Specifications:

1s (4G Netcom + RJ11 Telephone Line + Network Port))

1SI(RJ11 telephone line + RJ45 network port)

3S(4G Netcom + RJ11 Telephone Line + Network Port)(4G +64g)

KT5(1S)4G Netcom RJ11 Telephone Line Port)(4G 64G)

KT5(1S)(single-mode RJ11 telephone line)(4G 64G)