ULAN BATOR, April 19 (Xinhua) -- Mongolia and Russia signed an agreement here Thursday to promote cooperation in radio frequency and improve communication technology services in Mongolia.

Under the framework of the document, the two sides will work together to improve the quality of communication and information technology services, including digital video and the 4G network for cellphones in Mongolia's border areas.

The two countries also agreed to create a legal environment to mutually operate and monitor radio frequency without interferences from both sides.

The agreement was inked by the communication ministers of the two countries.