| Item Number | TYT-777 |
| General | |
| Frequency Range |
134~176MHz / 350-39MHZ 245MHZ, 400-470MHZ / 446MHZ, 465-520MHZ |
| Channel No. | 128 channels |
| Channel Spacing | 5, 10 , 12.5 ,25 kHz optional |
| Antenna Impedance | 50Ω |
| Mode of operation | Simple or semi-duplex |
| Operating Voltage | 7.2V DC |
| Working Temperature | -20～-50℃ |
| Dimensions | 115x 60x 32 mm |
| Weight | 210g |
| Transmitter | |
| Output power | ≤5W |
| current | ≤1.6A |
| MaxImum Deviation | ≤5kHz |
| Frequency Stability | ±2.5ppm |
| Occupied bandwidth | ≤16kHz |
| Modulation Type | 16kΦF3E |
| Modulation Character | +1dB~3dB |
| Spurious Radiation | ≤0.75μW |
| Adjacent Ch. power | ≥60dB |
| Receiver | |
| RF Sensitivity | 0.2μV |
| Audio Distortion | ≤10% |
| Co-channel suppression | ≥-8dB |
| Adjacent Ch. Selectivity | ≥60dB |
| Intermediation response | ≥60dB |
| Spurious response | ≥60dB |
| Blocking | ≥85dB |
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