Overview
This Beitian RF coaxial cable adapter is a feeder lead for RTK/GNSS antenna installations, using SYV50-3 (50-3) coax with hardware connectors. It supports multiple antenna connector interfaces such as SMA and TNC, with selectable variants including TNC-J to TNC-J and TNC-J to SMA-J, plus multiple length options.
Key Features
-
Support customization:
- According to product debugging to meet your requirements
- Various antennas can be customized according to samples
- Various antennas can be customized according to the concept
- Multiple interfaces: connect antenna interface SMA, TNC, etc. (available options: TNC-J↔TNC-J; TNC-J↔SMA-J).
- 50-3 pure copper wire: the signal is more stable.
- TNC-J: widely used.
For customization requests or selection help, contact https://rcdrone.top/ or email [email protected].
Specifications
| Coax type | SYV50-3 (50-3) |
| Input impedance | 50 Ω |
| Conductor | /0.9 bare copper |
| Insulation | LDPE |
| Minimum insulation thickness | 0.85 mm |
| Color | Transparent |
| ID | 2.95 ± 0.1 mm |
| Longitudinal wrapping | Aluminum (conductive layer facing out) |
| Braiding | 128 braids, bare copper |
| Outer sheath | Black (PVC-65P) |
| OD | 5.0 ± 0.2 mm (semi-extruded) |
| Minimum sheath thickness | 0.58 mm |
| Processing method and usage | Video transmission cable, with hardware connectors |
Options
- Model: TNC-J TNC-J; TNC-J SMA-J
- Length: 3 m; 5 m; 6 m; 10 m
Applications
- Feeder cable for GNSS antenna / RTK antenna setups
- Driving test driving training
- Precision agriculture
- Civil aviation
Compatibility Notes
The antenna is suitable for the following device models (please consult for other models): Trimble, South Surveying, Hi-Target, Duolun, StarNeto, NovAtel, Guohua, Unistrong, Sanlian, CHCNAV.
Details

Custom SYV50-3 (50-3) feeder lead options help match different RTK/GNSS antenna installs and connector needs.

Choose the connector interface you need—TNC-J to TNC-J or TNC-J to SMA-J—using 50Ω pure copper SYV50-3 coax.

Built as a dedicated GNSS/RTK antenna feeder cable for stable RF signal routing between antenna and receiver.
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