BlackBox VHF Features:

• Frequency Range VHF 150-174Mhz
• Compatible with Motorola radios
• Channel Capacity 16 Channel
• Operation Voltage 6V DC
• Channel Spacing 25 /12.5 Khz
• Modulation Mode F3E
• Antenna Impedance 50 Ohm
• Dimension 108 (L) x 54.2 (W) x 37.4 (H) mm
• Weight 273 g (With Battery & Ant)
• Battery 6V 1100 mAh NiMH Battery

Transmitter:

• Output Power4 Watts
• Frequency Stability +/- 5ppm
• Modulation Limiting +/- 5Khz
• Modulation Distortion < 5%
• Residual Freq. Limiting -40Db
• Adjacent Chan. Power65Db
• Bandwidth <16Khz
• Spurious Emission <7.5uW

Receiver:

• Reference Sensitivity 0.25uV
• AF Output Power>0.5W
• Audio Distortion<5%
• Co-Channel Rejection8Db
• Blocking 85Db
• Adjacent Chan. Sel. 60Db
• Intermodulation Rej. 60DB
• Spurious Response Rej.60Db
• Also Available in UHF

What is in the box:

• 1 BlackBox VHF Radio
• 1 Detachable antenna
• 1 Rechargeable NiMH battery
• 1 Desktop drop-in charger
• 1 AC adapter for charger
• 1 Wrist strap
• 1 Belt clip