ET-912 900 MHz Digital 2-Line Cordless Speakerphone w/Caller ID
(430-0692)                 Specifications             Faxback Doc. # 38592

General Specifications

Base Unit:

Power Requirements: ...................................... 117 VAC +/- 15%
Current Consumption (Maximum): .................................... 300 mA
Power Adapter Requirement: ............................... 12 VDC @ 500 mA
Operating Temperature Range: .......................... 0 to 40 Degrees C.

Handset Unit:

Power Requirements: ........................................ 5.5 - 7.0 VDC
Current Consumption (Maximum): ............................ 100 mA +/- 10%
Battery Requirement: ................................... 6.0 VAC @ 700 mAH
Operating Temperature Range: .......................... 0 to 40 Degrees C.

Base Set Technical Specifications

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 - 50 Degrees C.
Modulation Method: ................................................... FSK
Frequency Deviation: ................................ 50 kHz p-p +/- 5 kHz
Modulation Data Rate: ............................................. 5 kbps

** Meets all FCC part 15 requirements.

Receiver Section:

Channel Bandwidth (-3 dB bandwidth): ............................. 150 kHz
Receiver Noise Figure: .......................................... < 5.5 dB
Sensitivity for 25 dB SINAD: ........................ < 1.2 uV 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.

Telephone Interface:

DTMF Level:
     Low Group: .............................................. > - 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 M Ohm
Off Hook DC Impedance: ................ 100 - 300 Ohm @ 20 mA loop current
Minimum Ringer Voltage: ............................... 40 V (RMS) @ 20 Hz
Pulse Dialing: ............................................... 8 to 11 pps
Pulse Dialing Make/Break Ratio: ...................................... 40%
Caller Identification Sensitivity: ...................... 36 dBm @ 2200 Hz

** Meets all FCC part 68 requirements.

Handset Technical Specifications:

Transmitter Section:

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

** Meets all FCC part 15 requirements.

Receiver Section:

Channel Bandwidth (-3 dB bandwidth): ............................. 150 kHz
Receiver Noise Figure: .......................................... < 5.5 dB
Sensitivity for 25 dB SINAD: ....................... < 1.12 uV 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.

Acoustic Performance:

Frequency Response: ....................................... 300 Hz - 3 kHz
Receiver 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.

Specifications are typical; individual units might vary. Specifications are
subject to change and improvement without notice.


(EB 3/26/97)

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