4G FDD(B1/B3), 3G WCDMA (B1). Applicable to some countries in Southeast Asia, such as Thailand, Singapore, Indonesia, Cambodia, Myanmar, Philippines, etc.
MF904-2:
4G FDD(B1/B3/B5/B8), TDD(B38/B39/B40/B41), 3G WCDMA(B1/B5/B8)
Applicable to most countries in Asia, such as Israel, South Korea, India, Kazakhstan, Sri Lanka, Thailand, Japan, Singapore, Indonesia, etc.
MF904-3:
4G FDD(B1/B3/B7/B8/B20), TDD(B38/B39/B40/B41), WCDMA(B1/B8)
Applicable to Europe, Africa, Asia, all countries and regions, such as Russia, Israel, South Korea, Spain, Brazil, Ukraine, France, Italy, Netherlands, India, Nigeria, Switzerland, Kazakhstan, Poland, Ghana, etc.
MF904-4:
4G FDD(B2/B4/B5/B12/B17), 3G WCDMA(B2/B4/B5)
Suitable for countries and regions in North America, South America, Central America, such as the United States, Chile, Mexico, Colombia, etc.