We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Two metal barrel adapters with threaded female ends, silver finish, 27 by 15 mm

Unique-Bargains

Unique-Bargains UHF S0-239 Double Female Barrel Coax Adapter Connector 2 Pcs

SKU CH-XH1Q-H4N2Z

Connects two PL-259 plugs using S0-239 double-female UHF barrels, supplied as a pair of metal adapters

  • TypeAmplifier Bridging Modules
  • Connect two PL-259 cables with this S0-239 barrel adapter
  • Metal construction resists wear during repeated connections
  • Compact 27 x 15 mm size fits tight installations
  • Lightweight 34 g pair adds minimal bulk to setups
  • Two adapters included for spare or dual-link needs

Automotive Coax Adapter Pair

Two UHF S0-239 double female barrel connectors join PL-259 plugs for car electronics installations. Metal construction resists vibration in mobile environments. Each adapter measures 27 by 15 millimetres and weighs 34 grams. Supplied as a pair for immediate use.

Thermal Noise And Power Profile

Passive metal body generates no heat and adds no electrical noise to the signal path. Zero power draw means no load on the vehicle electrical system. Simple mechanical junction keeps insertion loss low in normal RF use.

Upgrade Path And Fit

Replaces worn or mismatched barrel couplers in existing coax runs. Worthwhile when a secure female-to-female join is needed between PL-259 terminated cables. Not suited for applications requiring impedance transformation or weather-sealed bulkhead mounting.

Highlights

  • Connect two PL-259 cables with this S0-239 barrel adapter
  • Metal construction resists wear during repeated connections
  • Compact 27 x 15 mm size fits tight installations
  • Lightweight 34 g pair adds minimal bulk to setups
  • Two adapters included for spare or dual-link needs

Specifications

BrandUnique Bargains
TypeAmplifier Bridging Modules

Questions about this item

How do I install the S0-239 barrel adapter between two PL-259 plugs, and what step causes a poor connection?

Screw each PL-259 plug into the S0-239 female ends until the threads seat fully; the common mistake is stopping at finger-tight instead of using a wrench for the last quarter-turn, which leaves a high-resistance joint.

What maintenance or replacement will the metal barrel adapter need over time?

The metal body is passive and corrosion-resistant; inspect the threads and centre contacts annually for oxidation or looseness, and replace the adapter only if the plating is worn or the threads are stripped.

What limit appears first when the adapter handles continuous high-power RF?

The 15 mm diameter metal barrel limits sustained power by heating at the centre-contact junction; monitor temperature during long transmissions and reduce duty cycle if the body becomes too hot to touch.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.