FNIRSI DPOX180H vs Rigol DS1054Z
Head-to-head spec comparison to help you pick the right scope for your bench.
FNIRSI
$110
Rigol
$349
Spec-by-Spec Comparison
| Spec | FNIRSI DPOX180H | Rigol DS1054Z |
|---|---|---|
| Bandwidth | 180 MHz | 50 MHz |
| Sample Rate | 0.5 GSa/s | 1 GSa/s |
| Channels | 2 | 4 |
| Memory Depth | 28 Kpts | 12 Mpts |
| Display Size | 2.8" | 7" |
| Weight | 0.285 kg | 3.2 kg |
| Price | $110 | $349 |
| Rating | 5.0/10 | 8.5/10 |
| Protocol Decoder | Yes | Yes |
| Function Gen | Yes | No |
| WiFi | No | No |
| Battery | Yes | No |
| Buy on Amazon · $110 | Buy on Amazon · $349 |
Pros & Cons
FNIRSI DPOX180H
Pros
- Very affordable at ~$110 for what it packs
- 180MHz bandwidth in a genuinely pocket-sized device
- Battery powered and truly portable — shirt-pocket size
- Built-in function generator and multimeter
- Protocol decoding for UART, SPI, and I2C
Cons
- 28Kpt memory depth is critically shallow — limits capture usefulness significantly
- 2.8-inch screen is very small — detailed waveform analysis is uncomfortable
- 500MSa/s sample rate is modest even for a pocket scope
- Accuracy concerns typical of FNIRSI at this price tier
- Build quality is mediocre — the housing feels flimsy
Rigol DS1054Z
Pros
- 4 channels at a mid-range price — still rare and genuinely valuable
- 12Mpt memory depth is excellent for long capture sessions
- Massive community: tutorials, hacks, and forum answers everywhere you look
- Well-documented bandwidth hack unlocks 100MHz — free upgrade
- Trigger types rival scopes twice the price
- Protocol decoding (SPI, I2C, UART) included at no extra cost
Cons
- 50MHz stock bandwidth is limiting for faster SPI clocks and RF work
- Interface feels dated compared to the newer Rigol DHO series
- No touchscreen — menu navigation requires physical button presses
- Fan is audible in quiet environments
- The DHO924S has overtaken it on almost every spec at a similar price
Our Verdicts
FNIRSI DPOX180H
The FNIRSI DPOX180H is a pocket oscilloscope with surprisingly high bandwidth for the money — 180MHz in something smaller than a deck of cards is legitimately impressive. At $110, you also get protocol decoding, a function generator, and a multimeter in the same device. The hard truth is the 28Kpt memory depth and 2.8-inch screen kill its usefulness for anything beyond quick spot checks — you can glance at a signal, but capturing and analyzing a long serial transaction is off the table. The OWON HDS2202S is better in almost every meaningful way if portability is your goal, but it costs $439 versus this scope's $110. At this price, the DPOX180H is best understood as a capable probe-and-check tool, not a primary bench instrument.
Rigol DS1054Z
The Rigol DS1054Z is the default recommendation in every electronics forum for a reason — it earned that reputation over a decade of consistent performance. Four channels, 12Mpt memory, comprehensive protocol decoding, and an absurd number of trigger types for ~$349 is a package that nothing in this price range matched for years. The 50MHz bandwidth is the only real limitation, and the well-documented hack to unlock 100MHz makes even that a manageable concern. Yes, the newer Rigol DHO924S has better specs in nearly every category — but the DS1054Z has something no spec sheet can quantify: years of solved problems, answered questions, and tutorials from the EEVblog and r/AskElectronics communities. If you're buying your first serious oscilloscope and want to minimize frustration, this is still a great choice. If you can stretch to $449, the DHO924S is the better buy in 2026.