Clearwire Corp. a Kirkland based company serving wireless data network, which is mostly owned by Sprint Nextel Corp. said on Thursday that the 4th quarter net loss of the company widened by thirty per cent as its cost hiked. The company’s investment in “4G” a very high speed network more than doubled its revenue adding more than one and half million new customers in the span of the quarter. This resulted in a six times increase in the Clearwire Corporation’s subscriber base when compared to the same in the last year. The Clearwire corp. also said that it was involved in talks with the Sprint Nextel corp. over charging a wholesale fess for its 4G service which is going act as catalysts helping the revenue go forward.

During the period ending on 31st December the Clearwire Corporation lost 128 million dollars or around 81 cents per share. The previous year saw a loss of 98.7 million dollar which is equivalent to 55 cents per share.

The analysts who were polled by FactSet forecasted a loss of 53 cent per share. The revenue was expected at 195.7 million dollar. The actual revenue was close to the prediction which doubled from 79.9 million dollars to end at 180.7 million dollars. The stocks saw a rise of 4 per cent or 19 cents to reach to 5.40 dollar a share during the after hours trading on Thursday. The hike was mainly due to the revenue that was released. The stock finally closed at 5.21dollars down by 3 per cent or 17 cents.

The company previously has been engaged in a dispute with the Sprit Nextel Corp. over how much the later should pay for the data service they receive for phones that run on both the 4G and the current generation high speed 3G networks.