ET-598 25-Channel 2-Line Cordless Speakerphone w/4-Way Conference Calling
(430-0698) Specifications Faxback Doc. # 38594
Measurement Conditions
1. Standard Voltage:
Handset: ................................. 3.6 VDC +/- 0.025V
Base: ................................. 9.0 VDC +/- 0.03 V
2. Temperature: .......................... 25 Degrees C. +/- 5 Degrees C.
3. Channel:
CHANNEL HANDSET (TX Frequency) BASE (TX Frequency)
1 48.760 MHz 43.720 MHz
2 48.840 MHz 43.740 MHz
3 48.860 MHz 43.820 MHz
4 48.920 MHz 43.840 MHz
5 49.020 MHz 43.920 MHz
6 49.080 MHz 43.960 MHz
7 49.100 MHz 44.120 MHz
8 49.160 MHz 44.160 MHz
9 49.200 MHz 44.180 MHz
10 49.240 MHz 44.200 MHz
11 49.280 MHz 44.320 MHz
12 49.360 MHz 44.360 MHz
13 49.400 MHz 44.400 MHz
14 49.460 MHz 44.460 MHz
15 49.500 MHz 44.480 MHz
16 49.670 MHz 46.610 MHz
17 49.845 MHz 46.630 MHz
18 49.860 MHz 46.670 MHz
19 49.770 MHz 46.710 MHz
20 49.875 MHz 46.730 MHz
21 49.830 MHz 46.770 MHz
22 49.890 MHz 46.830 MHz
23 49.930 MHz 46.870 MHz
24 49.990 MHz 46.930 MHz
25 49.970 MHz 46.970 MHz
4. Telephone Line Voltage/Load: .................. 48 VDC +/- 2 V/600 Ohm
5. Ring Frequency: ................................................ 20 Hz
6. Ring Duration: ................................... 2 Sec ON, 4 sec OFF
7. Standard Modulation: ............................ 1 kHz +/- 3 kHz Dev.
8. Secure Code: ....................................... 65536 Combination
9. Method of Measurement: ............ According to EIA Standard, RS-316A
10. Portable RX Load: ............................................ 150 Ohm
Base Unit:
Receiver:
NOMINAL LIMIT
1. Sensitivity 12 dB SINAD: ................ 0.5 uV ........ 1.5 uV
2. Bandwidth at 6 dB down: ................. +/-9 kHz ..... +/-6 kHz
3. Frequency Response (0.3 kHz): ........... -0.5 dB .... -4.5 ~ +3.5 dB
(3.0 kHz): ........... -6 dB ....... -10 ~ -2 dB
4. Distortion at 1 mV Input: ............... 3% .............. 10%
5. S/N ratio at 1 mV RF Input: ............. 70 dB .......... 50 dB
6. Ringer Level at 30 cm from Ringer: ...... 80 dBSPL ..... 75 dBSPL
Transmitter
1. RF Carrier Field Strength: .............. *1 uV/m ....... *1 uV/m
(*1: Follow the Requirement of FCC Part 15.232 Paragraph C)
2. Modulation Sensitivity(at +/-3 kHz Dev.): -18 dBm .... -23 ~ -13 dBm
3. Frequency Response (0.3 kHz): ........... -2 dB ........ -6 ~ +2 dB
(3.0 kHz): ........... 0 dB ...... -4.0 ~ +4.0 dB
4. Frequency Tolerance: .................... +/-600 Hz .... +/-1500 Hz
Speakerphone:
1. Modulation Sensitivity(at TEL OUT -10dBm): 2.5 mV ....... 1.5 ~ 4.0 mV
2. Audio Output Power
(at TEL IN -30 dBm, Dummy Load 32 Ohm): .. 250 mV ....... 140 ~ 450 mV
Intercom:
1. Modulation Sensitivity (at +/-3 kHz Dev): 2.8 mV ........ 1.7 ~ 4.5 mV
2. Audio Output Power at 1 mV Input
(at +/-3 kHz, Dummy Load 32 Ohm): ....... 1600 mV ...... 760 ~ 2400 mV
Telephone Line:
NOMINAL LIMIT
1. Off-hook Impedance (at 1 kHz): .......... 850 Ohm .... 500~ 1500 Ohm
2. Off-hook DC Resistance (DC 40 mA): ...... 250 Ohm .... 200 ~ 300 Ohm
3. Telephone Line Output Voltage at Mod.: .. -8 dBm ...... -12 ~ -4 dBm
1 kHz +/-3 kHz Dev.
4. Minimum Ringer Input Level (at 20 Hz): .. 18 V(RMS) .... 40 V(RMS)
Telephone Dial Unit:
NOMINAL LIMIT
1. PULSE DIALING:
a. Dialing Rate (10 pps): .............. 10 pps .... 8.0 ~ 11.0 pps
b. Make Ratio (10 pps): ................ 39 % ......... 36 ~ 42 %
2. DTMF DIALING
a. DTMF Frequency:
Row 1: .............................. 697 Hz ...... 687 ~ 707 Hz
Row 2: .............................. 770 Hz ...... 759 ~ 781 Hz
Row 3: .............................. 852 Hz ...... 840 ~ 864 Hz
Row 4: .............................. 941 Hz ...... 927 ~ 955 Hz
Column 1: ........................... 1209 Hz .... 1191 ~ 1227 Hz
Column 2: ........................... 1336 Hz .... 1316 ~ 1356 Hz
Column 3: ........................... 1477 Hz .... 1455 ~ 1499 Hz
b. Signal Level on Single Tone
Low Group: .......................... -7 dBm ........ > -10 dBm
High Group: ......................... -5 dBm ........ > -8 dBm
c. High Group Component/
Low Group Component Difference: ..... 2 dB ...... .... 0 ~ 4 dB
Handset Unit:
Receiver:
NOMINAL LIMIT
1. Sensitivity 12 dB SINAD: ................ 0.5 uV ........ 1.5 uV
2. Bandwidth at 6 dB down: ................. +/-9 kHz ..... +/-6 kHz
3. Frequency Response (0.3 kHz): ........... 0 dB ....... -4 ~ +4 dB
(3.0 kHz): ........... -7.5 dB .. -11.5 ~ -3.5 dB
4. Audio Output Power at 1 mV Input: ....... 90 mV ...... 55 ~ 145 mV
5. Distortion at 1 mV Input: ............... 2 % ............. 6 %
6. S/N ratio at 1 mV RF Input: ............. 55 dB ......... 45 dB
7. Leakage Ring Level at Ear Piece: ........ 80 dBSPL ..... 120 dBSPL
Transmitter:
NOMINAL LIMIT
1. RF Carrier Field Strength: .............. 1* uV/m ...... 1* uV/m
(1*: Follow the Requirements of FCC Part 15.232 Paragraph C)
2. Modulation Sensitivity(at +/-3 kHz Dev.): 11 mV ....... 5 ~ 17 mV
3. Frequency Response (0.3 kHz): ........... -1.5 dB ... -5.5 ~ +2.5 dB
(3.0 kHz): ........... -1.5 dB ... -5.5 ~ +2.5 dB
4. Frequency Tolerance: .................... +\-600 Hz ... +/-1500 Hz
Power Consumption:
NOMINAL LIMIT
1. Base Unit 9 VDC (TEL LINE ON): .......... 85 mA ....... 65 ~ 105 mA
2. Handset Unit:
a. Stand-by (average): ................. 1.25 mA ...... 1.78 mA
b. In-use: ............................. 35 mA ......... 44 mA
Battery Low Light: ........................... Turn-on Level 3.2 to 3.55 V
Battery: ........................................ 300 mAH (@1.2 V x 3=3.6)
Mode Switch: .............................. DTMF-Pulse (10 pps) Selectable
Memory: ...................................................... 10 Memories
Operating Temperature: ............................... -10 ~ 50 Degrees C.
Storage Temperature: ................................. -20 ~ 60 Degrees C.
Requirement Compliance:
Unit is designed to fully meet with UL 1459 and FCC Rules, Part 15 and 68.
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 condi-
tion that still might be considered acceptable; in no case should a
unit fail to meet limit specs.
Specifications are typical; individual units might vary. Specifications are
subject to change and improvement without notice.
(EB 3/26/97)
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