SFE STM-450 car repeater long distance clear voice radio
SFE STM-450 car repeater long distance clear voice radio
1. Frequency Range: 136-174/400-470/470-520MHz
2. Power Output: 60W/25W(VHF) 40W/25W(UHF)
3. 200 Memory Channels and 1 Calling Channel
4. CTCSS/DCS/DTMF Encode and Decode
5. 1750 Tone
6. Channel Step: 2.5(VHF)/5/6.25/10/12.5/15.5/20/25/30/50/100KHz
7. Frequency Scan + Channel Scan + Dual Standby + CTCSS/DCS Scan)
8. Wide/Narrow Bandwidth 25KHz/20KHz/12.5KHz (Selective)
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SFE STM-450 Dual Band Mobile Two Way Radio |
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Frequency Range |
136-174/400-470/470-520MHz |
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Channel Capacity |
200CH |
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Channel Step |
2.5(VHF)/5/6.25/10/12.5/15.5/20/25/30/50/100KHz |
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Operating Voltage |
11.7-15.8V DC |
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Operating Temperature |
-20°C~ +60°C |
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Frequency Stability |
±2.5ppm |
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Antenna Impedance |
50Ω |
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Dimension |
160*43*137mm |
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Weight |
1.2kg |
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Transmitter |
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| Power Output |
25-40W |
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Modulation |
Reactance modulation |
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Spurious Emission |
-60dB or less |
| Maximum Frequency Deviation |
Wide : ±5kHz Narrow : ±2.5kHz |
| Audio Distortion |
3% or less |
| Microphone Impedance |
600Ω |
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Receiver |
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Circuitry |
Double conversion superheterodyne |
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Intermediate Frequency(1st/2nd) |
49.95MHz/450KHz |
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Sensitivity(12dB SINAD) |
0.25μV |
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Squelch Sensitivity |
0.1μV or less |
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Audio Output(8Ω,5% distortion) |
2W or higher(5% distortion) |
|
Audio Output Impendance |
8 Ω |
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