Not to start a controversy, but I'm pretty sure you can use the RF function of this remote (within a reasonable range) without a base station. I distinctly remember having to turn the RF off because I was (unexpectedly) changing channels on another (RF enabled) DVR device in an adjacent room.
Yamaha RX-A2050 AVR [v1.81], LG 65EF9500 4K OLED [v4.26.00]
5.0.2 set-up: (4) Polk Monitor 10B's, (2) Polk Monitor 4's, Polk CS300 center
B&O TX2 Turntable, Nakamichi Cassette Deck 1
Pioneer CLD-99 LD, Panasonic DMP-UB900 UHD [v1.80]