More Chicom: CH-3300H VHF Mobile

At first glance all the Chicom radios seemed to be well known models with just another label sticked to them. When browsing the website once more, I ran into this very interesting 65-Watt VHF mobile, the CH-3300H.

All controls are on the microphone instead of on the box itself. I know from experience that this is very user friendly, and will prevent you from getting too much distracted while driving. Pity it ain’t dual band! No price is mentioned.




Frequency coverage: TX/RX: 136–174MHz
Number of channels: 207 (including 6 scan edges, and 1 call)
Type of emission: F2D, F3E (FM)
Power supply requirement: 13.8V DC ±15%
Current drain: TX (65W) 11A
Rx Stand-by: 0.4A     Max. audio: 1.5A
Antenna impedance: 50Ω (SO-239)
Operating temperature range: –10°C to +60°C; 14°F to +140°F
Dimensions: (projections not included; W×H×D): 140×40×162 mm
Weight (approx.): 1.1 kg


Output power (at 13.8V DC): 65W, 25W, 10W, 5W
Max. frequency deviation: Wide ±5.0kHz Narrow ±2.5kHz
Spurious emissions: Less than –60dBc
Frequency stability:±3ppm
Microphone impedance: 600Ω (8-pin modular)


Intermediate frequencies: 46.35MHz/450kHz
Sensitivity at 12dB SINAD: Less than 0.18μV


Wide: More than 6kHz (at 6dB)/Less than 14kHz (at 60dB)
Narrow: More than 3kHz (at 6dB)/Less than 9kHz (at 55dB)
Spurious response rejection: More than 60dB
Audio output power: 4.5W typ. (10% dist. 4Ω load)

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