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
General | |
Frequency Range | 136~174MHz and 400~470MHz |
Channel No. | 96 |
Channel Spacing | 12.5/25 kHz |
Frequency Stabilization | ± 2.5ppm |
Operating Temperature Range | -20° C ~ +55° C |
Voltage | 7.5v |
Battery | 1600mAh Li-ion |
Dimensions(H*W*D) | 119mm (H)*53mm (W) *32mm (D) |
Weight(including antenna, battery) | 210g |
Antenna Impedance | 50 |
Transmitter | |
RF Power Output | 5w |
Modulation Type | F3E |
Clutter and Harmonic | ≤ -60dB |
Residual Radiation | ≤ -40dB |
Modulation Distortion | ≤ 5% |
Maximum Frequency Deviation | ± 5kHz |
Receiver | |
Sensitivity | ≤ 0.2µ V |
Modulatioin Band | ± 5kHz |
Adjacent Channel Selectivity | ≥ 70dB |
Intermodulation Immunity | ≥ 65dB |
Spurious Response Rejection | ≥ 70dB |
Rated Audio Output Power | ≥ 500mW |
Rated Audio Distortion | ≤ 5% |