Simultaneous communication wireless system ST#722LG at a construction site with elevation differences

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ST#722LG - Tanizawa

last updated：Nov 02, 2026

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A long-type antenna communication system recommended for cranes and heavy machinery, capable of communication even in sites with elevation differences, featuring two-way simultaneous voice communication.

The "ST#722LG" is a specific low-power transceiver manufactured by Tanizawa. No license or qualifications are required for use. With a simple button layout and an easy-to-understand Japanese display, it can be easily used even by those who are not familiar with radio equipment. This is a set of two subunits of a flexible communication system that allows simultaneous conversations like a phone call between two people. You can have hands-free simultaneous conversations without any time limits. It is a recommended radio for operations that require timing coordination, such as crane and heavy machinery operations. With a long antenna type that has good signal transmission, reliable communication can be achieved even in sites with elevation differences. We also offer a wide range of dedicated accessories. You can try it for free before purchasing, so please feel free to contact us. 【Features】 ■ Simultaneous conversation like a phone call ■ Long antenna with good signal transmission ■ Usable hands-free ■ Rugged design for use in tough environments ■ Can be used for 10 hours on a single charge *For more details, please feel free to contact us.

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Inquire About This Product

basic information

【Other Features】 ■ Simultaneous calls like a phone ■ Long antenna type ■ Usable hands-free ■ Robust design for use in tough environments ■ Usable for 10 hours on a single charge

Price information

Manufacturer's suggested retail price: 77,900 yen. We will sell it at a discount cheaper than anywhere else, so please contact us for our selling price.

Delivery Time

Please contact us for details

Applications/Examples of results

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