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3. SPECIFICATIONS:
General Spec
Loop Resistance
Talk Mode Resistance
Monitor Mode Resistance
Pulse Dial Output Rate
Percent Break
Interdigit interval
DTMF Output
Frequency
Key
Row
Col
Tone Output
Distortion to Tone level
Frequency error
Level per Tone Pair
High versus Low Tone difference 4dB max
Level variation
Physical
Case
Keypad
Belt loop connect
Test leads
Dimension
Length
width
Height
Weight
Environmental
Temperature
Humidity
Shock test
2.2 K Ω at 48 VDC (20 mA loop current)
200Ω typical at 20 mA
120 KΩ at 1 KHz
10 PPS
58 – 66 mS
740 – 820 mS
Input
Freq.Output (Hz)
1
697
2
770
3
852
4
941
1
1209
2
1336
3
1477
194 mv(-12dBm )
-20dB
+1%
- 8 dBm min
+5 dB
Rugged and Withstand Nylon 6/6
15 conductive rubber buttons
Spring – loaded belt clip
Tinsel wire PVC insulated with Nylon braided Jacket
1.5 meter long terminated by Bed-of-nail and Spike
alligator clips
22 cm
6 cm
8.5 cm
0.3 Kg
Operate - 5 to + 50 C
Storage -40 to + 70 C
90%
drop 7 meters
Page
2
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