Professional Two-Way Radio
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FD-278B
Built-in 50 groups of CTCSS and 104+1 groups of DCS
Standby time: 120 hours
Super-mini size
Rapid charger and high capacity Li-ion battery
Low battery alert
High-quality audio output
High power output (5/4W)
TOT and monitor functions
Scan function
Programming method:computer
Battery save function
Rain-resistant
Product Details
| Model NO. | FD-278A | FD-278B |
| General | ||
| Frequency Band | VHF | UHF |
| Frequency Range | 136-174MHz | 400-470MHz |
| Channel Capacity | 16 | |
| Operating Voltage | 7.2V DC ±15% | |
| Antenna Impedance | 50Ω | |
| Channel Spacing | 12.5kHz/25kHz | |
| Working Temperature | -30 ℃ - +60 ℃ | |
| Frequency Stability | ±2.5 ppm | |
| Size (Without Antenna) | 50mm(W)x98mm(L)x30mm(D) | |
| Weight(With Battery) | 198g | |
| Battery | 1200 mAh(Li-ion) | |
| Compatible With American Military Standard(MIL-STD-810C/D/E) | ||
| Transmitter（EIA-RS 316B STANDARD） | ||
| RF Power Output | 4W/5W | |
| Modulation Type | F3E | |
| Modulation Distortion | < 5%(300-3000Hz) | |
| Max Freq Deviation | < 5kHz(1000kHz When 100%) | |
| FM Noise | <=-45dB | |
| Receiver | ||
| Sensitivity(12Db SINAD) | 0.16μV | |
| Selectivity | 55dB | |
| Adjacent Channel Selecivity | >=70dB | |
| Noise Respond | >=60dB | |
| FM Noise | 45dB/40dB | |
| Modulation Type | 8K/16KOF3E | |
| Audio Power Output | 500mW When Distortion Less Than 10% | |
| Audio Distortion | < 5% | |
| Operating Bandwidth | ±7.5kHz/3.75kHz | |
| Standby current | <15mA | |
