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Staircase 3, Inc.

Irvine, California-based holding company behind Waveform consumer signal boosters and RSRF enterprise in-building cellular systems.

Last updated September 29, 2026

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Overview

Staircase 3, Inc. is an Irvine, California-based holding company founded in 2006 that describes itself as "The Signal Experts." It builds and operates a portfolio of wireless-connectivity businesses serving both consumers and enterprises, with a stated mission of helping customers improve connectivity at home, at the office, or on the go. The company positions itself around three pillars: software and hardware development, outstanding customer support, and deep signal expertise in optimizing in-building wireless systems. The group's operating companies span the cellular signal-enhancement value chain. RSRF is the manufacturer and turn-key solutions provider of in-building cellular signal enhancement systems, with a nationwide deployment team that has installed systems ranging from buildings as small as 10,000 square feet up to over 500,000 square feet. Waveform has been helping consumers improve their cellular signal since 2006 and reports having sold over 20,000 cell phone signal boosting kits to customers in the United States and Canada. SignalStream is a forthcoming suite of applications that will display critical signal information and aid in installing cell phone signal boosters. OpenSignal, the global standard for measuring mobile experience used by over 20 million people, was spun off in 2013 and is now an independent company. Before its 2019 rebrand, the business operated as RepeaterStore. Today Staircase 3 functions as a privately held parent brand that incubates and operates connectivity-focused product and service companies, combining hardware manufacturing, consumer e-commerce, and enterprise installation expertise under one roof.

History

Staircase 3, Inc. was founded in 2006 in Irvine, California. In its early years the business operated under the name RepeaterStore, selling cellular signal boosting equipment and related hardware. One of its consumer-facing operations, Waveform, traces its own start to 2006 as well, when it began helping consumers improve their cellular signal; the company reports having sold over 20,000 cell phone signal boosting kits to customers in the United States and Canada. In 2013, OpenSignal — the mobile-experience measurement platform that grew out of the group's work — was spun off and became an independent company. OpenSignal went on to become a trusted global standard for measuring mobile experience, with more than 20 million users relying on its Android and iOS apps for insight into cellular connectivity. In 2019 the parent business rebranded from RepeaterStore to Staircase 3, adopting a holding-company structure that unifies its connectivity brands under a single corporate identity. Under the Staircase 3 umbrella, RSRF operates as the manufacturer and turn-key solutions provider of in-building cellular signal enhancement systems, with a nationwide deployment team that has installed systems in buildings as small as 10,000 square feet and up to over 500,000 square feet. Waveform continues to serve consumers with cell phone signal boosters and antennas. The company has also announced SignalStream, a coming suite of applications that will show critical signal information and aid in installing cell phone signal boosters. Today Staircase 3 presents itself as "The Signal Experts," a group whose companies help customers improve connectivity whether at home, at the office, or on the go. Its stated focus areas are software and hardware development, customer support, and signal expertise in optimizing in-building wireless systems.

  • 2019

    Parent business rebrands from RepeaterStore to Staircase 3.

  • 2013

    OpenSignal spun off as an independent company.

  • 2006

    Staircase 3 founded in Irvine, California; Waveform begins helping consumers improve cellular signal.

Products and positioning

A holding company of wireless-connectivity brands positioned as "The Signal Experts," serving both consumers and enterprises with signal-enhancement hardware, software, and installation services.

  • Waveform cell phone signal boosters

    Consumer cell signal boosters and antennas; over 20,000 kits sold in the US and Canada.

  • RSRF in-building cellular signal enhancement systems

    Enterprise turn-key distributed antenna systems installed in buildings from 10,000 to over 500,000 sq ft.

  • SignalStream

    Coming suite of applications showing critical signal information and aiding booster installation.

Recent events

  • RepeaterStore rebrands as Waveform[3]

    Reported:

    RepeaterStore changed its brand name to Waveform and revealed its new brand name and logo on November 17.

Sources3 sources

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