Garmin T20 Owner'S Manual Download Page 10

VHF Radio Information

This product may be used only on specific radio frequencies, which vary depending on the country of use. The 
navigator and dog collar device allow the user to install a different antenna. Changing the antenna can result in 
improved radio performance and higher radiated power. You must not use the device with a third party antenna 
or an antenna not approved by Garmin. Go to 

www.garmin.com/tracking-legal

 for details about the performance 

and radio frequency of this product, lawful accessories, and power limits for countries.

Dog Collar Device Specifications

Battery type

Rechargeable, replaceable lithium-ion

1

Optional extended battery box accessory available

2

Battery life

Up to 68 hr.
Up to 136 hr. with optional extended battery box accessory

Operating temperature range

From -20° to 60°C (from -4° to 140°F)

Charging temperature range

From 0° to 40°C (from 32° to 104°F )

Storage temperature range

From -20° to 70°C (from -4° to 158°F)

ANT

®

 wireless range

Up to 10 m (32.8 ft.)

VHF radio range

Up to 14.48 km (9 mi.)

Wireless frequencies/protocols

152-169 MHz @ 23.1 dBm maximum, 2.4 GHz @ 12.33 dBm maximum

EU SAR

0.15 W/kg simultaneous torso, 0.15 W/kg simultaneous limb 

Water rating

1 ATM

3

Appendix

Purchasing Accessories

• Optional accessories are available at 

garmin.com

 or from your Garmin dealer.

Only for use with Garmin part number 361-00035-16.

Only for use with Garmin part number 361-00148-00.

The device withstands pressure equivalent to a depth of 10 m. For more information, go to 

www.garmin.com/waterrating

.

6

Appendix

Summary of Contents for T20

Page 1: ...T20DOGCOLLARDEVICE Owner sManual...

Page 2: ...om for current updates and supplemental information concerning the use of this product Garmin the Garmin logo and Alpha are trademarks of Garmin Ltd or its subsidiaries registered in the USA and other...

Page 3: ...cking and Training 3 Dog Tracking 3 Dog Training 4 Communication with the Dog Collar Device 4 Using a Dynamic Update Rate 4 Using Sleep Mode 5 Device Information 5 Getting the Owner s Manual 5 Product...

Page 4: ......

Page 5: ...n Dog Collar Device VHF antenna GPS antenna Power button Status LED Flashing beacon LEDs Turning On the Device On the dog collar device hold the power button until the status LED flashes and the colla...

Page 6: ...ls before you put the dog collar device on your dog Acquiring satellites can take a few minutes 1 Go outdoors to an open area 2 Turn on both devices in the status bar shows the GPS signal strength Whe...

Page 7: ...cing up and the LEDs facing forward 2 Place the collar around the middle of the dog s neck 3 Tighten the strap so it is snug around the dog s neck and fasten the buckle NOTE The collar should fit tigh...

Page 8: ...y the dog collar device Training Methods NOTE Training features are not available in all areas for tracking collars Tone Activates an audible tone the entire time you press the training button Vibrati...

Page 9: ...n paired with a navigator that supports the setup of Wi Fi technology on a dog collar device the dog collar device can scan for nearby Wi Fi networks and pair to a selected network When the dog collar...

Page 10: ...ssory available2 Battery life Up to 68 hr Up to 136 hr with optional extended battery box accessory Operating temperature range From 20 to 60 C from 4 to 140 F Charging temperature range From 0 to 40...

Page 11: ...he status LED and charging clip connectors on the battery You must install the new battery the same way 5 Remove the battery NOTE Ensure the gasket or battery seal is removed with the used battery Ver...

Page 12: ...og collar flex band 3 Place the new dog collar flex band on the back plate and tighten the 2 screws to secure it Replacing the Dog Collar Strap Before you replace the dog collar strap you must remove...

Page 13: ...e VHF antenna cover 3 Remove the screw securing the VHF antenna to the back plate 4 Pull the length of the antenna from the antenna guide to remove the old antenna 5 Thread the new VHF antenna through...

Page 14: ...support garmin com GUID 74035D64 33C8 4CC0 8053 23CB54692716 v1 May 2023...

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