Landi M20 DUET: Mobile Terminal for CARDZ3N's NMI-Powered Platform
Enhanced Mobile TerminalThe M20 DUET is designed as a dual-purpose, enhanced variant of the M20 SE base model — a more capable mobile terminal for merchants who need extra display or interaction capability at the register.
Android 13, Qualcomm Quad-CoreRuns Android 13 (GMS Certified) on a Qualcomm Quad-Core, 2.0GHz processor with 3GB RAM + 32GB Flash standard — smooth performance for card-present transactions and merchant apps alike.
6.5" HD TouchscreenA spacious 6.5" IPS capacitive multi-touch display at 720×1600 resolution gives staff and customers a clear, responsive screen for every step of the transaction.
Integrated Thermal PrinterA built-in 58mm thermal printer (80mm/s print speed) handles receipts on the spot, with optional label printing support — no separate accessory needed.
Swappable 3500mAh BatteryA heavy-duty, removable 3500mAh/7.2V battery keeps the terminal running through a full shift, with the option to hot-swap for continuous mobile use.
Full Connectivity Suite2G/3G/4G cellular, dual-band WiFi (802.11 a/b/g/n/ac), Bluetooth 5.0, and GPS/GLONASS/BEIDOU positioning — the M20 DUET stays connected whether it's mounted at a counter or moving with staff.
NFC & Full Card AcceptanceAndroid NFC (ISO/IEC 14443, ISO15693, Type A/B, Mifare, FeliCa) plus a 5MP autofocus rear camera with flashlight for QR/barcode payments and 1D/2D code reading.
Built for CARDZ3N's NMI PlatformThe M20 DUET is built for merchants running on CARDZ3N's white-labeled NMI-powered payment platform — CARDZ3N sells, sets up, and supports the device directly.
Where the M20 DUET Fits
The Landi M20 DUET is designed for merchants running on CARDZ3N's white-labeled NMI-powered payment platform who want a more capable terminal than the base M20 SE — CARDZ3N sells and supports it as part of its full terminal hardware line.
NMI-Based Retail & Service CountersMerchants already processing on CARDZ3N's white-labeled NMI platform can add the M20 DUET as a more capable counter terminal without changing gateways.See Payment Terminals & Accessories
Multi-Function Retail CheckoutThe 6.5" display, integrated printer, and full connectivity suite make the M20 DUET a fit for retail and service counters wanting more interaction capability than the base M20 SE offers.Apply Now
Quick-Service & Counter-Service DiningBuilt-in printing and a large touchscreen keep counter-service food and beverage transactions moving on CARDZ3N's NMI-based processing.Apply Now
Businesses Standardizing on NMIBusinesses consolidating hardware on NMI-based processing get the DUET's added display and interaction capability over the SE without switching platforms.Apply Now
Mobile & Untethered CheckoutA swappable battery and full cellular/WiFi/Bluetooth connectivity let the M20 DUET run untethered at pop-ups, vendor booths, or line-busting checkout.Compare All Terminals
The Landi M20 DUET is a mobile Android terminal, NMI Gateway Connected, designed for merchants running on CARDZ3N's white-labeled NMI-powered payment platform. It's positioned as a more capable, dual-purpose variant of the base M20 SE — CARDZ3N sells the M20 DUET directly as hardware, quoted and supported like every other terminal in its lineup.
Download the official Landi documentation for the M20 DUET below — the real spec sheet as a PDF.
The M20 DUET sits above the M20 SE in CARDZ3N's Landi lineup — both devices are NMI Gateway Connected, but the DUET carries a higher price point, consistent with its positioning as a more capable, enhanced model. Ask your CARDZ3N rep for current pricing on both.
The DUET naming suggests a dual-purpose or dual-screen variant of the SE base model, though the exact hardware differentiation between the two is not yet fully confirmed in CARDZ3N's documentation. What is confirmed: the M20 DUET is designed as a dual-purpose, enhanced variant of the M20 SE, built for merchants who need more display or interaction capability than the base model offers, while running on the same white-labeled NMI-powered platform.
The M20 DUET is designed as a dual-purpose, enhanced variant of the M20 SE base model — built for merchants on CARDZ3N's white-labeled NMI platform who need more capability at the counter.
Full Spec Sheet
Specs below are drawn from Landi's official M20 DUET documentation — the same mobile terminal hardware platform used across the M20 line, running Android 13 with GMS certification.
Processor
Qualcomm Quad-Core, 2.0GHz
Operating system
Android 13 (GMS Certified)
Memory
3GB RAM + 32GB Flash (4GB/64GB and 2GB/16GB optional); MicroSD up to 2TB
Display
6.5" IPS capacitive multi-touch, 720×1600 HD
Printer
58mm thermal printer, 40mm roll diameter, 80mm/s; optional label printing
Scanner
None, Landi Scan Engine, or Honeywell Scan Engine (optional)
NFC / Contactless
Android NFC, ISO/IEC 14443, ISO15693, Type A/B, Mifare, FeliCa
Connectivity
Cellular 2G/3G/4G, Wi-Fi 802.11 a/b/g/n/ac (2.4G/5G), Bluetooth 5.0 (BLE)
Connection
1× USB Type-C, 2× PIN Pogo Pin
SIM / SAM slots
2× SIM + 2× SAM
Camera
5MP autofocus rear camera with flashlight; optional 2MP front camera
NMI Gateway Connected — built for CARDZ3N's white-labeled NMI-powered payment platform
✓
6.5" HD touchscreen on Android 13 (GMS Certified) — the largest display in the M20 line
✓
Swappable 3500mAh battery — hot-swap for continuous mobile use through a full shift
✓
Integrated 58mm thermal printer at 80mm/s — no separate accessory needed for receipts
✓
Positioned as a more capable, dual-purpose variant of the base M20 SE
How the M20 DUET Fits CARDZ3N's NMI Platform
1. White-Labeled NMI Gateway
CARDZ3N white-labels the NMI gateway that powers the M20 DUET's processing — merchants get CARDZ3N's own branded platform, backed by NMI's infrastructure.
2. Terminal Setup & Activation
CARDZ3N configures the M20 DUET for your NMI-based processing account before it ships — no separate gateway sign-up or manual pairing required.
3. Card-Present Acceptance
Insert, swipe, or tap — the M20 DUET's EMV, contactless, and magnetic-stripe support routes transactions through CARDZ3N's NMI-powered platform.
4. Reporting & Support
Transactions and batch reporting flow into the same CARDZ3N-branded NMI platform merchants already use — supported directly by CARDZ3N, not a third party.
CARDZ3N Pricing for the M20 DUET
As with every terminal and gateway in CARDZ3N's lineup, pricing for the M20 DUET is quote-based — CARDZ3N is the sole quoting and selling party, never the manufacturer or the gateway directly. As the higher-tier sibling of the M20 SE, the M20 DUET carries a higher reference cost, reflecting its added display and interaction capability. Ask your CARDZ3N rep for a firm quote for your setup.
The M20 DUET is built for merchants already on — or ready to move to — CARDZ3N's white-labeled NMI-powered payment platform. Apply below to get a firm quote, including any bundled setup, training, or supply needs.
Frequently Asked Questions
Common questions merchants ask before adding a Landi M20 DUET to their CARDZ3N NMI-based processing setup.
What is the Landi M20 DUET?
How is the M20 DUET different from the M20 SE?
Does the M20 DUET work with CARDZ3N's NMI platform?
What kind of businesses is the M20 DUET best for?
Can the M20 DUET run untethered?
How much does the M20 DUET cost?
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