Radio transmitter LT-558UV security guard equipment with dual watch/dual standby
Main features:
1. Emergency Alarm Function
2. TOT (Time-out timer)
3. High/Low Power Switchable
4. PC Programmable
5. Wide Channel spacing: 12.5K /25K
6. Monitor
7. Auto Battery Save
8. CTCSS-50/CDCSS-105
9. VOX
10. Ending sound silence
11. Low Battery Alert
12. Squelch level 0-9 adjustable
13. Busy Channel Lockout
14. Channel Scan
15. Wire Cloning
Main features:
1. Emergency Alarm Function
2. TOT (Time-out timer)
3. High/Low Power Switchable
4. PC Programmable
5. Wide Channel spacing: 12.5K /25K
6. Monitor
7. Auto Battery Save
8. CTCSS-50/CDCSS-105
9. VOX
10. Ending sound silence
11. Low Battery Alert
12. Squelch level 0-9 adjustable
13. Busy Channel Lockout
14. Channel Scan
15. Wire Cloning
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General |
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Frequency Range |
136~174MHz and 400~470MHz |
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Channel No. |
96 |
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Channel Spacing |
12.5/25 kHz |
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Frequency Stabilization |
± 2.5ppm |
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Operating Temperature Range |
-20° C ~ +55° C |
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Voltage |
7.5v |
|
Battery |
1600mAh Li-ion |
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Dimensions(H*W*D) |
119mm (H)*53mm (W) *32mm (D) |
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Weight(including antenna, battery) |
210g |
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Antenna Impedance |
50 |
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Transmitter |
|
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RF Power Output |
5w |
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Modulation Type |
F3E |
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Clutter and Harmonic |
≤ -60dB |
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Residual Radiation |
≤ -40dB |
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Modulation Distortion |
≤ 5% |
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Maximum Frequency Deviation |
± 5kHz |
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Receiver |
|
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Sensitivity |
≤ 0.2µ V |
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Modulatioin Band |
± 5kHz |
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Adjacent Channel Selectivity |
≥ 70dB |
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Intermodulation Immunity |
≥ 65dB |
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Spurious Response Rejection |
≥ 70dB |
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Rated Audio Output Power |
≥ 500mW |
|
Rated Audio Distortion |
≤ 5% |