# General Specifications Mk II

<table data-header-hidden><thead><tr><th width="535"></th><th></th></tr></thead><tbody><tr><td>Maximum Depth Exposure (minimum crush depth)</td><td>300 m</td></tr><tr><td>Volume, Receiver Unit</td><td>283ml</td></tr><tr><td>Mass, Receiver Unit</td><td>335g</td></tr><tr><td>Volume, Transmitter Unit</td><td>283ml</td></tr><tr><td>Mass, Transmitter Unit</td><td>298g</td></tr><tr><td>Absolute Maximum Range</td><td>500 m</td></tr><tr><td>Typical Usable Range</td><td>300 m</td></tr><tr><td>Apparent Yaw/Azimuth resolution</td><td>0.1°</td></tr><tr><td>Apparent Elevation angle resolution</td><td>0.1°</td></tr><tr><td>Slant range measurement resolution</td><td>0.1 m</td></tr><tr><td>Slant range error accumulation, Mk II (typical)</td><td>2 m/hr</td></tr><tr><td>Slant range error accumulation, baseline (autosync)</td><td>0.5 m/hr</td></tr><tr><td>IMU Euler angle accuracy, typical (magnetic errors not included)</td><td>2°</td></tr><tr><td>Update rate (per channel)</td><td>1 Hz</td></tr><tr><td>Ping Frequency</td><td>25 kHz</td></tr><tr><td>Receiver-in power <em>(Note: The receiver is designed to allow operation from a laptop USB port using a serial-to-USB adapter)</em></td><td><p>5V to 16V DC</p><p> ~1.5 Watt</p></td></tr><tr><td>Transmitter V-in power <em>(Note: Power supplies must be able to supply burst currents to prevent drop-out and erratic operation. While the transmitter will work with a low impedance 5V supply we recommend using 9V or higher)</em></td><td><p>4.5V to 28V DC</p><p> 1.4W @ 5V</p><p>1.6W @ 28V</p></td></tr><tr><td>Serial Comms Voltage Levels</td><td><p>3.3V TTL or</p><p>5V TTL, auto sense</p></td></tr></tbody></table>

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***Note: Resolution ≠ Accuracy**!*
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