Yes

Yes, also known as YTL Communications Sdn. Bhd., is a telecommunications network operator based in Malaysia. As the fifth mobile network operator in the country, the company is headquartered in Kuala Lumpur and operates as a subsidiary of YTL Power International Berhad. This makes Yes YTL Communications the communications branch of YTL Corporation Berhad, a significant infrastructure conglomerate in Malaysia. The company uses the native dialling prefix identifiers of 018 and 011-1. The official launch of Yes took place on 19 November 2010 in Kuala Lumpur, marking it as the first in the world to commercially introduce a converged 4G network on a national scale. This launch was based on IEEE Broadband Wireless Access Standards (WiMAX) and at the time, the company claimed to cover 65% of the nationwide population, making it the largest 4G network in Malaysia. Yes began operations with a prepaid service, and later introduced a postpaid version known as the Super Postpaid Plan in 2012. The company launched its 4G LTE4G LTE: 4G LTE (Long Term Evolution) or the E-UTRAN (Evolved Universal Terrestrial Access Network), introduced in 3GPP Rel. 8, is the radio access component of the Evolved Packet System (EPS) - a purely IP based mobile network standard. As an evolution to 3G UMTS, 4G LTE shares many similarities, such as… services, including VoLTE, on 30 June 2016, and in January 2018, Yes announced that its nationwide network fully supported 4G+ or LTE-Advanced.