Sales Inventory
Dive into our world of cutting-edge sonars, advanced navigation equipment, and state-of-the-art software—all crafted to optimize your hydrographic operations.
At ECHO81, we understand the stresses of investing and procuring with the overwhelming number of options in the market today. Let our devoted sales team help you realize the perfect solution to cover every aspect of your requirements.
Whether you have inquiries about our superior products or seeking expert advice, we’re just a phone call or email away!
Browse by Technology.
Find the perfect products tailored to your specific needs
CONTACT INFO
Have a question? Can’t find what you’re looking for? We’d love to hear from you!
Connect with us using the information below.
PHONE
+1 706-522-3022
ADDRESS
481 S. Jackson Street
Hartwell, GA 30643
Hartwell, GA 30643
At ECHO81, we believe in the power of collaboration and are proud to work alongside a network of exceptional partners who share our commitment to excellence. We work with EdgeTech, Kongsberg, Applanix, AML Oceanographic, and many more.
We are always looking for new ways to grow and improve. If you have any questions, feedback, or would like to learn more about how ECHO81 can assist you, please don’t hesitate to Contact Us


















Applanix POS MV OceanMaster INS IP68 (Rental)
Applanix RTK POS MV SurfMaster RM INS
Applanix RTK POS MV WaveMaster II SFF IP68 INS
USM HighTower OTS AL Weld Down Plate
Kongsberg M3 Sonar HF (Rental)
Kongsberg EM 712 Multibeam Echosounder (Rental)
Applanix POS MV WaveMaster II INS (220) (Rental)
Applanix POSPac MMS SmartBase (Rental)
R2Sonic 2022 Multibeam Sonar (Rental)
USM MegaTower OTS Sonar Mount (Rental)
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)
SeaGear Oceanographic Winch (Rental)
USM HighTower Bow Sonar Mount
Applanix Extended POS MV warranty products
USM Compact OTS Sonar Mount
Applanix RTK POS MV OceanMaster RM INS
Innomar Medium-100 Subottom Profiler (Rental)
Training Onsite Customer Location
SEABER YUCO-SCAN AUV
Applanix RTK POS MV OceanMaster SFF INS
USM Compact Sonar Mount VOOP Kit (Rental)
HYPACK MAX & HYSWEEP
Kongsberg EA 440 Single Beam Echosounder
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
CenterPoint RTX Marine
Innomar Compact Subbottom Profiler (Rental)
EdgeTech 4205: Multi-Pulse/Motion Tolerant (MP/MT) Side Scan Sonar
Trimble BX992 (Rental)
Kongsberg EM 2040P MKII Multibeam Echosounder
Kongsberg EM 2042 Multibeam Echosounder
Kongsberg EM 2040 MKII Multibeam Echosounder
EdgeTech 4125i Dual Frequency Side Scan Sonar
Applanix RTK POS MV WaveMaster II RM IP68 INS
Trimble SPS851 DGPS Receiver
Applanix RTK POS MV SurfMaster RM IP68 INS
USM HighTower OTS Sonar Mount (Rental)
USM HighTower Bow AL Weld Down Plate
Kongsberg EM 2040C MKII Multibeam Echosounder
Applanix RTK POS MV SurfMaster SFF IP68 INS
SonarWiz Side Scan Sonar & Subbottom Profiler Processing Software (Rental)
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
Training Onsite - ECHO81 HQ
R2Sonic 2026 Multibeam Sonar (Rental)
Impact Subsea ISA500 Underwater Altimeter
Impact Subsea ISS360 (Rental)
Impact Subsea FMD System
iXblue GAPS M7 USBL (Rental)
R2Sonic Dual Head Mounting bracket 2024 (Rental)
EdgeTech 2300 Combined Tri-Freq Side Scan Sonar & High Res Subbottom Profiler
Applanix GNSS antenna, GA830
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Pole Mount Adapter