4RF sinks deeper into the red on R&D spend, switches banker

4RF sinks deeper into the red on R&D spend, switches banker
Paul McBeth
By Paul McBeth Sept. 6 (BusinessDesk) - 4RF sank deeper into the red in the latest financial year as the Israeli-owned radio equipment maker continued a heavy research and development programme as it chases export markets for its smart radios.  The Wellington-based company's loss widened to $2.5 million in the year ended March 31 from $868,000 a year earlier on largely flat operating revenue of $23 million, financial statements lodged with the Companies Office show. 4RF's Aprisa product range of point-to-multipoint radios for smart monito...