1. Supports GSM900-1800MHz GSM800mhz>
.
3. Voice volume adjustable
4. No need to dial area code when calling local numbers
5. Automatically connects to IP network when dialing long distance
6. Support Caller ID and Hand free.
7. Incoming call reminder,Last call return
8. Incoming phone divert ;Hands free enabled
"9. Records history: auto saves the last 20 dialed/received phone numbers, and last 10 missed calls
"
10. Lithium rechargeable backup battery optional.
Specifications:
1. Frequency: GSM 900-1800MHz
2. Voltage: DC 12V
3. Temperatures: -10℃~+45℃
4. Stand by hours: 48 Hours
5. Talk time: 2-6 Hours