Gsm frequency shifting repeater Product description Gsm signal repeater including broad band repeater, band selective repeater; frequency selective repeater; fiber opital repeater; frequency shifting repeater. Today we draw your attention to our gsm frequency shifting repeater. *system 1)frequency range: Uplink 890~915mhz(6m, 19m, 25m are available) Downlink 935~960mhz(6m, 19m, 25m are available) 2)transmission delay:
