Sensors for VHF Equipment

vhf sensors for wildlife
We offer extra sensors that include:

Activity-inactivity-mortality sensor: Available only on TXE and TXF models. This sensor allows you to know if the animal is moving or not, or if it has died (or the transmitter has fell from the animal). This is done by a change in the number of beeps per minute and works as follows: Standard mode is Active which will remain as long as there is movement within the pre-determined period of time (usually 4 to 10 seconds); if there is no movement within this period of time the unit will switch to Inactive and start to beep at a slower rate (e.g. instead of beeping once every second it will beep once every 1.5 seconds); if there is no movement for hours (usually 4 or 6 hours) then the unit will switch to Mortality mode and will start to make a double beeping (sounds like beep-beep———beep-beep——); any movement will make the unit reset and go back to Active mode.

Posture sensor: It is used on very specific applications and needs to be defined previous to its purchase. It allows you to know when the animal gets in a specific position. For example, when a bat is hanging on the caves, when a deer has lowered its head (to drink water or some other reason), or when a bird is flying and when it’s not. This is done by gravity; the sensor consists of a cylinder which has a metallic ball, on one end it makes connection and on the other end and in the middle way it doesn’t make connection. So the sensor is installed in a specific position so it will make connection and change its number of beeps per minute when the desired position is achieved.

Water sensor: Pulse rate changes when the animal is submerged or out of the water. Pulse rating can be specified by the user.

Specialized Technology

VHF TGB TGSAT

Technologies

VHF

While its use requires human interaction, this is the most cost-effective, smallest, lightest and longest lasting option for wildlife tracking.

Also known as radio-tracking. Electromagnetic signals are broadcasted by the unit attached to the animal. These signals are received by a specialized wildlife tracking receiver and a directive antenna which allows you to determine in which straight direction the signal is coming from.

Tracking distance between animal's unit and receiving system:
- Up to 40 km (25 miles) under ideal conditions and strongest units
- 500 meters to 10 km (0.3 to 6 miles) in most real-life conditions, depending on type of unit, specie and local conditions.

We offer some of the smallest radio tracking equipment available in the world. Developed with the greatest quality and components to withstand wildlife treatment. Customized to best suit your needs.

Extra optional capabilities:
- Activity-Inactivity-Mortality sensor
- Posture sensor (between 2 customer-specified options)
- Water sensor
- Drop-off

TGB

GPS receiver, several sensors and communication through a medium-range handheld device.

This is the most affordable GPS tracking option when you can...
- Periodically visit the area where the animal roams,
- Leave the handheld device in the area so it will automatically download all stored data. You can set an array of handheld devices which can even be regular android Tablets or Mobile phones,
- Periodically immobilize the animal to communicate with the unit on-demand,
- Wait until unit is physically recovered (animal is recaptured, unit drops by the use of a drop-off system, etc)

Communication distance between animal's unit and handheld device:
- Around 1 km in ideal conditions
- 100 to 300 meters in most real-life conditions

Developed with the greatest quality and components to withstand wildlife treatment. Customized to best suit your needs.

Among its main features are the best and latest in hardware and software technology available, along with the following extra capabilities:
- 3 axis Magnetometer
- 3 axis Accelerometer
- Activity Level
- Speed
- Satellites Acquired and HDOP
- Temperature
- Battery voltage
- VHF transmitter
- Activity-inactivity and Mortality on its VHF tracking feature
- Drop-off (Optional)
- Water sensor (Optional)

TGSAT

GPS receiver, several sensors and main data communication through Iridium's Satellite constellation which offers worldwide coverage.

Receive all data automatically and directly to your computer by simply visiting a webpage.

Developed with the greatest quality and components to withstand wildlife treatment. Customized to best suit your needs.

Among its main features are the best and latest in hardware and software technology available, along with the following extra capabilities:
- 3 axis Magnetometer
- 3 axis Accelerometer
- Activity Level
- Speed
- Satellites Acquired and HDOP
- Temperature
- Battery voltage
- Geofence
- VHF transmitter
- Activity-inactivity and Mortality on its VHF tracking feature
- Drop-off (Optional)
- Water sensors (Optional)

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