The device is a Dual Band ICS Repeater, designed to amplify cellular signals for improved coverage. It supports both WCDMA and LTE technologies, operating across various frequency bands.
Function Description
The Dual Band ICS Repeater functions as a signal amplifier, extending cellular coverage in areas with weak or no signal. It receives signals from a donor antenna, amplifies them, and then retransmits them through a service antenna to provide improved coverage. The device is designed for both indoor and outdoor installations, offering a flexible solution for various deployment scenarios.
Key functionalities include:
- Signal Amplification: Boosts weak cellular signals to enhance coverage.
- Dual Band Operation: Supports two distinct frequency bands (WCDMA and LTE) simultaneously.
- ICS (Interference Cancellation System): Actively cancels interference to ensure clean signal amplification and prevent oscillation. This is crucial for maintaining network stability and performance.
- Adjustable Bandwidth: Allows for flexible configuration to match specific network requirements.
- Gain Control: Features 31dB Manual Gain Control and Automatic Gain Control (AGC) to optimize signal levels and prevent saturation.
- Remote Monitoring: Enables monitoring of repeater status and alarms from a remote location, facilitating proactive maintenance and troubleshooting.
- Local Control: Allows for local configuration and monitoring via a micro USB connection to a laptop.
- RF Network Measurement: Provides capabilities for measuring both 2G and 3G RF network parameters.
The repeater is designed to be user-friendly, with features that simplify installation and maintenance. It is suitable for various environments, including residential, commercial, and industrial settings, where cellular signal strength needs improvement.
Important Technical Specifications
The Dual Band ICS Repeater comes in two models: R84DLI-W19L17-2S and R84DLI-W21L26-2S, each with specific frequency bands and power consumption.
General Specifications (common to both models):
- Max. Gain: ≥ 95 dB
- Manual Gain Control: 31 dB in step of 1 dB
- Automatic Gain Control: ≥ 20 dB
- Gain Flatness: ± 2.5 dB (p-p)
- Max. Input Power Without Damage: 0 dBm
- Out of Band Gain: Comply with 3GPP
- Spurious Emission: Comply with 3GPP
- Spectrum Emission Mask: Comply with 3GPP
- ACRR: Comply with 3GPP
- Peak Code Domain Error: ≤ -35 dB @ Spreading Factor 256 (WCDMA), ≤ 8% (LTE)
- EVM: ≤ 12.5% (WCDMA), ≤ 8% (LTE)
- Frequency Stability: ≤ ±0.01 ppm
- Noise Figure: ≤ 6 dB
- Return Loss: ≥ -14 dB
- Group Delay: ≤ 11 uS
- Interference Cancellation: ≥ 30 dB
- RF Connector: N-Female or 4.3-10-Female
- Impedance: 50Ω
- Power Supply: AC 110/220 V, 50/60 Hz
- Dimensions: 680*420*240 mm
- Weight: ≤ 40 kg
- IP Rating: IP65
- Operating Temperature: -25~55 °C
- Control & Monitoring: Via Micro USB (local) or Via Wireless Modem (remote) for monitoring Neighbor Cells ARFCN, Power, Cell ID, and LAC.
Model R84DLI-W19L17-2S Specifics:
- WCDMA1900:
- Frequency Uplink: 1850 - 1910 MHz
- Frequency Downlink: 1930 - 1990 MHz
- Number of Channels/Bands: 1 band
- Output Power Uplink: ≥ 23 dBm/total output power
- Output Power Downlink: ≥ 37dBm/total output power
- LTE1700:
- Frequency Uplink: 1710 - 1770 MHz
- Frequency Downlink: 2110 - 2170 MHz
- Number of Channels/Bands: 1 band
- Output Power Uplink: ≥ 23 dBm/total output power
- Output Power Downlink: ≥ 37dBm/total output power
Model R84DLI-W21L26-2S Specifics:
- WCDMA2100:
- Frequency Uplink: 1920 - 1980 MHz
- Frequency Downlink: 2110 - 2170 MHz
- Number of Channels/Bands: 1-2 ch
- Output Power Uplink: ≥ 23 dBm/total output power
- Output Power Downlink: ≥ 37 dBm/total output power
- LTE2600:
- Frequency Uplink: 2500 - 2570 MHz
- Frequency Downlink: 2620 - 2690 MHz
- Number of Channels/Bands: 1 band
- Output Power Uplink: ≥ 23 dBm/total output power
- Output Power Downlink: ≥ 37 dBm/total output power
Usage Features
The Dual Band ICS Repeater is designed for ease of use and flexibility in deployment.
- Installation Flexibility: Can be installed in various environments, including indoor and outdoor settings. The manual provides guidance on wall mount and rod mount installations.
- Antenna Selection: Supports different types of donor and service antennas (Yagi, Panel, Omni) to optimize coverage based on specific site requirements. Donor antennas are typically directional for optimal signal reception from the BTS, while service antennas distribute the signal within the coverage area.
- SIM Card for Remote Connection: Features a micro SIM card slot for remote monitoring and control, allowing operators to manage the repeater from a central location.
- User-Friendly Interface: Equipped with LED indicators (RUN, ALARM, MODEM, B.T, BAT) to provide quick visual status updates.
- USB Port for Local Access: A micro USB port allows for local connection to a laptop for configuration, monitoring, and firmware upgrades.
- SD Card Slot: A micro SD card slot is available for firmware upgrades.
- Ethernet Port: An RJ45 port is provided for debug use only.
- Optimization Features: Includes features like "Optimization" for maximizing coverage and "Same Service Quality with Low Investment" for cost-effective deployments. "Fast & Easy Installation" highlights the straightforward setup process.
- Interference Cancellation: The ICS technology ensures that the repeater operates without causing interference to the network, maintaining signal quality and stability.
- Gain Setting: The gain can be adjusted via OMS Lite software or locally via a micro USB connection, allowing for fine-tuning of signal amplification.
- Start-up Procedure: The repeater automatically initializes upon power-up, and its status can be monitored through LEDs and remote access.
Maintenance Features
The device is designed with maintenance in mind, offering various features to ensure long-term reliability and easy troubleshooting.
- Alarms and Solutions: The manual provides a comprehensive list of alarms (e.g., UL/DL AGC Alarm, DL Over O/P Alarm, Over Temp Alarm, PA Failure, PLL Unlock, Master Power Failure, Power Module Alarm, Battery Power Low Alarm, Door Open Alarm, M/S Module Comm. Failure) and their corresponding causes and solutions. This allows for quick identification and resolution of issues.
- Troubleshooting Guide: A detailed troubleshooting table helps users diagnose and resolve common problems, such as weak signal, good signal with high transmission power, unstable coverage, and power supply issues.
- Battery Maintenance and Replacement:
- Battery Description: The device uses a 6.0V Nickel-Metal Hydride Cylindrical Cell battery, with a nominal voltage of 1.2V, typical capacity of 630mAh, and standard charge/discharge specifications.
- Battery Cautions: Important safety guidelines are provided for battery handling, storage, and disposal to prevent damage, injury, or fire. These include avoiding extreme temperatures, not disassembling or short-circuiting batteries, and proper charging practices.
- Battery Replacement: Instructions are provided for replacing the battery, including removing the cover, disconnecting the power cord, and installing a new battery. This ensures that the device can be easily maintained when the battery reaches its end of life.
- Warranty Provisions and Disclaimer: The manual outlines the warranty period (six months for hardware/firmware) and conditions, as well as disclaimers regarding damages not covered by the warranty (e.g., force majeure, physical abuse, improper setup). This provides clarity on support and liability.
- Service in Non-Warranty: Information on obtaining repair services for products outside the warranty period is also provided, including the possibility of a six-month warranty for repaired parts and components.
- Software Updates: Remotek provides software updates to improve functionality and address potential bugs, ensuring the device remains current and performs optimally.
- Regular Inspections: The manual implicitly encourages regular checks of the repeater's status indicators and remote monitoring data to detect and address issues proactively.
- Modular Design: The block diagram suggests a modular design (ICS Module, Wireless Modem, Digital Board, Power Supply, PA), which can simplify repairs by allowing for the replacement of individual components.
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