Frequency Range | US Amateur Radio VHF / UHF Bands 144-148MHz / 420-450 MHz |
Channel Capacity | 4000 channels |
Channel Spacing | 25KHz (Wide Band) 12.5KHz (Narrow Band) |
Phase-locked Step | 5KHz, 6.25KHz |
Operating Voltage | 7.4V DC ±20% (3100mAh) |
Frequency Stability | ±2.5ppm |
Operating Temperature | -20℃~ +55℃ |
Size | 129×61×42mm (with battery pack) |
Weight | 293g (with battery pack) |
Power Output | VHF: 7/5/2.5/0.2W, UHF: 6/5/2.5/0.2W |
Modulation limit | ±5.0KHz@25KHz (Wide Band); ±2.5KHz@12.5KHz (Narrow Band) |
Adjacent Channel Power | ≥70dB (Wide Band); ≥60dB (Narrow Band) |
Hum & Noise | ≥40dB (Wide Band); ≥36dB (Narrow Band) |
Spurious Emission | ≤-36dB (Wide Band); ≤-36dB (Narrow Band) |
4FSK Digital Modulation | 12.5KHz(data)7K60FXD ; 12.5KHz(data+voice)7K60FXE |
Audio Distortion | ≤5% |
Error rate | ≤3% |
Sensitivity (12dB SINAD) | ≤0.25μV (Wide Band) 0.3uV/-117.4dBm (BER 5%) |
Digital Sensitivity | 0.7uV/-110dBm (BER 1%) ≤0.35μV (Narrow Band) |
Adjacent Channel Selectivity | ≥70dB (Wide Band) ; ≥60dB (Narrow Band) |
Spurious Emission | ≤-57dB (Wide Band); ≤-57dB (Narrow Band) |
Spurious Rejection | ≥70dB (Wide Band); ≥70dB (Narrow Band) |
Blocking | 84db |
Hum & Noise | ≥45dB (Wide Band);≥40dB (Narrow Band) |
Audio Distortion | ≤5% |
Audio Power Output | 1000mW/16Ω |