Huawei ETS3023+

GSM900MHz/ 1800MHz, High quality voice service(FR, EFR, HR speech coding), SMS

GSM(Global System for Mobile Communications) standard
Working frequency: EGSM900/ GSM1800
Output power: EGSM900 Class4(2W); GSM1800 Class1(1W)
High quality voice service(FR, EFR, HR speech coding)
Support emergency call, CID(Caller Identification), call transfer, call waiting, call on hold, Three-Way Calling, etc.
Short message service (SMS)
Large-capacity phone book(200)
Dual tone multi-frequency (DTMF) secondary dialing
Personalized volume settings
10 chord ring-tones for incoming calls
Support backlight function
TNC antenna interface, indoor antenna linkable
Battery backup
Multiple security solution: net lock, card lock, etc.(optional)

Shenzhen LETEL Technology Co., Ltd.   Novow - Design