|Operating Temperature||10 Deg.C To +50 Deg.C|
|Power Supply||144 - 175 VA|
Crystal is a professionally managed Hi-Tech Group of companies. rnrnThe group entered the field of Telecommunications in the year 1981 and has already established it's superiority in these two decades of operation.Crystal is an ISO 9001:2000 certified company. We are the leading supplier of Crystal EPABX System in west bengal.