EFL Knowledge Center

A complete knowledge system for mobile payment upgrades of self-service equipment. From industry guides to installation tutorials, from product comparisons to scenario solutions, helping operators quickly understand every step of the scan-to-pay upgrade.

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Scenario Solution

24/7 Unattended Operation Solution for Self-service Card Rooms

A complete unattended solution for self-service card rooms: from site planning, equipment selection (MPDK1SE system), scan-to-pay billing, remote management, to daily operations and profitability model analysis. Includes real case data for reference.

EFL Solutions Department 2026-07-10 15 min read Read More →
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Product Comparison

Mobile Payment Device Selection Guide: MP21S / MP28 / MP66 Comparison

Detailed parameter comparison of three flagship products: connectivity (4G/WiFi), output interfaces (pulse/serial/220V direct control), features (IC card/voice prompts/remote control), and applicable scenarios. Helps you choose the most suitable model.

EFL Product Department 2026-07-10 8 min read Read More →
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Tech Insight

4G Payment Device vs. WiFi Payment Device: How to Choose the Right Solution?

4G and WiFi are two mainstream networking methods for payment devices. This article provides an in-depth comparison across four dimensions: network stability, installation conditions, operational costs, and applicable scenarios, helping you make the best choice based on your actual equipment environment.

EFL Tech Team 2026-07-10 8 min read Read More →