CS-A31
Rugged Smartphone
High-performance intelligent rugged smartphone powered by a robust MT6835T octa-core chipset, equipped with Android 14, IP68/IP69K military-grade protection, professional night-vision imaging, 5500mAh long-lasting battery and full-coverage 5G communication. Designed for hazardous operations, emergency rescue and special industries.

Powerful Performance & Smooth Operation
• MT6835T octa-core up to 2.4GHz
• Android 14 OS, stable & secure
• 8GB RAM + 256GB ROM + expandable up to 1TB
Efficient Communication & Wide Coverage
• 5G full network (SA/NSA) high speed, low latency
• PoC public network walkie-talkie: single/group/broadcast calls
• Dual-microphone noise reduction
Military‑grade Protection & Durability
• IP68/IP69K certified by SGS
• Waterproof 1.5m depth for 30min, fully dustproof & drop-resistant
• 10-point touch with glove operation mode
Professional Imaging & Scientific Inspection
• 25MP night vision camera for night patrols & rescue
• 64MP main + 2MP macro for detailed inspection data
• NFC supports scientific inspection with traceable routes
Long‑lasting Battery & Massive Storage
• 5500mAh battery for uninterrupted outdoor operations
• OTG reverse charging: portable power bank
• Independent flashlight with spotlight cup
Comprehensive Functions & Intelligent Efficiency
• Infrared remote control for safe equipment operation
• Bluetooth 5.2, high-speed low-latency data
• Four global navigation systems: GPS+BDS+Glonass+Galileo



| Dimensions | 173.78mm (L) × 82mm (W) × 13.65mm (H) |
|---|---|
| Weight | 307.72g |
| Color | Black |
| Screen Size / Resolution | 6.56‑inch HD+ 720×1612px |
| Hardware Platform | MT6835T 2.4GHz octa‑core |
| Software Platform | Android 14 |
| Front Camera | 16MP |
| Rear Cameras | 64MP main + 25MP night vision + 2MP macro |
| Battery Capacity | 5500mAh |
| Battery Type | Built‑in non‑removable |
| Memory | 8GB + 256GB (expandable up to 1TB via TF) |
| SIM / TF Card | Triple slot: Nano SIM + Nano SIM + TF card |
| Network | 5G full network, dual SIM dual standby |
| Frequency Bands (selected) | GSM: B2/3/5/8; WCDMA: B1/2/4/5/6/8/19; LTE-TDD: B34/38/39/40/41; 5G-SA: n1/2/3/5/7/8/20/25/28/38/40/41/66/71/77/78/79; 5G-NSA: multiple CA combinations. Global band coverage. |
| Rugged Certification | IP68, IP69K, SGS certified (waterproof 1.5m/30min, dustproof, drop resistant) |
| Bluetooth | Bluetooth 5.2 |
| Wi‑Fi | IEEE802.11 ac/a/b/g/n, 2.4G/5GHz dual‑band |
| Operating Temperature | -20℃ ~ +60℃ |
| Physical Buttons | Left: custom key (configurable as PoC talk key); Right: power‑fingerprint 2‑in‑1 key + volume +/‑ |
|---|---|
| PoC Public Network Walkie‑talkie | Global PoC two‑way radio, unlimited distance: single call, group call, broadcast call |
| Fingerprint Identification | Supported (power button integrated) |
| Charging Interface | Type‑C USB 2.0 |
| Independent Flashlight | High‑brightness with spotlight cup (torch function) |
| Positioning | GPS + BDS + Glonass + Galileo (quad‑mode precise positioning) |
| NFC | Supported (scientific inspection, traceable routes) |
| FM External Play | Supported (FM speaker) |
| OTG | Supported, reverse charging up to 5W (power bank mode) |
| Infrared Remote Control | Supported (safe remote equipment operation) |
| Sensors | Proximity, light, gravity, acceleration, gyroscope, compass (geomagnetism), coulomb meter, pedometer, infrared sensor |
Hazardous Operation Scenarios
Petroleum · Chemical · Refining · Coal mine
Emergency Rescue Scenarios
Firefighting · Earthquake · Flood · Rescue missions
Special Industries
Rail transit · Smart airport · Mobile law enforcement · Special industrial solutions

