ClearRF LLC, a Spokane Valley company with ties to manufacturer Servatron Inc., has been acquired for $700,000, according to proprietary market data software subscription platform PitchBook. Montreal, Canada-based Siyata Mobile reached a definitive agreement to buy Servatron on March 24, PitchBook data indicates. A representative of ClearRF couldn’t be reached immediately for comment. ClearRF, a producer of wireless phone signal amplifiers designed to provide a consistent signal and prevent dropped calls, was founded in 2009 by six Servatron Inc. employees, including Servatron principals Tod Byers, John Muskulin, and Keith Swenson. The company is located within Servatron’s Spokane Valley offices at 12825 E. Mirabeau Parkway. Servatron is also the contract manufacturer for ClearRF.