FT1 Transmitters
| Product ID | FT1 | FT1S |
|---|---|---|
| Depth Range | 50 ft 15.2 m |
25 ft 7.6 m |
| Data Range, Max Mode | 65 ft 19.8 m |
30 ft 9.1 m |
| Frequencies | 9.0 to 13.5 kHz | 9.0 to 13.5 kHz |
| Battery Type (hours awake/asleep) |
2 C-cell alkaline (20/200), or 1 SuperCell (70/400) |
123 3V Lithium (up to 12 hours) |
| Maximum Temperature | 220° F 104° C |
180° F 82° C |
| Length x Diameter | 15 x 1.25 in. 38.1 x 3.175 cm |
8 x 1.0 in. 20.3 x 2.54 cm |
| Weight | 1.65 lb 748 g |
0.5 lb 240 g |