Part Number.:#101604

Navigation Sonar system TF640 was specially designed for all kinds of bait boats. It was combined with high Position accuracy GPS, digital wireless sonar and electronic compass. The GPS system let you guiding the boat to any waypoint you saved. The advanced sonar feature show you actual bottom condition and fish, and the electronic compass indicate the instant boat heading direction on screen which make it possible to operate the boat under bad condition, such as night, heave fog, etc. GPS Position Accuracy: 1m(filed test); RC Distance:300m; 500 Waypoint; Digital Wireless Sonar with 80ft depth range; Sonar frequency 455kHz; 4.3" TFT with resolution 480*272Pixels; 65,536 color;


GPS and Compass

GPS data display show: Distance to target, Distance to Home,Speed of boat,Time to Board,Satellite Number,Heading,Bear, Course Memory,Time of day,Main Battery.
Compass indicator of the instant boat heading direction on screen (a red "+" on screen indicate the target)
Indicator of the position and distance to target waypoint and HOME
Boat arriving alarm
Signal lost alarming
Indication of satellite condition by color bar: red(0~satellites); Yellow(3~6); Blue(?6)
Show the current position as latitude/longitude in decimal degrees
20 RF channels allow different users operation at same region without interference
Detailed waypoint information including icon, name, date, etc
Zoom in/Out route display


Adopt brand new digital wireless sonar system
Real time sonar windows display the latest sonar returns
Color Line separates fish and structure from the bottom, and defines bottom hardness.
Display target depth reading above each fish symbol as a guide for quick and precise lure presentations.
Sonar alarm: fish / shallow / low battery(boat battery and display battery)


Windows style of menu system.
Full one-year warranty; extended warranties available


GPS and RF GPS Position Accurancy CEP(circular error probability): 2.5m
Field test position accuracy: 1m
Waypoint storage 500
Route 10
Radio frequqncy 2.4GhHz
RF Range 300m(1000ft)
RF channels 20
Speed of boat yes
Longitude and latitude yes
Satallite 50 Channel
Update rate: 1 second
Hot start<1 second(open sky)
Cold start<48 second(open sky)
Sonar Sonar frequency 455kHz
Depth capability 80ft
Sonar coverage 35degree
Compass Compass built in GPS receiver yes
Compass built in display yes
compass calibration function yes
Communication Data Port NEMA 0183 Data Port (TF650 Only)
Baud Rate: 4800/9600/38400/115200Bps, (Default: 115200Bps)
Upadate Rate:  1Hz
PC Software: Reefmaster Professonal (TF650 Only)
Power Power supply of display 6~12v lithium battery or 8*AA battery
Power supply of controling box Powered by bait boat battery
DC 6~12v / 2.0w (lithium battery or 8*AA battery)
Display Display Size 4.3"TFT LCD; Sunlight Viewable
Resolution 480*272Pixels;  65,536 color
Multi-language Yes
and casing
Sonar unit size 153 x110 x 44mm
Portable case size 262 x 150 x 98mm
GPS receiver cable length 1.0m
Transducer cable length 0.5m
Operational temperature -10°C ~ 50°C