Figure 3 | Scientific Reports

Figure 3

From: An injectable acoustic transmitter for juvenile salmon

Figure 3

Photographs of the injectable transmitter and the PNNL-developed micro-battery used by the injectable transmitter: (a) the injectable transmitter; (b) the micro-battery standing next to a commercial 337 button-cell battery which is used by the existing commercial JSATS transmitters.

(photos by H.L.)

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