ratType

Radio Access Technology Type -- 无线电接入技术类型

例如：蓝牙、Wi-Fi、3G、4G、LTE和5G。

《3GPP TS 29.571 version 16.6.0 Release 16》中具体定义了如下几种ratType

NR：New Radio

EUTRA：(WB) Evolved Universal Terrestrial Radio Access

WLAN：Untrusted Wireless LAN (IEEE 802.11) access

VIRTUAL：Virtual

NBIOT：NB IoT

WIRELINE：Wireline access

WIRELINE_CABLE：Wireline Cable access

WIRELINE_BBF：Wireline BBF access

LTE-M：LTE-M

NR_U：New Radio in unlicensed bands

EUTRA_U：(WB) Evolved Universal Terrestrial Radio Access in unlicensed bands

TRUSTED_N3GA：Trusted Non-3GPP access

TRUSTED_WLAN：Trusted Wireless LAN (IEEE 802.11) access

UTRA：UMTS Terrestrial Radio Access

GERA：GSM EDGE Radio Access Network