ET-400 DUoFONE Cordless Telephone System (430-0550) Specifications Faxback Doc. # 16891 Base Unit Handset Unit Transmit Frequency [MHz] 46.6 to 46.9 49.6 to 49.9 Receive Frequency [MHz] 49.6 to 49.9 46.6 to 46.9 Transmit RF Output [V] 2.5 (at 50Ohms) 2.5 (at 50Ohms) Memory Capacity (Pulse or Tone): 28 digits Redial Memory Capacity: 32 digits Memory Position Capacity: 16 stations Power Requirements Base Unit: 120 volts, 60Hz AC (240 volts, 50Hz for UK models available only in UK) Handset Unit: Rechargeable Nickel-Cadmium batteries DC 4.8V (1.2V x 4) Telephone Connections: Use modular connectors (USOC type RJ-11C or RJ-11W) MEASUREMENT CONDITIONS Standard Voltage Handset: DC 4.8V +/- 0.1V Base: AC 120V +/- 1V, 60Hz (or 240V +/- 2V, 50Hz for UK models) Room Temperature: 25 +/- 3 degrees C Standard Modulation: 1kHz, 2kHz Dev. Carrier Frequency: Base Unit TX RX TX RX F. 46.610 MHz 49.670 MHz K. 46.770 MHz 49.830 MHz G. 46.630 MHz 49.845 MHz L. 46.830 MHz 49.890 MHz H. 46.670 MHz 49.860 MHz M. 46.870 MHz 49.930 MHz I. 46.710 MHz 49.770 MHz N. 46.930 MHz 49.990 MHz J. 46.730 MHz 49.875 MHz O. 46.970 MHz 49.970 MHz PULSE DIALING UNIT NOMINAL LIMIT Dialing Rate P.P.S. 10 8.0 - 11 Dialing Rate ms 100 90 - 110 Break Ratio % 61 58 - 64 Make Ratio % 39 n/a Pre-Digital Pause ms 1000 500 - 2000 Inter-Digital Pause ms 850 600 - 2000 Manual Access Pause sec. 3.8 3.5 - 4.2 Flash sec. 0.65 0.3 - 1.0 TONE DIALING UNIT NOMINAL LIMIT Row 1 \ Hz 697 687 - 707 Row 2 | Low Group Hz 770 759 - 781 Row 3 | Hz 852 840 - 864 Row 4 / Hz 941 927 - 955 Column 1 \ Hz 1209 1191 - 1227 Column 2 | High Group Hz 1336 1316 - 1356 Column 3 / Hz 1477 1455 - 1499 SIGNAL LEVEL UNIT NOMINAL LIMIT Minimum Level on Single Tone Loop Current at 20mA Low Group dBm -5.0 -7.5 High Group dBm -3.5 -5.5 Loop Current at 80mA Low Group dBm -5.0 -12 High Group dBm -3.0 -10 Maximum Level on Pair Frequency Loop Current at 40mA dBm -3.0 0 Tone Dial Single THD on Single Tone Loop Current (both 20mA and 50mA) % 2.0 8.0 Duration of Signals ms 60 50 (min.) Inter-Digital Time ms 60 50 (min.) HANDSET UNIT Receiver UNIT NOMINAL LIMIT Sensitivity at 20dB S+N/N uV 1.0 2.0 Squelch Sensitivity uV 0.5 1.0 Bandwidth at -6dB kHz +/- 8.0 +/- 7.0 Adjacent Channel Selectivity at +/- 20kHz dB 50 35 Spurious Rejection Ration dB 50 35 Frequency Response at 300Hz dB +3.5 +3.5 +/- 6.0 at 3000Hz dB +14.0 +14.0 +/- 6.0 Audio Output Power mV 30 16 THD at 1000uV RF Input % 5.0 10 S+N/N at 1000Hz RF Input dB 50 40 Local OSC Frequency Tolerance Hz +/- 500 +/- 1000 Ringer & Call Output Voltage Vp-p 15 10 Transmitter UNIT NOMINAL LIMIT RF Output Voltage at 50Ohm Vp-p 0.7 0.55 0.3 (Canada) 0.15 (Canada) Frequency Tolerance Hz +/- 500 +/- 1000 Frequency Response at 300Hz dB -3.0 -3.0 +/- 6.0 at 3000Hz dB -1.5 -1.5 +/- 6.0 Modulation Sensitivity at 2kHz Dev. mV 18 9 - 36 Modulation THD % 5.0 10 Current Drain UNIT NOMINAL LIMIT Stand-by mA 15 20 Talk mA 45 68 Battery Low LED Turn-on Voltage V 4.75 4.75 +/- 0.15 BASE UNIT Receiver UNIT NOMINAL LIMIT Sensitivity at 20dB S+N/N uV 2.0 4.0 Squelch Sensitivity uV 0.5 1.0 Bandwidth at -6dB kHz +/- 8.0 +/- 7.0 Adjacent Channel Selectivity at +/- 15kHz dB 40 27 Spurious Rejection Ratio dB 50 35 Frequency Response at 300Hz dB -5.0 -5.0 +/- 6.0 at 3000Hz dB -3.0 -3.0 +/- 3.0 Telephone Line Output Level dBm -2.0 -2.0 +/- 3.0 THD at 1000uV RF Input % 5.0 10 S+N/N at 1000uV RF Input dB 50 40 Local OSC Frequency Tolerance Hz +/- 500 +/- 1000 NOTE: Nominal specs represent the design specs; all units should be able to approximate these--some will exceed and some may drop slightly below these specs. Limit specs represent the absolute worst condition that still might be considered acceptable; in no case should a unit perform to less than within any limit spec. Transmitter UNIT NOMINAL LIMIT RF Output Volatge at 50Ohm Vp-p 0.25 0.18 0.7 (Canada) 0.55 (Canada) Frequency Tolerance Hz +/- 500 +/- 1000 Frequency Response at 300Hz dB -9.0 -9.0 +/- 6.0 at 3000Hz dB 8.0 8.0 +/- 6.0 Modulation Sensitivity at 2kHz Dev. dBm -10 -10 +/- 3.0 Modulation THD % 5.0 10 AC Power Consumption VA 3.5 7.0 Minimum Ringer Input Voltage V 35 40 EIA Ringer Tap Voltage V 130 105 Minimum Ringer Input Voltage