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SD-170 Series Specifications |
| General | VHF model SD-171 |
UHF
model SD-174 |
| Frequency Range | 148-174 MHz | 450-490 MHz |
| Channels | 16 (dip switch selectable or external serial command) | |
| Channel Spacing | 25 / 30 / 12.5 / 15 / KHz | 25 / 12.5 KHz |
| PLL Step |
5.0 / 6.25 / 7.5 KHz |
5.0 / 6.25 KHz |
| Channel Spread | 26 MHz | 40 MHz |
| Antenna Impedance | 50 Ω | |
| Operating Voltage |
7.2V DC to 18V DC, +/- 20% |
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| Operating Temperature (-30� to + 60� C) |
-22� to +140� F (-30� to + 60� C) |
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| Frequency Stability |
� 2.5 ppm |
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| Current Draw Rx | <65 mA | |
| Current Draw Tx | <1.0 A | |
| Attack Time Rx to Tx |
20 ms |
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| Attack Time Tx to Rx |
20 ms (no power saving) |
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| PLL Lock Time | 10 ms | |
| Squelch Attack Time RF Level at Threshold RF Level at Threshold + 20dB |
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| Squelch Decay |
5 ms min., 20 ms max. |
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| Baud Rate GMSK |
Up to 9600 |
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| Baud Rate FFSK |
Up to 4800 |
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| Dimensions [H x W x D] |
4-5/16" x 2-5/16" x 1-1/4" [125 x 58 x 32 mm] |
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| Weight |
8.9 oz [253 gm] |
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| FCC identifier | O7KSD171 | O7KSD174 |
| FCC Compliance | Parts 22, 74, 90.210 | |
| IC Certification Number |
3690A-SD171 |
3690A-SD174 |
| Receiver (measurement procedures made per ANSI /TIA/ EIA-603) | ||
| Sensitivity
(12dB SINAD) |
0.25 �V @ 12.5 kHz | 0.25 �V @ 25 kHz |
| Selectivity | 65 dB @ 12.5 KHz | 70 dB @ 25 KHz |
| Intermodulation | 70 dB @ 12.5 KHz | 70 dB @ 25 KHz |
| Spurious Response | 65 dB @ 12.5 KHz | 65 dB @ 25 KHz |
| Audio Output |
250mV @ 8 Ω (filtered) |
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| Transmitter (measurement procedures made per ANSI /TIA/ EIA-603) | ||
| RF Output | 5 Watts | |
| Spurious & Harmonics | 60 dB | |
| Modulation | 16K0F3E / 11K0F3E / 19K6F3E | |
| FM Hum & Noise | 40dB @
12.5 kHz 40dB @ 12.5 kHz; |
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| Audio Distortion | 2% | |
| Unfiltered Modulation | 100 mV RMS (input) 7m V rms (filtered modulation input) |
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| Specifications are subject to change without notice. |
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WISCO International, Inc. -
MIAMI, FL U.S.A. Fax: (954) 370-3997 | E-mail: wiscointl@wiscointl.com |
