CALLING TO MOBILE CANNOT BE LESS USING OFF-NET MOBILE PROVIDER !!!!
SAME PROVIDER/ON-NET CANNOT MATCH PSTN CHARGES WHEN CALLING CELULLAR !!!!
So now How much your home/office cost for calling mobile phone numbers ???
I bet it would be more than 85% all celullar destination
Tested with TSEL, ISAT, XL GSM Network. For other GSM Network can be tested before purchase.
User friendly instalation just plug and play.
2 phone connection.
LED indicators for Signal Strength, status and power
SIM Card Locking and Network locking.
Reverse polarity signal support.

Emergency Battery back-up (optional).