Blackbox Blackbox-M - Specifications

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technology.
General
Frequency Range
VHF: 136-174MHz
UHF: 400~490MHz
Number of Channels 200 channels
Channel Spacing
25K (Wide Band)
20K(Middle Band)
12.5K (Narrow band)
Phase-locked Step
5KHz, 6.25KHz, 8.33KHz, 10KHz, 12.5KHz,
15KHz, 20KHz, 25KHz, 30KHz, 50KHz
Operating Voltage 13.8V DC ±15%
Squelch Carrier/CTCSS/DCS/5Tone/2Tone/DTMF
Frequency Stability ±2.5ppm
Operating Temperature -20
ą
~+60
ą
Dimensions(WxHxD) 145 (W) x 47 (H) x 190 (L)mm
Weight about 1.2Kg
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Wide band Narrow band
Sensitivity
(12dB Sinad)
ȝ9 ȝ9
Adjacent Channel
Selectivity
G% G%
Intermodulation G% G%
Spurious Rejection G% G%
Audio Response +1~-3dB(0.3~3KHz) +1~-3dB(0.3~2.55KHz)
Hum & Noise G% G%
Audio distortion 
Audio power output
Ὕ
2W@10%
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Wide band Narrow band
Power Output 55W /25W/10W(VHF) 40W /25W/10W(UHF)
Modulation .ĭ)( .ĭ)(
Adjacent Channel
Power
G% G%
Hum & Noise G% G%
Spurious Emission G% G%
Audio Response +1~-3dB(0.3~3KHz) +1~-3dB(0.3~2.55KHz)
Audio Distortion 
Specifications