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The JRC JQE-103 is a 406 MHz satellite EPIRB designed for the GMDSS/Cospas-Sarsat maritime search-and-rescue system. In an emergency, it transmits a 406 MHz distress signal and a 121.5 MHz homing signal, with automatic or manual activation. The automatic float-free arrangement uses a water-pressure release mechanism.
| Parameter | JRC JQE-103 Specification |
|---|---|
| Manufacturer | JRC – Japan Radio Co., Ltd. |
| Model | JQE-103 |
| Equipment Type | 406 MHz Satellite EPIRB |
| System | Cospas-Sarsat / GMDSS |
| 406 MHz Frequency | 406.028 MHz ± 2 kHz |
| 406 MHz Output Power | 5 W ± 2 dB |
| Modulation | Phase modulation (PSK/G1B) |
| Data Encoding | Bi-phase L |
| Transmission Interval | 47.5–52.5 s, randomized |
| Transmission Duration | 440 ms ± 1% |
| Bit Rate | 400 bps ± 1% |
| Antenna | Vertical whip |
| Antenna Polarization | Linear |
| VSWR | ≤ 1.5 |
| Impedance | 50 Ω |
| 121.5 MHz Homing | Yes |
| Homing Frequency | 121.5 MHz ± 6.075 kHz |
| Homing Output Power | 50 mW ± 3 dB |
| Homing Modulation | AM |
| Homing Sweep | 300–1600 Hz |
| Battery | Lithium manganese dioxide |
| Battery Voltage | 8.4 V nominal |
| Battery Capacity | 10.4 Ah |
| Battery Validity | 5 years after installation |
| Operating Life | ≥48 hours |
| Activation | Automatic and manual |
| Automatic Release Unit | NYH-12 |
| Release Method | Water-pressure detection |
| Release Depth | 1.5–4.0 m |
| Operating Temperature | −20°C to +55°C |
| Storage Temperature | −30°C to +70°C |
| EPIRB Dimensions | 529 × 120 × 116 mm |
| EPIRB Weight | Approx. 1.3 kg |
| Automatic Release Bracket | 585 × 175 × 175 mm |
| Bracket Weight | Approx. 2.9 kg |
| Waterproofing | 10 m for 5 minutes |
| Strobe/Indicator | Xenon lamp, ≥0.75 cd |
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