Entel HT649
GMDSS marine VHF handheld with 19 preset channels, low-power (<1W ERP) transmission, and a primary lithium battery for 17.5 hours of standby-ready operation.
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AMEC

The AMEC Plomo 500 is a floating AIS Search and Rescue Transponder with a 96-hour minimum battery life and IEC 61097-14 certification.
Technical
| Applicable Standards | IEC 61097-14 Ed. 1: 2010; IEC 60945 Ed. 4: 2002 incl. Corr. 1 (2008); ITU–R M.1371-5: 2014; IMO Resolution MSC.246(83) |
|---|---|
| VHF Operating Frequency | AIS 1, 161.975MHz; AIS 2, 162.025MHz |
| VHF Data Rate | 9,600bps |
| VHF Bandwidth | 25 KHz |
| VHF Power Output | 1W EIRP |
| AIS Message Type | Message 1, Message 14 |
| VHF Modulation | GMSK |
| VHF Antenna | Integrated by PCB |
| GPS Receiving Channels | 72 channels |
| GPS Acquisition Sensitivity | (-)159 dBm |
| GPS Tracking Sensitivity | (-)159 dBm |
| GPS Position Accuracy | < 2.5 m Autonomous & SBAS |
| Battery Type | Primary Lithium (not rechargeable) |
| Battery Operating Life | 96 hours minimum |
| Battery Storage | 6 years |
| Battery Service | Replaceable |
| Carry & Mounting | Wall Mount; Carry Bag |
| Operating Temperature | -20°C~55°C |
| Storage Temperature | -30°C~70°C |
| Waterproof | Immersion to 10m |
| Buoyancy | Floats |
| Exterior Finish | Highly Visible Yellow |
| Compass Safe Distance | Standard Magnetic – 0.60 m; Steering Magnetic - 0.40 m |
| Max Diameter (Main Body) | 70 mm (2.76 inch) |
| Length (Main Body) | 300 mm (11.81 inch) |
| Weight (Main Body) | 283 g (Battery included) |
| Length (Pole) | 1050 mm (41.34 inch) (Extended) |
| Weight (Pole) | 300 g |
| Weight (Storage Package) | 1.08 kg |
Overview
The AMEC Plomo 500 is an AIS Search and Rescue Transponder (SART) that transmits Message 1 and Message 14 AIS alerts at 1W EIRP on the AIS 1 and AIS 2 frequencies, paired with a 72-channel GPS receiver accurate to better than 2.5m. Its highly visible yellow housing floats, is rated for immersion to 10m, and extends to a 1050mm pole for maximum visibility, while the replaceable primary lithium battery provides a minimum of 96 hours of operating life and a 6-year storage life. Complete with a carry bag and wall mount, the unit weighs 283g on its own and 1.08kg in its full storage package, and meets IEC 61097-14, IEC 60945 and ITU-R M.1371-5 standards along with IMO Resolution MSC.246(83).
Questions
It is rated for immersion to 10 m and is buoyant (floats), with a highly visible yellow exterior finish.
The primary lithium (non-rechargeable) battery provides a minimum operating life of 96 hours and a storage life of 6 years, and it is replaceable.
Position accuracy is better than 2.5 m, both in autonomous and SBAS-augmented modes.
It meets IEC 61097-14 Ed. 1:2010, ITU-R M.1371-5:2014 and IMO Resolution MSC.246(83).
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