Radio transmitter Lt-558UV safety guard equipment, dual guard/double standby

Radio transmitter LT-558UV security guard equipment with dual watch/dual standbyMain features: 1. Emergency Alarm Function2. TOT (Time-out timer)3. High/Low Power Switchable4. PC Programmable5. Wide Channel spacing: 12.5K /25K6. Monitor7. Auto Battery Save8. CTCSS-50/CDCSS-1059. VOX10. Ending sound silence11. Low Batte

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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

                                                                                            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%

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