J4 series is a powerful solution to support operator to improve both indoor and outdoor coverage in single/dual /trib band system. it is embedded with the Intelligent Mode, the repeater becomes an ideal solution to extend the mobile signal coverage and minimize the interference.

With remote monitoring function, users are able to remotely monitor and control Repeater’s configuration status and alarms via a wireless modem. The J4I is easily applied to synthesized frequency hopping. The band selective function, together with the excellent out-of-band rejection, totally avoids improving the competitors’ signal coverage.