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Call 0345 2300 599The Hilberling UDL-16 is a high-quality up/downlink transverter designed for satellite communication with the Hilberling PT-8000A, supporting operation via the QO-100 / P4-A Narrowband Transponder.
Built for serious satellite operators, the UDL-16 supports SSB, CW, and data operation, with compatible transceiver bands covering 6m, 2m, 70cm, and 23cm. It provides 16 band combinations, including 4 simplex and 12 duplex configurations via separate RX output, giving operators a flexible solution for QO-100 station integration.
With an IP67 protection rating, the UDL-16 is suitable for both indoor and outdoor installation. It includes a GPS-supported OCXO reference, with a 10MHz REF OUT available for transceiver synchronisation.
Key Features
- Up/downlink transverter for QO-100 / P4-A NB Transponder operation
- Designed for use with the Hilberling PT-8000A
- Supports 6m, 2m, 70cm, and 23cm transceiver bands
- Suitable for SSB, CW, and data modes
- 16 band combinations
- 4 simplex and 12 duplex operating combinations
- Separate RX output for duplex operation
- 20W PEP transmit power at 2.4GHz
- GPS-supported OCXO reference signal
- 10MHz REF OUT for transceiver synchronisation
- IP67 protection class for indoor or outdoor installation
- RS-485 remote control interface
- PTT input
- Active GPS antenna input with 3.3V DC supply
- Protection against overtemperature and SWR greater than 3
- 12-16V DC power input or remote power via TRX coax cable
Supported Transceiver Bands
| Band | Frequency Range |
|---|---|
| 6m | 50.5-51.0MHz |
| 2m | 144.5-145.0MHz |
| 70cm | 432.5-433.0MHz |
| 23cm | 1296.5-1297.0MHz |
Operating Modes
- SSB
- CW
- Data
Transmit / Receive Switching
The UDL-16 provides VHF/UHF transmit and receive switching using:
- Pin diodes
- TX HF-VOX with typically 50dB dynamic range
- 3dB hysteresis
- PTT input
Important Note
The Hilberling UDL-16 is designed for use with the Hilberling PT-8000A and suitable QO-100 / P4-A satellite station equipment.
Additional antennas, feed hardware, dish system, cabling, power supply, and installation accessories may be required depending on your station setup.
Please ensure that your radio, antennas, power supply, and satellite installation are suitable before ordering.
Specifications
| Specification | Details |
| Model | Hilberling UDL-16 |
| Product type | Up/downlink transverter |
| Compatible radio | Hilberling PT-8000A |
| Satellite support | QO-100 / P4-A Narrowband Transponder |
| Protection class | IP67 |
| Installation | Indoor or outdoor |
| Supported bands | 6m, 2m, 70cm, and 23cm |
| Frequency ranges | 50.5-51.0 / 144.5-145.0 / 432.5-433.0 / 1296.5-1297.0MHz |
| Operating modes | SSB, CW, and data |
| Band combinations | 16 total |
| Operation types | 4 x simplex and 12 x duplex via separate RX output |
| Transmit power | 20W PEP at 2.4GHz |
| Output impedance | 50 ohms |
| Filtering | Low pass filter, RBW 10MHz |
| VHF/UHF switching | Pin diodes, TX HF-VOX, and PTT input |
| TX HF-VOX dynamic range | Typically 50dB |
| Hysteresis | 3dB |
| Reference | GPS-supported OCXO |
| Reference output | 10MHz REF OUT for TRX sync |
| VHF/UHF transceiver input power | 25mW-10W PEP adjustable |
| Protection circuits | Overtemperature and SWR greater than 3 |
| Data interface | RS-485 remote control / PTT input |
| GPS antenna input | For active GPS antenna |
| GPS antenna supply voltage | +3.3V DC |
| Power supply | 12-16V DC / 10A |
| Alternative power option | Remote power supply via TRX coax cable |
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.

