In 1994, the AMTA spawned a sister organization IWTA (International Wireless Telecommunications Association), which represents similar interests on a worldwide basis.See also SMR. www.amtausa.org.

• 1994年，AMTA诞生了一个姐妹组织IWTA（国际无线电信协会），代表世界范围内的类似电信行业利益。