The Resona A20 is Mindray's ultra-premium cart-based diagnostic ultrasound, built on its Acoustic Intelligence Technology (AIT) platform with AFM transducers, FreeBeam beamforming and FreeIQ processing. It combines a 27-inch HD display and five active transducer ports with advanced clinical tools such as HD Scope+, Ultra Micro-Angiography, Super Resolution CEUS and STVi shear-wave viscoelastography. It is FDA 510(k) cleared (K253049, 11 February 2026) across the Resona A20 / Eagus A20 family.
Highlights
- 27-inch HD monitor, 5 active transducer ports and a floating electrically controlled control panel
- AFM transducers offered at 18 MHz, 24 MHz and 33 MHz for ultra-high-frequency imaging
- HiFR CEUS captures perfusion 6-8x faster than traditional contrast-enhanced ultrasound
- AFM transducer technology increases echo intensity by more than 50 percent
- 138 kg standard cart, up to 1 hour of battery scanning and 1170 VA maximum power input
- Supports 17 transducer models and contrast agents for liver, LVO and pediatric use
Technical parameters
Imaging
| Imaging modes | - B
- M
- PWD
- CWD
- Color Doppler
- Power Doppler
- combined modes
- Tissue Harmonic Imaging
- iScape View
- Color M
- TDI
- V Flow
- Smart 3D
- 4D
- Strain Elastography
- STE
- STQ
- Contrast Imaging
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| Advanced imaging technologies | - HD Scope+
- Ultra Micro-Angiography (UMA)
- HiFR CEUS
- Super Resolution CEUS
- Sound Touch Elastography (STE)
- STVi
- Holo-PWV
- V Flow
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| HiFR CEUS speed | 6-8 times faster than traditional CEUS |
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| AFM transducer echo intensity gain | Over 50 percent increase |
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| Contrast agents cleared | LVO, Liver and Pediatric (Cardiac, Liver, Urinary Tract) |
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Display
| Monitor | 27-inch HD LCD |
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| Monitor width | 650 +/- 20 mm |
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| Control panel | Electrically controlled floating panel with customizable touch bar |
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Probes
| Compatible transducers | - 17 models including SCM7-1U
- SC7-1U
- C11-3U
- LM18-5WU
- L16-4HU
- LM24-6WU
- L33-8U
- SPM6-1U
- SV10-2U
- ELC13-4U
- DE10-3WU
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| Active transducer ports | 5 active transducer docking ports |
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| Ultra-high-frequency transducers | 18 MHz (LM18-5WU), 24 MHz (LM24-6WU) and 33 MHz (L33-8U) |
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| L33-8U application depth | Superficial, dermatology and MSK imaging of structures less than 2 cm deep |
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Physical
| Dimensions, folded | 1035 +/- 20 mm (D) x 650 +/- 20 mm (W) x 1166 +/- 20 mm (H) |
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| Dimensions, unfolded | 924 +/- 20 mm (D) x 650 +/- 20 mm (W) x 1919 +/- 30 mm (H) |
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| Weight | 138 +/- 10 kg standard; 150 +/- 15 kg with Assisted Moving Mode |
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| Operating environment | 0 to 40 C, 20-85% RH non-condensing, 700-1060 hPa |
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Power
| Power input | 100-240 V~, 50/60 Hz, 1170 VA |
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| Auxiliary power output | 100-240 V~, 50/60 Hz, 240 VA max |
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| Battery | 10Pack / 5Pack / 2Pack options; up to 1 hour battery scanning (10Pack) |
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Connectivity
| Network | RJ45 10M/100M/1000M; Wi-Fi 802.11 a/b/g/n/ac/ax, 2.4 GHz and 5 GHz, output <= 20 dBm |
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| Physical ports | HDMI 2.1 Type A, USB 3.0 Type A, Type-C USB 3.0, VGA, S-Video, ECG, PCG |
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| Interoperability | DICOM/HL7, LDAP, DICOM TLS 1.2, NTP/SNTP |
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Software
| Operating system and storage | Linux 64-bit (kernel 5.15.145); x86 3.2 GHz CPU; 1 TB hard disk |
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| Security | - AES-256 encryption at rest
- DICOM TLS 1.2
- LDAP authentication
- role-based privileges
- application whitelisting
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Regulatory
| FDA clearance | K253049, cleared 11 February 2026; Class II; product codes IYN, IYO, ITX |
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| Safety classification | Class I externally powered plus internally powered; Type-BF and Type-CF applied parts; continuous operation |
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Applications
- Abdominal and liver imaging, including liver fibrosis assessment with STE / STVi
- Obstetrics and fetal imaging (Smart OB, Smart NT, Smart FLC, Smart Fetal HR)
- Gynecology and pelvic imaging including trans-vaginal and trans-rectal exams
- Adult and pediatric echocardiography including TEE, TDI, AutoEF and contrast
- Peripheral vascular and carotid imaging (Holo-PWV, V Flow, wall shear stress)
- Musculoskeletal and superficial small-parts imaging with the 33 MHz L33-8U
- Urology and trans-rectal prostate imaging including fusion imaging
- Neonatal and adult transcranial (cephalic) imaging
Manufacturer
Shenzhen Mindray Bio-Medical Electronics Co., Ltd., Shenzhen, Guangdong · https://www.mindray.com
Mindray (Shenzhen Mindray Bio-Medical Electronics Co., Ltd.) was founded in 1991 in Shenzhen and is listed on the Shenzhen Stock Exchange (300760). It manufactures patient monitoring, in-vitro diagnostics, medical imaging and life-support equipment, reporting 60+ subsidiaries, 21,200+ employees, 12 R&D centres and products sold in 190+ countries and regions. It states it reinvests over 10% of annual revenue in R&D and holds 13,300+ patent applications.
Sources
- https://www.mindray.com/en/products/ultrasound/general-imaging/resona-a20
- https://www.mindray.com/content/dam/xpace/en_gb/resources/brochures/mindray-resona-a20-brochure.pdf
- https://www.mindray.com/content/dam/xpace/en_us/products-solutions/products/ultrasound/general-imaging/resona-a20/technical-documents/H-046-028241-00_ResonaA20-Operators_Manual_BasicFDA4.0-04-26.pdf
- https://www.accessdata.fda.gov/cdrh_docs/pdf25/K253049.pdf
- https://www.youtube.com/watch?v=DlFPL5C9rFY