In the US and Canada they use the following: PRE-1984 CORDLESS FREQUENCIES POST-1995 CORDLESS FREQUENCIES Channel ## Base TX Rmte TX Channel ## Base TX Rmte TX ========== ======= ======= ========== ======= ======= Channel 01A 49.9300 01.6950 Channel 01 43.7200 48.7600 Channel 06A 49.8300 01.7050 Channel 02 43.7400 48.8400 Channel 13A 49.8600 01.7650 Channel 03 43.8200 48.8600 Channel 19A 49.8750 01.7950 Channel 04 43.8400 48.9200 Channel 25A 49.8900 01.8250 Channel 05 43.9200 49.0200 Channel 27A 49.8450 01.7350 Channel 06 43.9600 49.0800 Channel 07 44.1200 49.1000 POST-1984 CORDLESS FREQUENCIES Channel 08 44.1600 49.1600 Channel 09 44.1800 49.2000 Channel ## Base TX Rmte TX Channel 10 44.2000 49.2400 ========== ======= ======= Channel 11 44.3200 49.2800 Channel 01 46.6100 49.6700 Channel 12 44.3600 49.3600 Channel 02 46.6300 49.8450 Channel 13 44.4000 49.4000 Channel 03 46.6700 49.8600 Channel 14 44.4600 49.4600 Channel 04 46.7100 49.7700 Channel 15 44.4800 49.5000 Channel 05 46.7300 49.8750 Channel 16 46.6100 49.6700 Channel 06 46.7700 49.8300 Channel 17 46.6300 49.8450 Channel 07 46.8300 49.8900 Channel 18 46.6700 49.8600 Channel 08 46.8700 49.9300 Channel 19 46.7100 49.7700 Channel 09 46.9300 49.9900 Channel 20 46.7300 49.8750 Channel 10 46.9700 49.9700 Channel 21 46.7700 49.8300 Channel 22 46.8300 49.8900 Note: Post-1995 cordless channels Channel 23 46.8700 49.9300 16-25 are congruent with Channel 24 46.9300 49.9900 Post-1984 channels 1-10. Channel 25 46.9700 49.9700 900 MHZ BAND FREQUENCIES Many of today's 900 MHz cordless telephones offer digital encryption or spread spectrum technology. Either of these systems will render the reception of the conversation by an ordinary scanner impossible. Taken From Panasonic KX-T9000 60 Channel Model Base: 902.100 - 903.870 Base frequencies Handset: 926.100 - 927.870 Handset frequencies (30 kHz Spacing) CH BASE TX HAND TX CH BASE TX HAND TX CH BASE TX HAND TX == ======= ======= == ======= ======= == ======= ======= 01 902.100 926.100 21 902.700 926.700 41 903.300 927.300 02 902.130 926.130 22 902.730 926.730 42 903.330 927.330 03 902.160 926.160 23 902.760 926.760 43 903.360 927.360 04 902.190 926.190 24 902.790 926.790 44 903.390 927.390 05 902.220 926.220 25 902.820 926.820 45 903.420 927.420 06 902.250 926.250 26 902.850 926.850 46 903.450 927.450 07 902.280 926.280 27 902.880 926.880 47 903.480 927.480 08 902.310 926.310 28 902.910 926.910 48 903.510 927.510 09 902.340 926.340 29 902.940 926.940 49 903.540 927.540 10 902.370 926.370 30 902.970 926.970 50 903.570 927.570 11 902.400 926.400 31 903.000 927.000 51 903.600 927.600 12 902.430 926.430 32 903.030 927.030 52 903.630 927.630 13 902.460 926.460 33 903.060 927.060 53 903.660 927.660 14 902.490 926.490 34 903.090 927.090 54 903.690 927.690 15 902.520 926.520 35 903.120 927.120 55 903.720 927.720 16 902.550 926.550 36 903.150 927.150 56 903.750 927.750 17 902.580 926.580 37 903.180 927.180 57 903.780 927.780 18 902.610 926.610 38 903.210 927.210 58 903.810 927.810 19 902.640 926.640 39 903.240 927.240 59 903.840 927.840 20 902.670 926.670 40 903.270 927.270 60 903.870 927.870 For the single frequency model Panasonic phones, the color of the unit often determines which of the above channels is used by the phone. The following chart lists these allocations. Unit Color CH Unit Color CH Unit Color CH Unit Color CH ============ == ============ == ============ == ============= == Banana 03 Cerise 04 Gray 07 Off White 06 Black 59 Chartreuse 10 Hot Pink 02 Shocking Pink 09 Blue 01 Fuschia 08 Neon Purple 11 White 05 --- (Taken From V-Tech Tropez DX900 20 Channel Model) Base: 905.600 - 907.500 Base frequencies Handset: 925.500 - 927.400 Handset frequencies (100 kHz Spacing) CH BASE TX HAND TX CH BASE TX HAND TX CH BASE TX HAND TX == ======= ======= == ======= ======= == ======= ======= 01 905.600 925.500 08 906.300 926.200 15 907.000 926.900 02 905.700 925.600 09 906.400 926.300 16 907.100 927.000 03 905.800 925.700 10 906.500 926.400 17 907.200 927.100 04 905.900 925.800 11 906.600 926.500 18 907.300 927.200 05 906.000 925.900 12 906.700 926.600 19 907.400 927.300 06 906.100 926.000 13 906.800 926.700 20 907.500 927.400 07 906.200 926.100 14 906.900 926.800 --- OTHER 900 MHZ CORDLESS PHONES AT&T Model 9120 - Base: 902.000-905.000 Handset: 925.000-928.000 Otron Corp. Model CP-1000 - Base: 902.100-903.900 Handset: 926.100-927.900 Samsung Model SP-R912 - Base: 903.000 Handset: 927.000 ================================================================================ In the UK they use the following: Channel Pairs Base Unit TX Mhz Handset Tx Mhz 1 A 1.642 47.45625 4 B 1.702 47.49375 2 A 1.662 47.46875 5 B 1.772 47.50625 3 A 1.682 47.48125 6 B 1.742 47.51875 4 A 1.702 47.49375 7 B 1.762 47.53125 5 A 1.722 47.50625 8 B 1.782 47.54375 ================================================================================ In Australia they use the following: 10 Channel Cordless models in Australia Base Handset 30.075 39.775 30.100 39.800 30.125 39.825 30.150 39.850 30.175 39.875 30.200 39.900 30.225 39.925 30.250 39.950 30.275 39.975 30.300 40.000 5 Channel Cordless Phone models Australia Base Handset 1.725 40.025 1.740 40.075 1.755 40.125 1.770 40.175 1.785 40.225 ================================================================================ In New Zealand they use the following: Channel Base Unit Transmit (MHz) Portable Unit Transmit (MHz) CT1-1 30.075 39.775 CT1-2 30.100 39.800 CT1-3 30.125 39.825 CT1-4 30.150 39.850 CT1-5 30.175 39.875 CT1-6 30.200 39.900 CT1-7 30.225 39.925 CT1-8 30.250 39.950 CT1-9 30.275 39.975 CT1-10 30.300 40.000 CT1-11A 30.325 or 1.725 40.025 CT1-12 30.350 40.050 CT1-13B 30.375 or 1.740 40.075 CT1-14 30.400 40.100 CT1-15C 30.425 or 1.755 40.125 CT1-16 30.450 40.150 CT1-17D 30.475 or 1.770 40.175 CT1-18 30.500 40.200 CT1-19E 30.525 or 1.785 40.225 CT1-20 30.550 40.250 CT1-21 30.575 40.275 CT1-22 30.600 40.300 or 72.800 CT1-23 30.625 40.325 or 72.825 CT1-24 30.650 40.350 or 72.850 CT1-25 30.675 40.375 or 72.875 CT1-26 30.700 40.400 or 72.900 CT1-27 30.725 40.425 or 72.925 CT1-28 30.750 40.450 or 72.950 CT1-29 30.775 40.475 or 72.975 The 800 Mhz cordless phones in New Zealand operate on: 864.15 865.15 866.15 867.15 864.25 865.25 866.25 867.25 864.35 865.35 866.35 867.35 864.45 865.45 866.45 867.45 864.55 865.55 866.55 867.55 864.65 865.65 866.65 867.65 864.75 865.75 866.75 867.75 864.85 865.85 866.85 867.85 864.95 865.95 866.95 867.95 865.05 866.05 867.05 868.05 ================================================================================