<b>Additional Technical Specifications:<br><br> General:<b><br> Frequency Range: 136-174MHz (V) , 400-480MHz (U)<br> Channel Capacity: 4000 channels<br> Channel Spacing: 25KHz (Wide Band) ,12.5KHz (Narrow Band)<br> Phase-locked Step: 5KHz, 6.25KHz<br> Operating Voltage: 7.4V DC ±20% <br> Frequency Stability: ±2.5ppm<br> Operating Temperature: -20℃~ +55℃<br> Size: 129×61×39mm (with battery pack)<br> Weight: 282g (with battery pack, antenna)<br><br> <b>Receiver:</b><br> Sensitivity: (12dB SINAD) ≤0.25μV (WB), ≤0.35μV (NB)<br> Digital Sensitivity: 0.3uV/-117.4dBm (BER 5%); 0.7uV/-110dBm (BER 1%)<br> Adjacent Channel Selectivity: ≥70dB (WB) ≥60dB (NB)<br> Spurious Emission: ≤-57dB (WB) ≤-57dB (NB)<br> Spurious Rejection: ≥70dB (WB) ≥70dB (NB)<br> Blocking: 84db<br> Hum & Noise: ≥45dB (WB) ≥40dB(NB)<br> Audio Distortion: ≤5%<br> Audio Power Output: 1000mW/16Ω<br><br> <b>Transmitter:</b><br> Power Output VHF: 7/5/2.5/1W, UHF: 6/5/2.5/1W<br> Modulation: ±5.0KHz@25KHz (WB) ±2.5KHz@12.5KHz (NB) Adjacent Channel Power: ≥70dB (WB) ≥60dB (NB)<br> Hum & Noise: ≥40dB (WB) ≥36dB (NB)<br> Spurious Emission: ≤-36dB (WB) ≤-36dB (NB)<br> 4FSK Digital Modulation: 12.5KHz（data）7K60FXD; 12.5KHz（data+voice）7K60FXE<br> Audio Distortion: ≤5%<br> Error rate: ≤3%