PRODUCTS

Overview:

The digital fiber optic repeater adopts software radio technology, digital filtering technology and digital transmission technology to overcome the shortcomings of analog fiber optic transmission limited by distance and meet the requirements of large dynamic and low noise required for long-distance transmission. Digital fiber optic repeater is far superior to analog fiber optic repeater in terms of frequency selection characteristics, anti-interference ability and function expansion. There is no interaction between digital signal transmission and optical transmission in digital fiber optic repeater. In this way, the digital signal does not decay with the attenuation of optical signal, and the wireless signal path loss between the base station and the repeater is offset. Therefore, in the long distance and high-speed transmission, it can still maintain a high dynamic range, ensure signal quality, and maximize the use of spectrum resources and network equipment; it is equivalent to providing a two-way transparent channel between the base station and the mobile station, extending the wireless signal.

Product Features:

(1).The system adopts the transmission interface conforming to the CPRI standard, and adopts digital technology. The radio frequency does not decay with the attenuation of the optical signal, and the dynamic range remains unchanged during the long distance and multi-path transmission. The digital transmission is less affected by the dispersion of the light. In the short distance of transmission, multimode optical fiber transmission can be used to reduce the cost.

(2).Digital IF technology is used to digitize RF signals and process digital signals in digital domain, which greatly enhances the equipment's ability to process and control signals.

(3).It can support multiple carriers and use high-speed FPGA to track, process and filter each carrier and each time slot of the signal to meet the requirements of noise suppression. The delay of digital transmission can be calculated and corrected to ensure no multipath interference and reduce noise interference to the base station.

(4).Multi-form networking mode: parallel mode, series mode, series-parallel combination mode, ring network mode, one master unit can carry up to 64 remote units.

(5).With a powerful monitoring system, users can monitor and control the operation status of repeaters (including gain, power, alarm and other parameters) in a variety of ways (USB, 4G, Ethernet or WEB) in real time, and can timely and accurately handle exceptions according to the detection results of the system.

(6).All nameplates are laser engraved, beautiful, clear and not easy to wear.

(7).The product categories are complete and can be customized according to the special requirements of customers.

The product series includes: Trunking communication digital fiber optic repeater (PDT, TETRA, iDEN, DMR, PS25 public security communication), UHF, VHF radio communication digital fiber optic repeater, FM radio communication digital fiber optic repeater, digital TV communication digital fiber optic repeater (CMMB, DVB-H, T-DMB, S-DMB), railway communication digital fiber optic repeater (450MHz wireless train dispatching series, GSM-R series), 5G digital fiber optic repeater, 4G LTE digital fiber optic repeater, 3G band (WCDMA, UMTS, CDMA2000) digital fiber optic repeater, 2G band (CDMA, GSM, EGSM, DCS, PCS) digital fiber optic repeater and other systems. The output power is 0.5W (27dBm) to 80W (49dBm).

Product Type:

Wire coupling type, wireless coupling type, SISO type and MIMO type, redundant backup type and non-backup type, band selection type, frequency selection type, single system, dual system, multi-system, etc.

Details: Please contact us