SP100 SonarPhone with Transducer Pod. The World's Most Portable Powerful Wi-Fi Fishfinder. The SP100 T-POD is an ultra portable, Wi-Fi transmitter system that has a self-contained battery. It can be pulled behind your boat, cast or thrown out from shore. Its unique shape allows the T-POD to track in the water perfectly straight at speeds up to 5 miles per hour. The SP100 has a transmit range of up to 100 yards and will run for up to 4 hours on a single charge. Re-charging is easy, you can use either your computers USB port or the supplied USB wall plug charging cube. Water activated, the T-POD turns on and off automatically to save power. The SP100 has a single beam, 30 degrees wide-angle beam signal using a 125 kHz transmit frequency. The SP100 T-POD is the most powerful portable Wi-Fi transmitter in the world, and it easily fits into your pocket so you can take it anywhere, and yet it weighs only 4 ounces! SonarPhone will rival most high-end sonar on the market today. Using Wi- The World's Most Portable Powerful Wi-Fi Fishfinder. The SP100 T-POD is an ultra portable, Wi-Fi The SP100 has a transmit range of up to 100 yards and will run for up to 4 hours on a single charge. The SP100 T-POD is the most powerful portable Wi-Fi transmitter in the world, and it easily fits int Compatibility iOS 4.3 iPhone, iPad and Android 2.0. Free App download Automatic Ranging Water Temperature and Depth Indicator Audible Alarms for Fish, Shallow and Low Bat