Holybro 40cm Antenna Extension Cable For Telemetry Radio (RP-SMA)
£4.90 Inc. VAT
Low-loss 40cm RP-SMA cable extension for optimal antenna placement.
In stock|Next shipping: 16/03/2026
The Holybro 40cm Antenna Extension Cable uses high-quality RG174 coaxial cable for low-loss, high-frequency performance. With RP-SMA male to female connectors, it’s ideal for repositioning antennas to improve signal performance. Compatible with SiK Telemetry Radio V3, Microhard, XBP9X, and Holybro Remote ID. Weighs 11g.
Compatible with:
- SiK Telemetry Radio V3
- Microhard Telemetry Radio
- XBP9X Telemetry Radio
- Holybro Remote ID
- RG174 high quality coaxial cable (φ2.8mm)
- High Frequency Low Loss Antenna Extension Cable
- Connector: RP-SMA male to RP-SMA Female
- Overall length: 400mm
- Weight: 11g
Questions and answers of the customers
There are no questions yet. Be the first to ask a question about this product.
SHIPPING & DELIVERY
We are based in the UK and ship to most destinations worldwide.
We dispatch orders during the times shown on our Dispatch Schedule. Orders placed before the daily dispatch cutoff will ship the same day (subject to stock availability). Orders placed after the cutoff will ship on the next scheduled dispatch day.
A confirmation email is sent once your order has been packed. If you need to amend your order, please contact us as soon as possible — once shipped, we’re unable to make changes.
We work with trusted delivery partners including Royal Mail, DHL, UPS, Fedex and Parcelforce. If you have a delivery requirement or would like to arrange collection, please get in touch.
Please fill in the fields below with the shipping destination details in order to calculate the shipping cost.
Shipping to the UK
- Order before the daily dispatch cutoff for same day dispatch.
- FREE delivery available on qualifying orders over £99 (under 1kg).
For small, low-value orders, Royal Mail First Class is our most economical option. Royal Mail Tracked 24 is the most popular choice, offering full tracking and flexible delivery options. For guaranteed next working day delivery, we recommend Royal Mail Special Delivery.
Royal Mail delivers to residential addresses Monday to Saturday, while courier services (including DHL) typically deliver Monday to Friday.
International Postage
- USA orders: Import duties and taxes are prepaid by us — no additional customs charges on delivery.
- Other destinations: Customs duties or import taxes may apply and are the responsibility of the recipient.
Smaller, lower-value orders may be sent via Airmail or tracked postal services. Economy road and express air courier options are available depending on destination. For faster delivery, we recommend express air courier services such as DHL Express, which typically deliver within 1–2 working days across Europe and a few working days for most other destinations.

Reviews
Clear filtersThere are no reviews yet.