Descent T1 Specifications

Battery

3 V CR123A lithium

Battery life

Up to 100 hr.

Thread type

7/16 in. (20 UNF)

Normal operating temperature

From -20 to 60°C (from -4 to 140°F)

Underwater operating temperature

From 0 to 40°C (from 32 to 104°F)

Storage temperature

From -30 to 70°C (from -22 to 158°F)

Wireless frequency

2.4 GHz @ 0 dBm

Surface transmission range (ANT® wireless technology)

Up to 10 m (33 ft.)

Underwater transmission range (sonar)

Up to 10 m (33 ft.)

Water rating

11 ATM1

Pressure rating

300 bar (4351 psi)

Inspection interval

Inspect parts before each use for damage. Replace parts as needed.2

1 The device withstands pressure equivalent to a depth of 110 m. For more information, go to garmin.com/waterrating.
2 Aside from normal wear and tear, performance is not affected by aging.
GUID-4A2D3019-BA14-49BD-B371-4214D187D493 v7
May 2024