Color vertical fish finder transmitter circuit

The transducer transmits and receives ultrasonic waves directly below the bottom of the ship to detect targets under the bottom of the ship. The difference is that the former uses fish as the main detection target. The latter uses the seabed as the detection target. The color vertical fish finder launch circuit:

RS232 Wireless Modem is used to replace wired RS232 serial communication cables. PufangTech`s RS232 Wireless Modem can establish a transparent radio serial connection between point to point or among point to multi-point stations in half duplex mode.

The wireless modem has a robust range of 1 to 10Km through buildings and up to 50Km line of sight without any special antenna configurations. It transmits and receives RS232 data at interface baud rates of 1200bps to 115200bps. The low cost unit operates on VHF/UHF frequency band and is modulated with narrow band digital FM.

It can be used in any remote supervision and control applications such as master stations of oil, gas and water pipelines, environmental monitoring, street light control, wastewater pumping stations and OEM applications.

RS232 Wireless Modem

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Shenzhen PuFang Technology Co., Ltd. , https://www.hytelus.com