Digi-Code DC-5166 16 Ft Antenna Extension Kit for 300/310 MHz Receivers
The Digi-Code DC-5166 is a coaxial antenna extension kit for compatible gate and garage radio receivers. It is used when remote range is poor because the receiver antenna is trapped inside a metal cabinet, behind a wall, below grade, or near other obstructions. By relocating the antenna to a better position, the receiver may pick up transmitter signals more reliably without replacing the receiver or changing remote codes.
This kit is an antenna accessory, not a receiver, amplifier, or frequency converter. It works only when the receiver has the proper coaxial F-style antenna connection and the radio system itself is already functioning. It is commonly associated with Digi-Code 300 MHz and 310 MHz receiver installations, and the broader Digi-Code receiver category also references use for 300 to 390 MHz systems where the correct antenna kit and connector are used.
Compatible With
- Digi-Code receivers with a coaxial Type F antenna connector
- Digi-Code 300 MHz receiver installations with compatible antenna connection
- Digi-Code 310 MHz receiver installations with compatible antenna connection
- Digi-Code DC-5100D 300/310 MHz receiver applications when equipped with the proper antenna port
- Digi-Code DC-5102 310 MHz receiver applications when equipped with the proper antenna port
- Digi-Code DC-5150 receiver applications when equipped with the proper antenna port
- Many gate and garage receivers with an F-connector antenna fitting where the installer confirms frequency and connector match
- Residential and commercial installations where metal cabinets or obstructions reduce radio range
Features and Specifications
| Manufacturer | Digi-Code |
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| Product Type | Antenna extension kit |
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| Part Number | DC-5166 / 5166 |
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| Cable Length | 16 ft |
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| Frequency Use | Commonly used with 300 MHz and 310 MHz Digi-Code receiver systems |
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| Connection Type | Coaxial Type F style connection |
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| Application | Remote antenna relocation for gate and garage receivers |
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| Included Components | Coaxial cable, antenna, and mounting hardware when supplied as kit |
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| Compatible Operator Type | Operators using a compatible external radio receiver |
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| Notes | Does not change receiver frequency or remote compatibility |
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Also Known As / Related Part Numbers
- 5166
- DC-5166
- DC5166
- Digi-Code 5166
- Digi-Code DC-5166
- Digi-5166
- 5166-03
- Remote antenna kit
- Coaxial antenna extension kit
- Digi-Code antenna extension
- 300 MHz antenna extension
- 310 MHz antenna extension
- Digi-Code DC-5100D
- Digi-Code DC-5102
- Digi-Code DC-5150
Common Replacement or Use Cases
- Remote works only at very short range
- Receiver is mounted inside a metal gate operator cabinet
- Signal improves when standing close to the operator
- Customer wants to relocate the antenna higher or outside an obstruction
- Receiver works but range is inconsistent
Technician Note
Before adding an antenna extension, confirm the receiver has power, the transmitter battery is good, and the antenna connector is present and undamaged. An antenna kit will not fix a failed receiver or wrong-frequency remote.
Before Ordering
- Confirm the receiver has a coaxial F-style antenna connection
- Confirm the radio system already operates on the correct frequency
- Inspect the existing antenna and receiver connection
- Plan a mounting location where the cable will not interfere with moving operator parts
- Protect cable pass-through points with a grommet or suitable strain relief
Professional Advisory
Route the coaxial cable away from moving gate arms, chains, belts, sprockets, and high-voltage wiring. For commercial operators, have a qualified technician mount the antenna safely and secure all wiring.
Important Ordering Warnings
- This kit does not convert 300 MHz systems to 310 MHz or 433 MHz
- This kit does not make an incompatible remote compatible
- Do not mount the cable where it can rub, pinch, or interfere with the operator
Product Questions and Answers
What does the DC-5166 do?
It relocates the receiver antenna with a 16 ft coaxial cable so compatible receivers can pick up remote signals from a better location.
Does it increase transmitter power?
No. It does not increase transmitter power. It improves antenna placement for the receiver.
What receivers can use this antenna kit?
It may be used with Digi-Code and other compatible receivers that have the correct coaxial F-style antenna connection.
Will it fix a bad receiver?
No. If the receiver is failed, unpowered, or paired with the wrong remote frequency, an antenna extension will not correct the problem.
Is this the same as the 433 MHz antenna kit?
No. For Digi-Code 433 MHz open/close/stop systems, compare against the 433 MHz antenna accessory specified for that receiver family.
