| Bluetooth, standard range | Often around 10 m (33 ft); walls, shelving, interference, and the host device can reduce usable range. | Pairs with a compatible computer, tablet, or mobile device. Confirm supported Bluetooth profiles and operating-system compatibility. | Check reconnection behavior after the host sleeps or moves out of range. Confirm whether scans are queued during disconnection or require a live connection. | Checkout counters, mobile workstations, and small work areas. |
| Bluetooth, extended range | Some Class 1 implementations specify up to 100 m (328 ft) under favorable conditions; this is not a guaranteed indoor working distance. | Actual range depends on both radio devices, antenna design, obstacles, and local radio conditions. Verify the scanner-to-host combination, not just the scanner specification. | Test at the farthest work point with doors, racks, and people in normal positions. Measure missed, delayed, and duplicate entries during repeated scans. | Larger work areas where a compatible host can remain within radio coverage. |
| Proprietary 2.4 GHz receiver | Varies by system; some specify tens of metres or more in open space. Walls and interference can substantially reduce range. | Uses a dedicated USB receiver and is generally intended for a nearby host. Check receiver availability, USB compatibility, and whether multiple scanners can share a receiver. | Confirm how the system indicates a lost link and whether scans are stored and forwarded after reconnection. Verify that reconnecting does not resend completed transactions. | Fixed workstations that need a simple wireless link to a computer. |
| Wi-Fi | Depends on the site’s wireless network, access-point placement, and configuration; there is no single scanner-to-host range. | Can connect across a managed network. Check network-band support, authentication requirements, roaming behavior, and integration with the receiving application. | Test roaming between access points, brief network outages, and application-server interruptions. Confirm local buffering, delivery confirmation, and duplicate handling. | Large facilities with managed Wi-Fi and network-based workflows. |
| Offline batch operation | Range is less important while scanning; recorded data is transferred when the scanner reconnects or is docked. | Check the stated storage capacity, supported barcode formats, transfer method, and whether the workflow requires a separate application or dock. | Verify capacity against the expected scan volume. Test power loss, full storage, interrupted transfer, and duplicate prevention before deployment. | Inventory counts and other tasks where continuous live transmission is unnecessary. |