Garmin GT21-TM Transom Mount Transducer | 010-01962-10

The Garmin GT21-TH is perfect for coastal and offshore fishermen who want traditional sonar and CHIRP DownVü scanning sonar with a stainless steel stem, this thru-hull mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat. The CHIRP DownVü element has a power rating of 500 W and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It includes a built-in fast-response temperature sensor. For hull deadrises less than 25 degrees. The GT21-TH includes an 8-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat 

• 8-Pin Transom Mount Transducer
• Frequency - Traditional: 50/200 kHz | DownVü: CHIRP 245-275 kHz and CHIRP 445-465 kHz
• Transmit power - Traditional: 600 W | DownVü: 500 W
• Max Depth - Traditional: 1,500 ft | DownVü: 1,000 ft
• Beam Width (°) LF/HF (-3dB) - Traditional: 40/10 | DownVü: 2.0x51@260, 1.4x29@455
• Dimension - Transducer: 9.0 x 2.5 x 1.6 in (228 x 62 x 41 mm) | Thru-hull Stem: Ø1.0 x 5.3 in (Ø24 x 135 mm) | Thru-hull fairing block: 12.7 x 4.6 x 2.5 in (323 x 116 x 64 mm)
• Weight - 4.79 lbs. (2.17 kg)
• Cable Length - 30ft

MANUALS & GUIDES

*If you have trouble opening the pdf file, please try installing Adobe Acrobat reader on your device.