Capable of storing more than 800,000 detections, the VR4-UWM can be deployed for more than six years, making it ideal for site residency and migratory studies ...
The VR4-UWM consists of two acoustic receivers, underwater modem, ID detector, data logging memory, and battery all housed in a submersible case. The acoustic ...
The VR4-UWM has an acoustic modem allowing communication with the surface modem without the need to retrieve the receiver. Commands are sent down to the ...
VR4-UWM coded dual channel acoustic receivers (69 and 180 kHz). Submersible receivers capable of communicating remotely to a surface modem.
The VR4-UWM (Underwater Modem) receiver is a flexible and reliable means of recording fish telemetry data and then transmitting the stored data to a surface ...
These receivers are effectively 2-piece devices, comprising a satellite modem and battery (surface) unit that is attached to a submerged hydrophone via a data ...
Jul 19, 2020 · The VR4 is a submersible receiver capable of identifying all Innovasea coded transmitters and communicating that data remotely to a surface ...
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Model 290/291 Acoustic Tag Receiver Monitor Control Board Upgrade for Windows 7 compatibility. Includes non-differential GPS chipset used for synchronizing and ...
VR3s and VR4s are designed for longer term deployments, and are powered by lithium batteries that last between 5 and 8 years. These receivers feature an ...
The Shark Lab is one of the largest acoustic telemetry labs on the west coast. We have over 100 Vemco VR2Ws omnidirectional acoustic receivers, a VR4 underwater ...
