2018 Newest Version 50W Full Duplex Cross Repeat TYT TH7800 Dual Band Radio Station
Specification | |
Frequency Range | Dual band: TX: 136-174MHz and 400-480MHz |
AM/FM RX: 108-180MHz,134-174MHz and 350-520MHz | |
Channel Capacity | 809 channels |
Channel Spacing | 2.5/5/6.25/10/12.5/15/20/25/50KHz |
Modes of Emission | F3 |
Antenna Impendence | 50 Ohms, unbalanced(Antenna Duplexer bulit-in) |
Frequency Stability | ±5 PPM-140°F~+140°F(-10-----+60) |
Operating Voltage | -4°F~+140°F(-20-+60) |
Operating Temperature Range | 13.8VDC (±15%). Negative ground |
Current Cunsumption(Approx) | RX: 0.5A (Squelched) |
TX:8.0A (50/430MHz), 8.5A(29/144MHz) | |
Case Size(WXHXD) | 140x41.5x168mm (w/0 knobs & connectors) |
Weight(Approx) | 2.2lb(1Kg) |
Transmitter | |
Output Power | 50/20/10/5W(144MHz), 35/20/10/5W(430MHz) |
Modulation Type | Variable Reactance |
Maximum Deviation | Better than -60dB(29MHz:Better than -50dB) |
Modulation Distortion | Less than 3% |
Microphone Impedance | 2kΩ |
Receiver | |
Circuit Type | Double-conversion super-heterodyne |
Intermediate Frequency | 49.95MHz/450KHz(left band) |
38.85MHz/450KHz(right band) | |
Sensitivity(for 12dB SINAD) | Better than 0.2μV |
Squelch Sensitivity | Better than 0.16μV |
Selectivity(-6dB/-60dB) | 12KHz/30KHz |
Maximum AF Output | 2W 8Ω for 5% THD |
AF Output Impedance | 4-16 ohm |