Home1994 Treaties and Agreements ...Mexico (94-308) – Telecommunication Services Use of the 17.7-17.8 GHz Frequency Band hide Mexico (94-308) – Telecommunication Services Use of the 17.7-17.8 GHz Frequency Band TIAS Office of Treaty Affairs March 8, 1994 Telecommunication: Use of 17.7-17.8 GHz Band Agreement signed at Washington June 21, 1993; entered into force March 8, 1994. Download Agreements [2 MB] Tags Mexico Treaties Treaties and International Agreements