B&W (Barker & Williamson) Model 427 HF Inline Filter UHF SO-239
A nice touch is that the filter can be adjusted in small steps, letting you fine-tune the tone to your preference.
Item Tag: UHF (SO-239)
AMECO PT-3 HF Antenna Preamplifier w/ Bypass Switch, 12V DC, SO-239
You will find that the RTL-SDR Blog brand listens to user feedback for small improvements.
ATU-100 HF Automatic Antenna Tuner Box, SO-239
The Unbranded finish blends in well with other gear in the shack.
ATU-100 PRO+ HF Automatic Antenna Tuner Box, SO-239 UHF, USB Cable
What stands out about this Unbranded cable is the consistent connectors and solid feel.
RadioShack 21-502 VHF Power Amplifier Pre-Amp DC 13.8V SO-239
A nice touch is the sturdy handle on the power type unit, and you will find that moving it around is simple.
Archer 21-924 HF Mobile Inline Antenna Tuner UHF SO-239 for Ham Transceiver
A nice touch is the soft indicator light that shows the antenna tuner status without being distracting.
Archer 21-924 HF Mobile Inline Antenna Tuner UHF SO-239 for Ham Transceiver
You will find that the antenna tuner has a clean design that blends well with other gear.