| Place of Origin |
Guangdong China (Mainland) |
| Brand Name |
OEM |
| Model Number |
ETI544 |
Feature: 1.GPRS and Reverse polarity 2.LCD display 3.Easy installation 4.Displaying signal strength 5.Supports Mini-PABX to connect with GSM 6.Provide feedback signal for payphone 7.Lock SIM card 9.Supports internet function to connect with computer 10.Support calls forbiddance for incoming and dialing 11.Internal or external antenna 12.Using professional wireless module 13.Discount available for large quantity