Smart Payment Soundbox (4G LTE) – Custom White-Label Solution

Real-Time Voice Alerts for Instant Payment Confirmation

Our Smart Payment Soundbox is a cloud-connected audio notification device designed for merchants who need instant, reliable transaction alerts in high-volume and noisy environments. Powered by 4G LTE connectivity, this compact soundbox announces payment confirmations in real time, ensuring no transaction is missed—even during peak business hours.

Built as a white-label hardware solution, it can be fully customized with your brand, firmware logic, voice prompts, and backend integrations.

Key Use Cases

• Retail stores & supermarkets
• QSRs & food courts
• Street vendors & kiosks
• Parking payments
• Toll booths & transit counters
• Event ticketing & cashless counters

Key Features

🔊 Loud & Clear Voice Broadcast

• High-power speaker delivers clear, audible payment confirmations
• Optimized for busy and crowded merchant locations
• Ensures merchants never miss a successful transaction alert

☁️ Cloud-Connected & Real-Time

• Always-on 4G LTE connectivity
• Instant synchronization with payment servers
• Prevents missed or failed transaction notifications

⚡ Fast & Reliable Performance

• Low latency communication
• Supports continuous operation during peak hours
• Designed for high transaction volumes

🧩 White-Label & Customizable

• Custom branding (logo, casing, voice prompts)
• Custom firmware & cloud API integration
• Compatible with UPI, wallet, POS, and payment gateway platforms

🔋 Built-In Rechargeable Battery

• Long-lasting Li-ion battery
• Reliable operation during power interruptions

LTE Connectivity Specifications

• LTE Module: Industrial-grade LTE Cat-1 Module
• Network Modes: FDD LTE & TDD LTE
• LTE Bands (Configurable):
  • B1/3/5/8/34/38/39/40/41
  • OR B1/3/5/7/8/20/28
  • OR B1/2/3/4/5/7/8/28
  • OR B2/4/5/7/12/13/66/40/41
• LTE Protocol: 3GPP E-UTRA Release 13
• Bandwidth: 1.4 / 3 / 5 / 10 / 15 / 20 MHz
• Data Speed:
  • FDD: Up to 10 Mbps DL / 5 Mbps UL
  • TDD: Up to 8 Mbps DL / 2 Mbps UL or 6 Mbps DL / 4 Mbps UL
• Antenna:
  • Internal FPC Antenna

Audio Specifications

• Speaker Output: 3W × 1
• Sound Pressure Level: ≥85 dB @ 100 cm
• Total Harmonic Distortion: ≤2% @ 1 kHz
• Frequency Range: 350 Hz – 20 kHz
• Impedance: 4Ω

Power Specifications

• Input Power: DC 5V / 1A
• Battery:
  • 3.7V
  • 2000 mAh Rechargeable Li-ion Battery

Interfaces & Controls

• USB Port: USB Type-C × 1
• LED Indicator: RGB Status LED × 1
• Physical Keys:
  • Power Key × 1
  • Volume Up × 1
  • Volume Down × 1
  • Function Key × 1
  • Refresh Key × 1

Why Choose HashStudioz for Payment Soundbox Solutions?

• End-to-end custom hardware + firmware + cloud
• White-label manufacturing support
• API & payment gateway integration
• Voice prompt customization
• Scalable deployment for fintechs & aggregators
• Ideal for PoC, pilot, and mass rollout

Customization & Integration Support

We offer:

• Custom firmware logic
• Multi-language voice prompts
• Payment gateway & UPI integration
• Device provisioning & OTA updates
• Dashboard & merchant management system