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CH9350 Keyboard Mouse Scanner to Serial Port HID KVM Extension Module
MusRock

CH9350 Keyboard Mouse Scanner to Serial Port HID KVM Extension Module

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

$9.99

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*Price sourced from Amazon.com. Last updated 2026-08-15. Price and availability subject to change.

Bottom line: The CH9350 Keyboard Mouse Scanner to Serial Port HID KVM Extension Module is a specs-and-price decision rather than a crowd-consensus one in the keyboards & mice category, priced around $9.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

  • ✓ Backed by MusRock's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

​1. Product Parameters Parameters​​​Input Voltage​​: 4.5V–36V DC (Wide Voltage Compatible)​​Communication Protocol​​: USB 2.0 (Full Speed 12Mbps/Low Speed 1.5Mbps) + UART​​UART Baud Rate​​: 300000/115200/57600/38400 bps (Configurable)​​ESD Protection​​: ≥8kV (Contact Discharge)​​Operating Temperature​​: -40°C to +85°C (Reliable)​​Package​​: LQFP-48 (Lead-Free, RoHS Compliant)​​Hot Plug Support​​: USB Host and Device Sides​​2. Pin Functions ( )​​​​VDD​​: Power Input (4.5V–36V DC). Do not exceed 36V.​​GND​​: Power Ground (Shared with Target Device).​​TXD​​: UART Data Transmit (TTL Output…

SpecPicks Verdict

SpecPicks scored CH9350 Keyboard Mouse Scanner to Serial Port HID KVM Extension Module using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the keyboards & mice category. MusRock's keyboards & mice lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Key Features

  • 【High Compatibility & Easy Configuration】 Supports USB 2.0 full speed 12Mbps and low speed 1.5Mbps; compatible with Windows Linux macOS; no driver required; configurable baud rates 300000 115200 57600 38400 bps; supports KVM extension and multi-device synchronization
  • 【Industrial Grade Performance】 Operates in -40°C to +85°C wide temperature range; ESD protection up to 8kV contact discharge; built-in crystal oscillator simplifies circuit design; suitable for industrial control and remote monitoring applications
  • 【Flexible Mode Selection】 Configurable via S0/S1 pins for five working states including multimedia key support; SEL pin sets upper or lower computer mode; hot plug supported on both host and device sides for easy integration
  • 【Reliable Signal Transmission】 Converts HID signals from keyboard mouse and scanning gun to UART serial port; extends communication up to 1200 meters; uses shielded twisted pair to reduce interference and ensure stable data transfer
  • 【User-Friendly Design & Wide Application】 Supports 3.3V to 5V power supply with 5% fluctuation; includes GND TXD RXD DP DM pins for direct connection; Suitable for PLC man-machine interface remote operation and security monitoring systems

Full Specifications

BrandMusRock
Unit Count1 Count
ConnectivityUSB
CompatibilityMac, Linux
Built-In MediaUser Manual
Mfr Part NumberModule Board Sensor
Number of Items1
Compatible DevicesSpeaker
Data Link ProtocolUSB
Data Transfer Rate12 megabits_per_second
Hardware InterfaceSerial Interface
Warranty Description2 Year

Ready to buy?

CH9350 Keyboard Mouse Scanner to Serial Port HID KVM Extension Module is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings →

*Price sourced from Amazon.com. Last updated 2026-08-15. Price and availability subject to change.

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