device using the NMEA 0183 protocol. NMEA