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Product Detailed Parameters
- Description：RF ANT 1.575GHZ MOD SMA PAN MT
- Series：TANGO 21
- Mfr：Siretta Ltd
- Package：Bulk
- RF Family/Standard：Navigation
- Frequency Group：UHF (1GHz ~ 2GHz)
- Frequency (Center/Band)：1.575GHz
- Frequency Range：-
- Antenna Type：Module
- Number of Bands：1
- VSWR：1.5
- Return Loss：-
- Gain：28dB
- Features：LNA
- Termination：SMA Male
- Ingress Protection：-
- Grade：-
- Qualification：-
- Mounting Type：Panel Mount
- Height (Max)：0.547" (13.90mm)
- Applications：GPS
- Power - Max：-
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Overview
The Siretta TANGO21/3M/SMAM/S/S/26 is a compact, square-shaped GPS antenna designed for external mounting. It operates at the L1 frequency of 1575.42 MHz and features a built-in Low Noise Amplifier (LNA) to enhance signal reception. The unit measures 30.5 mm in width and height with a height of 13.9 mm. It includes a 3-meter RG178 cable terminated with an SMA male connector. The antenna utilizes a screw-threaded base for secure panel installation.
Feature Summary
- Integrated low noise amplifier for improved signal sensitivity
- Compact square physical form factor suitable for constrained spaces
- Screw-threaded base design for robust panel mounting
Applications
- Global Positioning System (GPS) navigation modules
- Vehicle tracking and telematics systems
- Maritime navigation equipment
- Aviation avionics positioning units
Procurement Notes
Verify that the specific part number suffix matches the required cable length and connector type. Confirm that the SMA male interface is compatible with the target device's RF port. Ensure the 3-meter cable length meets the system layout requirements before finalizing the order.
Selection Notes
Select this model when a dedicated GPS solution with integrated amplification is required. The fixed 3-meter cable length dictates the maximum distance between the antenna and the receiver. Consider the square footprint dimensions against available mounting space constraints.
Part Context
This component belongs to the Tango 21 series by Siretta Ltd, which specializes in compact GPS antennas. The series offers various cable lengths and connector options to suit different integration needs while maintaining consistent performance characteristics for L1 band applications.
Replacement Considerations
Check for other Tango 21 variants with different cable lengths or connector polarities. Verify compatibility with existing LNA power supply requirements if substituting with similar models from the same manufacturer.
FAQ
What is the operating frequency of this antenna?
The antenna operates specifically at the GPS L1 frequency of 1575.42 MHz.
How is the antenna physically mounted?
It features a screw-threaded base designed for secure panel mounting.
