ET-908 900 MHz Digital Cordless Telephone
(430-1083)                 Specifications             Faxback Doc. # 31642


GENERAL SPECIFICATIONS

a) Base Unit

Power Requirements......................................... 117 V AC +/-15%
Current Consumption (maximum)....................................... 200 mA
Power Adapter Requirement................................. 12 V DC @ 300 mA
Operating Temperature Range.................................... 0 C to 40 C

b) Handset Unit

Power Requirements.......................................... 5.0 - 7.0 V DC
Current Consumption (maximum)............................... 100 mA +/-10 %
Battery Requirement..................................... 6.0 V AC @ 600 mAH
Operating Temperature Range.................................... 0 C to 40 C

BASE SET TECHNICAL SPECIFICATIONS

a) Transmitter Section

Output Frequency Range................................... 902.3 - 905.0 MHz
Channel Spacing.................................................... 300 kHz
Radiated Field Strength..................................... <50 mV/m, @ 3m
Antenna Polarization.............................................. Vertical
Transmitter Frequency Stability...................... +/-5 kHz, 0 C to 50 C
Modulation Method...................................................... FSK
Frequency Deviation.................................... 50 kHz p-p +/-5 kHz
Modulation Data Rate............................................... 50 kbps

* Meets all FCC part 15 requirements.

b) Receiver Section

Channel Bandwidth (-3 dB bandwidth)................................ 150 kHz
Receiver Noise Figure.............................................. <5.5 dB
Sensitivity for 25 dB SINAD............................ <1.12 uV (-106 dBm)
                                                        at duplexer
Image Rejection (RF)............................................... > 60 dB
Adjacent Channel Rejection..........................................> 60 dB
Receiver Muting Level..................................... between -109 dBm
                                                           and -107 dBm

* Meets all FCC part 15 requirements.

c) Telephone Interface

DTMF Level

Low Grouop...................................................... > -8.5 dBm
High Group.......................................................> -6.5 dBm
Per Frequency Pair................................................< 1.0 dBm
DTMF Frequency Tolerance........................................... +/-1.5%
DTMF Twist Level.....................................................< 4 dB
Ringer Equivalence Number............................................ 0.7 B
Leakage Current (Tip & Ring)....................................... < 10 mA
On Hook DC Impedance..............................................> 10 Mohm
Off Hook DC Impedance........................................ 100 - 300 ohm
                                                       @ 20 mA loop current
Minimum Ringer Voltage..................................... 40 Vrms @ 20 Hz
Pulse dialing.................................................. 8 to 11 pps
Pulse dialing Make/Break ratio......................................... 40%

* Meets all FCC part 68 requirements.

HANDSET TECHNICAL SPECIFICATIONS

a) Transmitter Section

Output Frequency Range................................. 925.05 - 927.75 MHz
Channel Spacing.................................................... 300 kHz
Radiated Field Strength.................................... < 50 mV/m, @ 3m
Antenna Polarization.............................................. Vertical
Transmitter Frequency Stability...................... +/-5 kHz, 0 C to 50 C
Modulation Method...................................................... FSK
Frequency Deviation.................................... 50 kHz p-p +/-5 kHz
Modulation Data Rate............................................... 50 kbps

* Meets all FCC part 15 requirements.

c) Acoustic Performance

Frequency Response................................ 300 Hz - 3 kHz (+/-1 dB)
Receive Objective Loudness Rating (ROLR)....................... 41 to 51 dB
Transmit Objective Loudness Rating (TOLR).................... -37 to -50 dB
Sidetone Objective Loudness Rating (SOLR)..................... +3 to +19 dB

* Meets EIA 470A requirements.

(km-03/20/1997)

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