Some say this scope is "noisy". Is it useful for measurements where the range is +/- 20 mV?

its noisy in the fact the fans arent quite. Not because of line noise... 20mv is not a problem

Does this item include the optional items(16ch logic decoder, usb awg and usb wifi)?

For WiFi you can use an Access Point that can be operated in "Client Mode". I am using a TP-Link N300 (WR802N) and it works very well. The other options really seem to require special firmware/license upgrades.

Is siglent sds1104x-e good for a beginner?

The SDS 1104X-E is a great scope. It is considered an entry level instrument. It is excellent for the individual entering the electronics field.

Can I decode ic, spi, uart/Rs232, can, lin signals with the the scope, i.e. without the sla1016 module?

Yes! Decoding is included with the base model! There is no need to purchase a software license (or "hack" the scope) to unlock the decoding options.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Siglent Technologies SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard Decoder, Grey

Siglent Technologies SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard Decoder, Grey

Product ID: 66310340

Details

Brand
Siglent
Color
Grey
Item Weight
6.6 Pounds
Power Source
Us
Style
Decoder

📊100MHz bandwidth

🔍400,000 frames/sec capture rate

🔗4 digital channels + serial bus decoding

Description

⚡ Unlock the power of precision with Siglent’s SDS1104X-E — where speed meets clarity!

DECODE LIKE A PRO - Built-in I2C, SPI, UART, CAN, and LIN bus decoding for seamless protocol analysis and debugging.
REMOTE CONTROL READY - Embedded web app and USB WiFi adapter option let you control and monitor your oscilloscope from anywhere.
MULTI CHANNEL MASTERY - Four analog channels plus optional 16 digital channels for comprehensive mixed-signal insights.
PRECISION MEETS SPEED - Experience ultra-clear signal fidelity with 100MHz bandwidth and 400,000 frames/sec waveform capture—never miss a detail.
NEXT LEVEL VISUALIZATION - 256-level intensity grading and unique color temperature display for intuitive waveform interpretation.

The Siglent SDS1104X-E is a 100MHz, 4-channel digital oscilloscope featuring advanced SPO technology for superior signal fidelity and ultra-fast 400,000 frames/sec waveform capture. It supports multiple serial bus decodings (I2C, SPI, UART, CAN, LIN), offers 256-level intensity grading with color temperature display, and includes options for 16 digital channels and remote control via web browser. Designed for professionals demanding high accuracy and versatile analysis in a compact, grey chassis.

Specifications

ASIN	B0771N1ZF9
Best Sellers Rank	#134,193 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #54 in Lab Oscilloscopes
Brand Name	Siglent
Color	Grey
Customer Reviews	4.8 4.8 out of 5 stars (967)
Global Trade Identification Number	00764560085678
Included Components	Quick Start, Calibration Certificate, 4 passive probes, USB cable
Item Dimensions	12.2 x 5.12 x 5.91 inches
Item Weight	6.6 Pounds
Manufacturer	Siglent Technologies
Minimum Operating Voltage	500 Microvolts
Model	SDS1104X-E
Part Number	SDS1104X-E
Power Source	Us
Specification Met	FCC
Style Name	Decoder
UPC	764560085678
Unit Count	1.0 Count

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