Tower repeater

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In the communication system, the TMA can be used to enhance coverage and improve up-link signal quality. The TMA is set close the antenna. There are two RF connectors on TMA. One is the connector to antenna, the other is to BTS. The connector that connect to BTS also provide the DC supply for TMA by bias tee. General Performance 1.1 Reliability: MTBF > 1000,000 (Hours). 1.2 Working Temperature: -40 ºC ~ +65ºC 1.3 Storage Temperature: -40 ºC ~ +75ºC 1.4 Humidity: Relative Humidity 5 ~ 95% 1.5 Altitude Range: 0 ~ 3050M(10000feet) 1.6 Surge Protection: 8/20us, 20KA 1.7 Environment : Meet IP68 and ETS 300 019 relative requirements 1.8 (EMC): Meet ETS 300 342-3 requirement. Electrical Performance Unless stated otherwise, all the following parameters are guaranteed in the ambient temperature of -40 ºC ~ +65ºC. 2.1 TX Pass Band: 935 – 960 MHz RX Pass Band: 890 – 915 MHz 2.2 TX Path IL: < 0.5 dB RX Path Gain in Normal Mode: 12.0 ± 1.0 dB RX Path Bypass Mode IL : <2.2 dB (Typical in room temperature 1.9 dB) 2.3 TX In Band Ripple: < 0.3 dB RX In Band Ripple, for Both Modes: < 1.0 dB 2.4 (VSWR) TX Path: >18dB (<1.29:1) RX Path Normal Mode: >18dB (<1.29:1) RX Path Bypass Mode: >14dB (<1.50:1) 2.5 RX Path Frequency Response 2.6 Intermodulation (IM) Between 890 – 915MHz, all the IM products < -118 dBm with two 43 dBm CW input. 2.7 RX Path Noise Figure (NF) +25ºC <1.8 dB, +65ºC时<2.1 dB RX normal mode NF <1.8 dB @+25ºC, <2.1 dB @+65ºC(Typical 1.6 dB at room temperature) 2.8 RX Dynamic Range 1 dB: > +10 dBm Output 1 dB compression point > +10 dBm 2.9 Power Supply +12V ± 1.0V, DC supply +12V ± 1.0V. Normal mode < 125mA Alarm mode < 175mA 2.10 3 dB Bridge Balanced LNA In case either amplifier fail, the whole LNA still can provide reduced gain and keep the communication running. 2.11 Alarm The TMA has alarm detect circuit and can report either one LNA or both LNAs failure. 2.12 Working Mode Transition Working in normal mode in case: DC supply is present and at least one LNA works well.Working in bypass mode in case: No DC supply or both LNAs are fail.Transition time between different working modes: < 2 seconds. 2.13 RF Power Capacity 100W (50 dBm) continuous CW. 2.14 Group Delay Group delay < 20 ns over a 200 kHz bandwidth Group delay < 150 ns over the whole pass band 2.15 RF connectors DIN 7/16 for antenna and BTS ports. All ports are capped for shipment. Table: RX Path Frequency Response Model TE-9102T TX Pass Band 935 – 960 MHz RX PassBand 890 – 915 MHz Frequency Range Antenna port to BTS port Notes Gain (MHz) Gain variation compare with antenna port (dBc) 0.1 < F < 830 > 60 dBc 830 < F < 865 > 40 dBc 865 < F < 880 > 15 dBc 890 < F < 915 Passband 25M band width 925 < F < 935 > 40 dBc 935 < F < 960 > 85 dBc 960 < F < 1180 > 60 dBc 1180 < F < 1880 > 55 dBc 1880 < F < 2900 > 35 dBc

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Asicon Telecom Co.,Ltd

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