https://cablematic.com/en/products/gsm-3g-900mhz-2100mhz-70db-repeater-amplifier-with-antennas-and-10m-cable-GW005/
GSM 3G 900MHz 2100MHz 70dB repeater amplifier with antennas and 10m cable
- Operating frequency 900Mhz downlink: 925 - 960 MHz.
- 900Mhz uplink operating frequency: 880 - 915 MHz.
- Operating frequency 2100Mhz downlink: 2110 - 2170 MHz.
- Operating frequency 2100Mhz uplink: 1920 - 1980 MHz.
- Input power range: -70 ~ 40 dBm.
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- Operating frequency 900Mhz downlink: 925 - 960 MHz.
- 900Mhz uplink operating frequency: 880 - 915 MHz.
- Operating frequency 2100Mhz downlink: 2110 - 2170 MHz.
- Operating frequency 2100Mhz uplink: 1920 - 1980 MHz.
- Input power range: -70 ~ 40 dBm.
More info
GSM signal repeater in the frequency 900Mhz and 2100Mhz. The frequencies 900/2100 MHz are used in GSM mobile telephony for the digital transmission of voice, and for the transmission of 3G data. Ideal for increasing the quality of the mobile phone signal, in environments where quality is lacking. The typical installation could be an indoor room (poor signal quality), where the GSM repeater is placed, while the receiving antenna is placed outside (good signal quality).
Kit contents
- Outdoor antenna with 10m cable.
- Indoor antenna with 5m cable.
- GSM signal repeater / amplifier.
- 5 VDC power supply.
- Necessary hardware.
specs
- Operating frequency 900Mhz downlink: 925 - 960 MHz.
- 900Mhz uplink operating frequency: 880 - 915 MHz.
- Operating frequency 2100Mhz downlink: 2110 - 2170 MHz.
- Operating frequency 2100Mhz uplink: 1920 - 1980 MHz.
- Input power range: -70 ~ 40 dBm.
- Maximum output power: 24 dBm (downlink) and 20 dBm (uplink).
- Maximum gain: 75dB ± 3dB (downlink) and 70dB ± 3dB (uplink).
- Characteristic impedance: 50 Ohm.
- VSWR: <2.0.
- Repeater mounted in metal casing of size 190x170x50mm.
- Repeater with two N-female connectors (indoor / outdoor).
- Omnidirectional antenna (176 x 70 mm), with 3 m cable, terminated in N-male connector. It connects directly to the repeater.
- Antenna (280mm) with fixing system to wall or tubular pole. It has a 10 m coaxial cable terminated in an N-male connector, which connects directly to the repeater.
- The yagi antenna is installed outdoors to capture the GSM signal wherever there is coverage. The repeater and omnidirectional antenna are installed inside, to increase the quality of the GSM signal, and offer coverage.
- Possibility of acquiring coaxial cable to extend the cable length (# GW3x and adapter # WH83).
- Gross Weight: 4.2 kg
- Number of packages: 1
- Packages size: 36.0 x 23.0 x 22.0 cm
Technical terms
- Impedance
- Hz
- GSM
- dBm
- dBm
- VDC
Impedance (Z) is the total opposition that a circuit offers to alternating current (AC) flow when a specific voltage is applied.
Unlike simple resistance, impedance is a complex quantity comprising resistance (the real part) and reactance (the imaginary part, representing inductive or capacitive effects). In the frequency domain, impedance is represented as a phasor, accounting for both magnitude and phase shift between voltage and current. In DC circuits, impedance reduces to pure resistance with zero phase angle.
| Parameter | Technical Spec |
|---|---|
| Symbol | Z |
| Unit | Ohm (Ω) |
Impedance management is critical in high-speed hardware design and signal integrity. In modern PCB manufacturing, controlled impedance ensures that high-frequency signals reach their destination without reflections, which is vital for PCIe or DDR5 performance.
Complex Domain Analysis
Mathematical modeling of impedance using the j-operator allows engineers to optimize filter performance and resonance characteristics in electronic systems.
Key Advantages
- Maximum power transfer through impedance matching.
- Minimized signal reflections in high-frequency transmission lines.
- Improved electromagnetic compatibility (EMC).
Note: Impedance is the cornerstone of modern AC circuit theory and high-frequency design.
