may be employed In case of external antennas 37.7 No Not only loop c 140-148.5 dBµA/m requirement specified coil at 10m antennas may be employed In case of external antennas only loop coil antennas may be employed. The maximum strength is specified in a bandwidth of 10 kHz. The -15 maximum No Not k1 148.5-5000 dBµA/m allowed requirement specified at 10 m total field strength is -5 dBµA/m at 10 m for systems operating at bandwidths larger than 10 kHz whilst keeping the density limit (-15 dBµA/m in a bandwidth of 10 kHz) Note 1 - Sub-band a3): RFIDs operating in the frequency sub-band 119-135 kHz shall meet the spectrum mask given in EN 300 330. This will permit a simultaneous use of the various sub-bands within the range 148.5 kHz. These limits in Table 1 are based on the study published in ECC Report 135 [2] to protect time signal systems. Table 2: Standard frequency and time signals to be protected
may be employed c 140-148.5 37.7 dBµA/m at 10m No requirement Not specified In case of external antennas only loop coil antennas may be employed k1 148.5-5000 -15 dBµA/m at 10 m No requirement Not specified In case of external antennas only loop coil antennas may be employed. The maximum strength is specified in a bandwidth of 10 kHz. The maximum allowed total field strength is -5 dBµA/m at 10 m for systems operating at bandwidths larger than 10 kHz whilst keeping the density limit (-15 dBµA/m in a bandwidth of 10 kHz) Note 1 - Sub-band a3): RFIDs operating in the frequency sub-band 119-135 kHz shall meet the spectrum mask given in EN 300 330. This will permit a simultaneous use of the various sub-bands within the range kHz. These limits in Table 1 are based on the study published in ECC Report 135 [2] to protect time signal systems. Table 2: Standard frequency and time signals to be protected 148.5
Draft%20ECC%20report%20289_PC1.docx