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Call 0345 2300 599SO9I Standard 6×1 Switch
Connect up to six antennas to a single transceiver and select the one you need remotely from the shack, without repeatedly disconnecting and moving coaxial cables.
Switch Unit Only - Controller Required
This listing is for the SO9I Standard 6×1 remote antenna switch only. A separate SO9I Controller 6×1 is required for normal manual operation.
The controller, control cable, coaxial cables, antennas and other station accessories are not included unless specifically stated otherwise.
Stop Swapping Coax by Hand
A station with several antennas quickly becomes awkward if every change means reaching behind the transceiver or physically swapping feedlines.
The SO9I Standard 6×1 Switch solves that problem by placing the antenna switching remotely and allowing a single transceiver to select any one of up to six connected antennas.
Used with the separate SO9I Controller 6×1, antenna selection becomes a simple turn of a rotary control from the operating desk.
Remote Selection from the Shack
SO9I Controller 6×1
Manual antenna selection is provided by the separately available SO9I Controller 6×1.
The desktop controller provides a six-position rotary selector and confirmation indication, allowing the remote switch to remain close to the antennas while the actual selection is made conveniently from the shack.
Relays and Status LEDs
SO9I deliberately keeps the remote switching unit straightforward. The antenna end contains the switching relays and indication LEDs rather than a complete control computer, reducing unnecessary complexity.
Built for High-Power RF
A reinforced copper layer on the PCB is used to reduce heating and support reliable operation at the switch's specified maximum power level.
LED at Every Antenna Port
Each antenna connection has its own LED indication, allowing the selected output to be identified directly at the switch during installation, testing or maintenance.
Unused Antennas Are Grounded
Antenna ports that are not currently selected are automatically grounded by the switching system, helping to discharge static build-up from unused antennas.
This feature provides useful additional protection, but it should not be treated as a substitute for a correctly designed station earth, surge protection or lightning-protection system.
Standard Twisted-Pair Cable
Communication between the switch and separate Controller 6×1 can be carried over standard twisted-pair computer cable, avoiding the need to run an expensive proprietary multicore control lead between the shack and antenna installation.
Compact Powder-Coated Housing
The switching system is housed in a compact 180 × 148 × 45mm enclosure with a black powder-coated finish and clearly marked antenna connections.
Switch Only
This product includes the SO9I Standard 6×1 Switch only. The SO9I Controller 6×1, control cable, coaxial cables, antennas, grounding equipment and other station accessories are sold separately unless specifically stated otherwise.
SO9I Standard 6×1 Technical Specifications
Switch Configuration
Electrical Performance
RF & Control
Port Status & Grounding
Housing & PCB
Switch Unit Only
The SO9I Controller 6×1, control cable, coaxial cables, antennas, grounding equipment and other accessories are not included unless specifically stated otherwise.
Shipping & Delivery
We offer UK and international delivery services, including next working day and selected weekend options for eligible orders. Available services, prices and estimated delivery times are displayed at checkout.
Delivery Information
Delivery options depend on the parcel's size, weight, contents and destination. Express and weekend services are subject to availability and cut-off times. Oversized or exceptionally heavy items may require a specialist delivery quotation.
Returns & Cancellations
To arrange a return, please contact ML&S or complete our returns form. You may also exercise your statutory right to cancel by email or another clear statement, without completing the form.
Changed Your Mind?
Under the Consumer Contracts Regulations 2013, most purchases made online or by telephone can be cancelled within 14 days of receipt.
You must notify us of your cancellation within this period and return the goods within a further 14 days.
Please handle all goods with care. Returned items must be in a resaleable condition, complete with their original packaging, and all supplied accessories.
You may inspect goods as you would in a shop. Handling beyond what is necessary to inspect them may result in a lawful deduction for diminished value.
Exceptions
Modified Equipment & Reversal Charges
Additional return conditions may apply to equipment modified at the customer's request, including wideband transmit or receive modifications.
ML&S may charge a reasonable fee to reverse physical modifications and restore the equipment to its original factory specification. Any such charge will be agreed in advance and deducted from your refund.
Custom-Made Cable Assemblies
Coaxial cable assemblies manufactured to a customer's specifications are excluded from the 14-day return policy and are non-refundable unless faulty.
Software & Labour Charges
Labour and modification charges requested by the customer are non-refundable once the work has been completed.
Computer software may only be returned under the 14-day return policy if it remains sealed and unopened.
Return Postage Charges
Customers are responsible for the direct cost of returning unwanted or incorrectly ordered goods, where permitted by law. You may arrange your own suitable return postage or use one of our optional prepaid services.
Standard Parcels
Royal Mail Return Label
£5.95
Per parcel
For eligible standard-sized parcels, subject to Royal Mail restrictions. Free collection included.
Larger Parcels
DPD Return Label
£7.95
Per parcel
For larger or heavier parcels and any shipments with batteries.
Collection Service
DPD Collection
£25.00
Per parcel
Available upon request for eligible addresses, subject to availability.
Prepaid return charges will be confirmed before booking and deducted from your refund.
These prices apply to eligible UK mainland returns. Oversized items, specialist products and returns from other destinations may require a separate quotation. Estimated return costs will be disclosed before purchase.
Faulty or Incorrectly Supplied Goods
Return postage charges do not apply to faulty, damaged or incorrectly supplied goods returned under statutory rights. ML&S will arrange a free return in these circumstances.
Refunds
Refunds are processed without undue delay following receipt and inspection of returned goods, and no later than 14 days after we receive goods returned under statutory cancellation rights.
Refunds will be issued to the original payment method. Any prepaid return postage charges or lawful deductions for diminished value will be itemised.
Warranty Terms & Conditions
New Equipment Warranty
Minimum 2-Year Warranty
All new products supplied by ML&S carry a minimum two-year warranty against manufacturing defects, excluding batteries, which are covered by separate warranty terms.
Some manufacturers provide extended warranties, such as the three-year warranty available on eligible Yaesu equipment. Any additional coverage is subject to the manufacturer's terms and conditions.
Our workshop may assess and repair faulty equipment on site or refer it to the manufacturer or an authorised service centre where necessary.
Warranty exclusions may include batteries, normal wear and tear, accidental damage, misuse and unauthorised modifications, as specified in the applicable warranty terms.
All warranties are provided in addition to your statutory consumer rights against ML&S, which are not limited by the warranty period.
International Returns & Warranty
Unless otherwise stated, ML&S warranty servicing is carried out in the UK. International customers must contact us before returning goods to confirm shipping and customs requirements.
International customers are responsible for return postage unless the goods are faulty and ML&S has been notified within a reasonable time.
ML&S accepts no responsibility for additional charges resulting from incorrectly completed customs documentation. Any additional duties charged to ML&S as a result will be billed to the customer before return of the goods.
Need Help With a Return?
Our team can assist with returns, postage arrangements, modifications and warranty claims.
Nothing in these terms excludes or limits your statutory consumer rights.

