A technician using Oscium Nomad with Hamina Onsite

May 12, 2026

Case Study Part II: Diagnosing Hidden Roaming & Coverage Issues in a Dense Warehouse with the Oscium Nomad

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In Part I of this series, the Oscium Complete Bundle saved a high-stakes weekend warehouse migration in Dallas by uncovering a hidden U-APSD compatibility issue on an RF scanner that was threatening the entire go-live.

In Part II, we look at a completely different challenge in a large Indiana warehouse. The customer was experiencing noticeable sluggishness in their HTTPS ERP application on iPads and handheld devices while roaming between aisles. The network had already been reviewed by an engineer using an Ekahau Sidekick and the Wi-Fi vendor’s built-in packet capture — both came back with “no material issues.” Yet real users continued to report lag.

The Challenge

A large warehouse was experiencing noticeable sluggishness in their HTTPS ERP application on iPads and handheld devices. An earlier review using an Ekahau Sidekick and the Wi-Fi vendor’s built-in packet capture found “no material issues.” Yet real users continued to report lag during roaming between aisles.

The Oscium Complete Bundle Solution

The engineer walked the warehouse aisles with the Oscium Nomad connected to a Windows PC running the MetaGeek App (plus Wi-Spy spectrum analyzer), actively capturing the real-world behavior of the target iPad client (MAC 32:82:13:87:a4:ce) on the 5 GHz GFReynolds-RF1 SSID. The Nomad followed the client seamlessly across multiple UniFi U6 LR access points.

Key Findings from the Capture (AI Analysis.pdf review):

• The iPad stayed correctly on 5 GHz (no band steering failures).

• Elevated retry rates in the warehouse captures: uplink 10.3–10.8 %, downlink 12.7–16.4 % (vs. only 6.7–7.1 % in the cleaner production area).

• Significant weak-signal airtime: 22–23 % of AP-to-client frames below –70 dBm (vs. just 2.2 % in production).

• Roaming itself was not fundamentally broken — 802.11r, BSS Transition, and action frames were working — but the client was spending too much time in marginal coverage zones, driving retries and perceived lag.

• Broadcast/multicast traffic was present but not the primary issue (already mitigated by multicast-to-unicast and other optimizations).

Download the full technical PCAP analysis:

AI Analysis.pdf – Full MetaGeek + Oscium Nomad Review of iPad Roaming & Coverage

The Fix & Results

The Nomad data pinpointed exact weak-signal aisles. Additional APs were placed and overlap was rebalanced. A follow-up RF/RSSI survey (again using the dual-purpose Nomad) confirmed improved uplink signal and reduced retries. ERP application performance returned to peak levels. The customer now has confidence in their warehouse Wi-Fi and has expanded the relationship.

Immediate ROI: Both Engagements Paid for the Oscium Complete Bundle

Both of these real-world warehouse deployments paid for the entire Oscium Complete Bundle (Nomad + Wi-Spy + MetaGeek App) on the very first job. In each case, the customer not only solved a critical Wi-Fi problem that other tools couldn’t diagnose — they immediately saw the value and have since become repeat clients who are no longer price-sensitive. The Oscium Complete Bundle didn’t just help fix the networks… it proved its worth and opened the door to ongoing work.