- Outdoor Cellular GSM Repeater - CDMA, GSM, DCS, UMTS, 3G - 0.5W to 40 Watt - LCD +NMS - 20 years ... of 5 serials product: wireless Repeater, Frequency Shift Repeater, Fiber Optical Repeater, Trunk Amplifier and Pico repeater/Indoor Booster. ... /1.8G Frequency Shift , adjustive band selective, wireless Fiber OpticalHG900-O-W-yy wide band HG900-O-2~8CS ... 20/20/23dBm, Gain=55/60/65dB) gsm repeater 3g