Description
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The TH-7800 features 809 programmable memory channels with CTCSS and DSC encode/decode, DTMF encoding/decoding, priority channel scanning, and dual band reception. It’s bandwidth selectable, allowing you to select wide or narrow bandwidth at the press of a button. It’s also power selectable, with options to TX on high. medium or low. The TH-7800 is also a full duplex cross-band and cross-band mobile repeater! Other features include channel Name edit and display, 76-108Mhz FM radio, 1750Hz burst tone, group calls, 8 group voice scrambler, and a built-in fan to keep it cool. TYT also built the TH-7800 with a large, dual frequency LCD display that is easy and comfortable to read, along with a full featured backlit DTMF keypad on the handheld microphone. The front panel as detachable and can be relocated separately from the radio chassis. The included extension cable allows you to install it just about anywhere in your vehicle so you can have it right where you need it. The TYT TH-7800 comes with hand microphone, detachable front panel, mobile mounting bracket, mobile power cord, extension cable, hand microphone hook, fuses, screw packs, an owner’s manual. |
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| Frequency Range | Dual Band: TX: 134-174MHz and 400-480MHz, RX(AM and FM): 108-180MHz, 134-174MHz and 350-520MHz |
| Channel Capacity | 809 Channels |
| Channel Spacing | 2.5 / 5 / 6.25 / 10 / 12.5 / 15 / 20 / 25 / 50 kHz |
| Modes of Emission | F3 |
| Antenna Impedance | 50 Ohms (Antenna duplexer built-in) |
| Frequency Stability | ±5PPM@-140℉~+140℉(-10℃～+60℃) |
| Operating Voltage | -4℉~+140℉(-20℃～+60℃) |
| Operating Temperature Range | 13.8VDC (±15%) |
| Current Cunsumption (approx) | RX: 0.5A (Squelched), TX: 8.0A (50/430MHz), 8.5A(29/144MHz) |
| Case size (W×H×D) | 140 x 41.5 x 168 mm (w/o knobs & connectors) |
| Weight (approx) | 2.2lb (1kg) |
| 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 |
| 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 | 4-16Ω |
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