SKU: IHPR-45-43W95

Band 31 450MHz 43dBm ICS High Power Repeater

Download Datasheet (PDF)

The EMTS Telecom Services 450 MHz Band Selective ICS High Power Repeaters (IHPR), supporting band-31, provide an excellent solution to the problem of poor signal coverage for coverage extension and in building & outdoor applications. The IHPR amplifies the signals from mobile phones and base stations and can be used in dead areas where coverage is poor. The EMTS IHPR also improves cellular network capability by improving data coverage in areas with limited signal strengths. The repeater is connected to an outdoor donor antenna using a coaxial cable. The donor antenna transmits signals from mobile phones and receives signals from the BTS service antennas placed in dead zones or towers for outdoor applications. Signals from mobile phones used in the dead zones are then received by the service antenna and transmitted to the IHPR donor antenna, which transmits the signals to the base station. The Repeater Advanced Adaptive Echo Interference Cancellation technology always provides optimized signal coverage. The special design allows fast network deployment, real-time isolation detection, and ICS operation, ICS (Interference Cancellation System) eliminating oscillation between Service and Donor Antennas using Digital Signal Processing.

Key Features

  • 43dBm composite Downlink power meetsLTE standards(Optional 5G)
  • Advanced Adaptive Echo Interference Cancellation technology, the ICS (Interference Cancellation System)eliminates oscillation between Service and Donor Antennas using Digital Signal Processing, designed for Band-31
  • Intelligent design, with built-in ALC function& Oscillation Prevention
  • Advanced GUI, Automatic Level Control for tuning free setup
  • Compact sizeand High Performance at IP-65 enclosure for an outdoor installation, Low power consumption& sleeping mode (saving power)
  • Local setting via USB, Remote managementfor Configurablealarms using EMTS NMS (Network Monitoring System)
Technical Specifications
Electrical Specification
Uplink Downlink
Frequency Range (452.5-475.5 MHz) 462.5-467.5 MHz
Gain 93dB +/-3dB
Composite output power (30dBm) 43 dBm
Gain Control Range 0-30dB
Out of Band (± 400 KHz) ≥ 25 dBc
Rejection (± 600 KHz) ≥ 35 dBc
± 1 MHz ≥ 40 dBc
± 5 MHz ≥ 50 dBc
Spurious Emission In-band ≤36 dBm 9KHz – 1 GHz ≤ 36 dBm / 100 kHz 1 GHz – 12.75 GHz ≤ 30 dBm / 100 KHz
Intermodulation (9 KHz~1 GHz) ≥ 45dBc / ≥ 36dBc
Products (1 GHz~12.75 GHz) ≤ -30 dBm / ≤ -30 dBm
Noise Figure 5 dB
EVM 8% (optional 3.5%)
Operating Maximum Gain ≥ Antenna Isolation + 10dB
Oscillation Protection Using (ICS) Interference Cancellation System
Group Delay 5 µ Sec. Maximum
Pass Band Ripple 2 dB p-p
VSWR 1.5:1
Power Supply 110-264/45-60 Hz VAC(optional -48vdc)
Power consumption 200watts
RF Connector / Impedance N female / 50 ohm
Size Locked aluminum wall mount case 480×420×295 mm
Weight 18 kg
Enclosure IP65 Box ready for wall or poll mount installation
Work temperature -30 º C to +55 º C
Enclosure cooling Convection
Local setting Using USB cable
Remote Management Via Wireless LTE modem using EMTS NMS
MTB >100,000 hours
Conformance Standard Safety: EN 60950, EMC: ETSI 301 489-50, ETSI 301 489-1, Radio: ETSI 301 908-11, ETSI 301 908-15
3GPP standards TS 25.106, TS 36,106, TS 38.104

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