

The M3 Mobile SM20 F is a rugged full-touch Android mobile computer in a slim smartphone format – built for retail, warehouse, logistics, delivery and field-service staff who scan all day. It combines a 5" HD Gorilla Glass display, a 2.0 GHz Qualcomm Snapdragon 662 octa-core processor, 4 GB RAM / 64 GB flash, 4G LTE, Wi-Fi 5, Bluetooth 5.1, NFC, a hot-swappable battery and IP65 sealing. This version, SM2F4R-S2CHSE-HF, is the F (frozen) model with anti-fog display, 4G LTE and GPS for cold stores and freezers down to −30 °C. Configuration: the SE4710 2D imager, 4 GB RAM / 64 GB flash, Android 12 with GMS, extended low-temperature 6150 mAh battery.
📦 What's in the box – SM2F4R-S2CHSE-HF
- M3 Mobile SM20 F – mobile computer, black, 5" HD, SE4710, 4 GB / 64 GB
- Battery – low-temperature 6150 mAh Li-ion for cold-store and freezer use, hot-swappable
- Google Mobile Services (GMS) – licensed and preinstalled – Google Play and Google apps ready to use
- Protective display film – fitted to the device
- Quick start guide – drivers, tools and user guides are a free download from M3 Mobile
💡 To get started, you might also consider a 2-slot charging cradle with a power supply, or a snap-on charging adapter with a USB power adapter, to charge the SM20 F – plus a SIM card from your mobile operator for mobile data.
Key Features
- Rugged yet slim – only 22 mm thin and 266 g light, IP65 dust and water protection, 1.2 m drops to concrete (1.8 m with protective boot) and 500 tumbles at 1 m with boot.
- F (frozen) model – anti-fog display and low-temperature battery technology for reliable work in cold stores and freezers down to −30 °C, with 4G LTE (mini SIM + eSIM) and GPS.
- SE4710 2D imager – reliable 1D/2D reading of everyday barcodes, also from smartphone screens.
- 5" HD display – Corning Gorilla Glass touchscreen, readable outdoors and usable with gloves; 2 side scan keys plus Home, Back, Menu and Enter keys.
- Extended low-temperature 6150 mAh battery with hot swap – long runtime even in freezers; change the battery without switching off.
- Performance and long Android support – Qualcomm Snapdragon 662, octa-core 2.0 GHz, 4 GB RAM / 64 GB flash (microSD up to 512 GB), Android 12 with GMS and planned upgrades up to Android 13, 16 MP auto-focus rear camera and 5 MP front camera.
- Uses the SM15 accessory range – SM15 charging and Ethernet cradles, USB snap-on chargers, pistol grips, UHF RFID snap-on, wearable mounts and vehicle cradles fit the SM20, so existing SM15 installations can be upgraded easily.
- M3 SPEEDPACK – the StartUp tool configures hundreds of devices at once by scanning a few barcodes; MDM support (e.g. SOTI).
Ideal Applications
- Warehouse picking, receiving, put-away and inventory
- Cold-chain logistics, cold stores and deep-freeze warehouses (F model)
- Retail stock and price checks, click and collect and mobile POS
- Parcel, courier and last-mile delivery with proof of delivery
- Field service, maintenance and asset tracking
- Transport, logistics and yard management
- Manufacturing and spare-parts stores
All SM20 Versions
The highlighted row is the version you are currently viewing.
| Part Number | Model | Scan Engine | Operating System | Battery | |
|---|---|---|---|---|---|
| SM2X4R-R2CHSE-HF | SM20 X | SE4710 | Android 11 GMS | Extended 6150 mAh | View product |
| SM2X4R-R2CHSS-HF | SM20 X | SE4710 | Android 11 GMS | Standard 4100 mAh | View product |
| SM2X4R-S3CHSE-HF-ST | SM20 X | SE4750 | Android 12 GMS | Extended 6150 mAh | View product |
| SM2X4R-S3CHSS-HF-ST | SM20 X | SE4750 | Android 12 GMS | Standard 4100 mAh | View product |
| SM2X4R-RFCHSE-HF | SM20 X | SE5500 | Android 11 GMS | Extended 6150 mAh | View product |
| SM2X4R-RFCHSS-HF | SM20 X | SE5500 | Android 11 GMS | Standard 4100 mAh | View product |
| SM2F4R-R2CHSS-HF | SM20 F | SE4710 | Android 11 GMS | Low-temp. 4100 mAh | View product |
| SM2F4R-S2CHSE-HF (this version) | SM20 F | SE4710 | Android 12 GMS | Low-temp. extended 6150 mAh | Viewing |
| SM2F4R-S3CHSE-HF | SM20 F | SE4750 | Android 12 GMS | Low-temp. extended 6150 mAh | View product |
| SM2F4R-S3CHSS-HF | SM20 F | SE4750 | Android 12 GMS | Low-temp. 4100 mAh | View product |
| SM2F4R-SFCHSE-HF | SM20 F | SE5500 | Android 12 GMS | Low-temp. extended 6150 mAh | View product |
| SM2F4R-SFCHSS-HF | SM20 F | SE5500 | Android 12 GMS | Low-temp. 4100 mAh | View product |
Technical Specifications
| Part Number | SM2F4R-S2CHSE-HF |
|---|---|
| Model | M3 Mobile SM20 F – F (frozen) model with anti-fog display and low-temperature battery of the SM20 full-touch series |
| Operating System | Android 12 with Google Mobile Services (GMS); upgrade support up to Android 13; M3 StartUp for GMS and service control |
| Processor | Qualcomm Snapdragon 662 (SM6115), octa-core 2.0 GHz, Adreno 610 GPU |
| Memory (RAM / Flash) | 4 GB RAM / 64 GB UFS Flash |
| Expansion | microSD, user-accessible (up to 512 GB SDXC) |
| Display | 5.0" HD IPS (1280 × 720), LED backlight, Corning Gorilla Glass; anti-fog technology |
| Touch Panel | Capacitive – finger, gloved finger and conductive stylus (sold separately) |
| Buttons | Power, volume +/–, camera key, 2 side scan keys (left/right), 4 front keys (Home, Back, Menu, Enter/Scan) |
| Scan Engine | Zebra SE4710 1D/2D imager (standard range) |
| Rear Camera | 16 MP auto-focus (PDAF) |
| Front Camera | 5 MP |
| Wi-Fi | Wi-Fi 5 – IEEE 802.11 a/b/g/n/ac/d/e/h/i/k/r/w, ac Wave 2, dual-band; WPA3; fast roaming (802.11r, OKC, CCKM) |
| Bluetooth | Bluetooth 5.1 with BLE |
| NFC | ISO 14443 A/B, ISO 15693, MIFARE; P2P and host card emulation (HCE) |
| Mobile Data (WWAN) | 4G LTE FDD B1/3/5/7/8/20, TDD B38/40/41 with VoLTE; UMTS/HSPA+ B1/5/8; GSM/GPRS/EDGE 850/900/1800 MHz |
| SIM | 1 mini SIM + 1 eSIM |
| GPS/GNSS | GPS, GLONASS, BeiDou, Galileo, QZSS, SBAS, NavIC |
| Voice & Audio | Speaker, two microphones with noise cancellation, speakerphone, vibration; Bluetooth headset support; voice calls via 4G (VoLTE) |
| Ports | USB 2.0 OTG via the docking connector – used with a USB snap-on or charging cradle (no separate charging socket) |
| Sensors | Light sensor, proximity sensor, accelerometer, gyroscope, magnetometer (eCompass) |
| Notifications | Audible tone, multi-colour LEDs, vibration |
| Battery | Extended low-temperature 6150 mAh / 3.8 V Li-ion smart battery; hot-swappable with WWAN/WLAN/Bluetooth session persistence |
| Charging | In a charging cradle (e.g. SM15-2CRD-CC0 with SM15-PWSP-2EU) or with a USB snap-on charging adapter – not included |
| Form Factor | Full-touch rugged mobile computer (smartphone format) |
| Dimensions | 76.4 × 154.6 × 22 mm (W × H × D) |
| Weight | 266 g (with standard battery) |
| Drop Spec | 1.2 m to concrete (1.8 m with bumper boot) |
| Tumble Spec | 1,000 tumbles at 0.5 m; 500 tumbles at 1 m (with boot) |
| Sealing | IP65 |
| Operating Temperature | −30 °C to 60 °C |
| Storage Temperature | −40 °C to 80 °C |
| Humidity | 5–95% RH non-condensing |
| Software & Management | M3 SPEEDPACK incl. StartUp (mass configuration via barcodes / PC); MDM support (e.g. SOTI) |
| Colour | Black |
| Warranty | 12 months (M3 Mobile 1-year hardware warranty) |
| In the Box | M3 Mobile SM20 F mobile computer (SM2F4R-S2CHSE-HF), extended low-temperature 6150 mAh Li-ion battery, protective display film, Google Mobile Services (GMS) licence preinstalled, quick start guide |
The SM20 series comes as the standard SM20 (−20 °C to 60 °C) and the SM20 F frozen model (−30 °C to 60 °C), each with 4G LTE and a choice of scan engines and batteries. For normal temperatures, the standard model M3 Mobile SM20 X (SM2X4R-R2CHSE-HF) is available. Prefer a different scan engine? The M3 Mobile SM20 F (SM2F4R-SFCHSE-HF) comes with the SE5500 Smart Focus imager for codes near and far. Its predecessor is the M3 Mobile SM15; M3 Mobile's current flagship full-touch model is the M3 Mobile SM30. Compare all models in our Handheld Terminals collection, or contact our team for volume pricing, staging and MDM set-up.
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