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The EMTS 400MHz LMR/PMR In Line Booster (ILB) provides an excellent solution to the problem of insertion loss of passive components and transmission losses of feeder cables for Indoor Distributions or Tunnel Coverage. Using the ILB the LMR/DMR operator can easily expand a base station’s service area by compensation for feeder losses. The ILB amplifies the signals on the coax cables or leaky cables by using Advanced Bi- Directional Technology. Easy installation, lightweight design, and very friendly GUI make our ILB easy to use and install. The EMTS ILB is a cost-effective and practical solution for extending signal coverage inside buildings, shopping malls, airports, and tunnels where the LMR/DMR networks have poor coverage. The ILB is used to extend the coverage area in a passive distribution antenna system (DAS) connected by coaxial cables. EMTS ILB provides a wide range of configurations to address different customer requirements.
Key Features
- Compensate loss of passive components and transmission losses of feeder cables
- Used for Indoor Distributions or Tunnel Coverage
- Advanced Bi-Directional Technology
- 30/33/37dBm composite power types, meet LMR/TETRA/DMR system standards
- Supports all combinations of DMR including TETRA and APCO-25 at UHF
- Provide quick RF coverage service to your DMR Network
- Compact Size and High Performance in a waterproof enclosure suitable for outdoor and indoor installations
- Metal cavity filter technology allows wider receiving and transmitting separation, gain flatness, higher stability, and lower noise figure
- Wi-Fi or USB port provides a link to a notebook for local supervision or to the built-in wireless modem to communicate with the NMS (Network Management System)
Technical Specifications
| Technical Specifications |
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| Downlink | Uplink |
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| Electrical Specifications |
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| Frequency Range (350-512 MHz) | 350-512 MHz |
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| * Please specify uplink and downlink bands |
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| Composite output Power (33dBm) | 24dBm |
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| Gain (48±3dB) | 48±3dB |
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| In-band ripple | ≤3dB |
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| Gain adjustable range | ≥30dB |
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| Gain adjustable step | 1dB |
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| Noise figure | ≤4dB |
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| VSWR | ≤2:1 |
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| Transmission delay | ≤5us |
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| Spurious | ≤-36dBm (9KHz to 1GHz) ≤-30dBm (1GHz to 12.5GHz) |
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| External connection |
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| Connector | N-F / 50 ohms |
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| Alarm Detection | HPA, LNA, TEMP, PSU, Digital IF module, Door Local LED display, Dry Contacts; RS232 local monitoring |
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| Local Alarm; | Via USB connectivity using web browser PSU, HPA, LNA, Digital IF Module, Temp, Door open |
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| NMS interface | Using ethernet connectivity or 4G modem or dry contact for summarized alarm |
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| Power Supply | 110 to 220VAC ±15％ 50-60Hz / 120 Watts (Optional: 24 Vdc or -48 VDC) |
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| Environmental |
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| Operating Temperature Range | -20 to +55 °C |
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| Cooling | Convection |
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| Environmental Sealing | IP65 |
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| Operating Humidity | Up to 95% (non-condensing) |
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| Complies with | EN 301 489-18, ETSI TS 101 789-1, EN 60 950 |
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| Standards | 390x320x100 mm |
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| Weight | 18 kg (for the 5 watts type) |
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| needs for Wireless Networks. |
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