Aug. 12 (Bloomberg) -- Motorola Solutions Inc., the maker of two-way radios and other communications equipment, is planning a $1.4 billion bond sale to help fund pension contributions and refinance existing debt, according to Moody’s Investors Service.

The company intends to sell seven-, 10- and 30-year bonds, according to a person with knowledge of the transaction, who asked not to be identified, citing lack of authorization to speak publicly. The offering will be Motorola’s biggest bond sale since 2007, according to data compiled by Bloomberg.

Proceeds will be used for general corporate purposes, including pension contributions and the redemption of the company’s $400 million of 6 percent senior notes due 2017, according to a regulatory filing.