The SP External Antenna Cable for SP20 Handheld GNSS Receiver is an essential accessory to ensure the accuracy and efficiency of GNSS receivers.
Designed for the Spectra SP20 Handheld GNSS Receiver,
this external GNSS antenna connector supports a wide range of communication systems including 240 GNSS channels, GPS, GLONASS, BeiDou B1,
Galileo E1, QZSS, SBAS, and L-Band (two channels).
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External Radio Antenna Cable, TNC/Lemo, Assy, Trotter – Spectra Part No: 116795 SP
Product Overview
The External Radio Antenna Cable, TNC/Lemo, Assy, Trotter (Spectra 116795 SP) is a high-performance communication accessory designed to enhance the range and signal quality of external radio systems used with Spectra Precision survey equipment. Precision-manufactured for field accuracy, this cable ensures secure and stable connectivity between the radio and antenna.
With rugged construction and precision engineering, this cable is built to perform under harsh field conditions. The TNC to Lemo configuration offers seamless integration with Spectra external radio modules, enabling optimal data transmission and minimal signal loss.
Key Features
- Official Spectra Replacement Part – Part No: 116795 SP
- Connector Type: TNC (Male) to Lemo (Push-pull)
- Optimized for Signal Stability and Transmission
- Durable, Field-Grade Design
- Assembly Type: Trotter
- Improves Range and Reliability of Radio Systems
- Compatible with Select Spectra GNSS and Surveying Radios
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | External Radio Antenna Cable |
| Brand | Spectra |
| Part Number | 116795 SP |
| Connector 1 | TNC Male |
| Connector 2 | Lemo Push-Pull Connector |
| Cable Type | Coaxial RF |
| Assembly Type | Trotter |
| Application | Antenna to Radio Connection |
| Usage | Survey Equipment, GNSS Systems |
| Cable Length | Varies (typically 1 to 2 meters) |
Applications
This external antenna cable is designed for use in the following scenarios:
- GNSS Base and Rover Setups – Provides external antenna connection to improve signal coverage.
- Field Surveying and Construction – Ensures consistent data transmission between receiver and base.
- Topographic Mapping – Supports uninterrupted signal flow for high-precision mapping.
- Agriculture and Machine Control – Useful in RTK applications where reliability is critical.
Compatibility
| Compatible Systems | Notes |
|---|---|
| Spectra Precision GNSS Radios | For use with TNC/Lemo-compatible models |
| External Antenna Kits | Ideal for permanent or temporary setups |
| Trotter Assembly Radios | Designed to integrate with Trotter units |
| Other Lemo-TNC Radio Configurations | May require compatibility check |
Product Benefits
- Enhanced Range: Reduces signal drop and enhances radio communication range.
- Precision Connectors: Gold-plated contacts for low resistance and minimal signal loss.
- Field-Ready Durability: Resists physical wear, UV exposure, and harsh environments.
- Reliable OEM Quality: Manufactured to Spectra Precision’s rigorous quality standards.
- Flexible Integration: Easy plug-and-play connectivity with existing systems.
Use and Maintenance Guidelines
- Connection: Firmly align the Lemo connector into the radio port and lock securely. Then attach the TNC end to the antenna unit.
- Cable Management: Avoid sharp bends or coiling in tight loops to maintain integrity.
- Cleaning: Use a dry cloth to wipe connectors. Avoid moisture entry.
- Storage: Store in a dry case or cable bag when not in use.
- Inspection: Periodically check for any cracks or connector wear.
Cable Performance Table
| Feature | Benefit |
|---|---|
| TNC to Lemo Connection | Stable signal transfer |
| Coaxial RF Cable Construction | Reduces noise and interference |
| Assembly Type: Trotter | Engineered for advanced survey gear |
| Official Spectra Part | Guaranteed fit and performance |
| Rugged Build | Withstands field wear and abrasion |
Why Choose Spectra 116795 SP?
- Trusted Brand: Spectra Precision is known for accuracy, reliability, and innovation in surveying technology.
- Optimized Assembly: Purpose-built for field compatibility with Spectra’s Trotter-configured radios.
- Plug-and-Play Design: Minimizes setup time and ensures consistent performance.
- OEM Performance: Meets or exceeds manufacturer standards for data transmission integrity.
Frequently Asked Questions (FAQs)
1. Is this antenna cable compatible with all Spectra GNSS radios?
This cable is designed specifically for models that support TNC to Lemo configurations. Please verify compatibility with your device model or contact support before purchasing.
2. What is the purpose of the Trotter assembly type?
Trotter assembly refers to a specific Spectra configuration setup for cable and antenna interfaces. It ensures optimal signal performance and hardware alignment.
3. Can I use this cable with third-party antennas?
Yes, as long as the antenna supports a TNC male connection and your radio supports the Lemo input. Always ensure both ends are compatible with the specifications.
4. Is this an original Spectra part?
Yes, this is an original Spectra-manufactured part with OEM specifications, bearing the part number 116795 SP.
Conclusion
The External Radio Antenna Cable, TNC/Lemo, Assy, Trotter (Spectra Part No. 116795 SP) is a vital tool for enhancing your GNSS or surveying system’s performance. Built for long-term durability and signal integrity, it offers reliable connectivity between radios and external antennas in any professional field environment. Whether you’re setting up a GNSS base station, working on large-scale land surveys, or operating in high-interference zones, this cable ensures your signal remains stable and strong.
Upgrade your setup with confidence using this OEM-compatible solution, built to withstand the rigors of the field while delivering top-tier communication performance.
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