Datalogic 3138 RFID Sled for Memor Family

Brand - Datalogic

The Datalogic 3138 RFID Sled is a high-performance UHF RFID handheld reader designed to extend enterprise mobile computers with fast, accurate RFID data capture. It is especially positioned for the Datalogic Memor ecosystem, including Memor 11, Memor 12 / 17 and Memor 30 / 35 devices through dedicated mounts and ePop-Loq integration. The 3138 RFID Sled is not a standalone PDA and not a traditional 1D / 2D barcode scanner. Its main role is to add powerful UHF RFID reading and writing capability to mobile workflows where workers need to identify many tagged items quickly, accurately and with minimal manual scanning. A key strength of the 3138 is RFID speed. With a custom module based on the Impinj E710 engine, the device can read up to 1,200 RFID tags per second. This makes it suitable for high-volume inventory, cycle counting, item tracking, receiving control and location workflows where standard barcode scanning would be too slow. The device supports EPC Class 1 Gen 2 v2 RFID standards. Nominal RFID read range is up to 9 m / 29.5 ft, while nominal write range is up to 4 m / 13.1 ft. As with all RFID systems, actual read and write performance depends on tag type, tagged items, number of tags in the field, antenna orientation, environment and other radio conditions. The 3138 uses a forward-facing field of approximately 150 degrees and a right-hand circularly polarized antenna. Frequency ranges are listed as EU 865–868 MHz and 916–919 MHz, and US 902–928 MHz. Maximum output power is up to 30 dBm, region dependent, with a +4.0 dBiC antenna. The sled supports multiple RFID operations in one scan, including read, write and lock. This gives operators more flexibility when performing bulk encoding, item verification, inventory updates or security-related RFID workflows. Intelligent de-duplication is another important capability. The source states that the device can manage up to one million transponders without slowing the host. This helps reduce duplicate tag reads and keeps host-side processing more efficient during dense RFID inventory sessions. The 3138 also supports batch mode operation. With real-time clock support, it can collect data independently of a host connection and store large numbers of tags and barcodes with date and time stamping. Embedded storage is 32 GB as standard, with support for up to 256 GB microSD card storage. The source also states that the device can store up to 500 million date- and time-stamped EPCs. Integration with the Memor family is one of the main positioning points. By combining the 3138 RFID Sled with Datalogic Memor mobile computers, customers can create modular RFID solutions that combine enterprise Android mobile computing with high-performance UHF RFID capture. The ePop-Loq interface provides a secure physical connection between the reader and the host device. It also allows both the RFID sled and the connected Memor PDA to charge simultaneously, depending on configuration and accessories. This is useful for fleets where operators need a single combined RFID and mobile-computing solution. The 3138 also supports broad wireless and wired communication. Bluetooth connectivity supports SPP, HID, Apple iAP2 and Bluetooth Low Energy. Bluetooth pairing can be handled through Simple Secure Pairing or NFC out-of-band pairing. Bluetooth range is listed as up to 100 m in open-field conditions, depending on host and environment. The device is hardware and operating system independent. Through Bluetooth, it can work with compatible Android, iOS, Linux, Mac and Windows hosts that support the required Bluetooth profiles. Through USB, it can connect to hosts with USB CDC support, including Windows, Linux, Mac and Android systems. The latest ASCII 3 parameterized command set is designed to simplify development and integration. This makes the 3138 suitable not only for ready-made Memor-based deployments, but also for custom RFID applications across different host platforms. Security is supported by a HID OmniKey security chip. This can be relevant for enterprise RFID applications where secure authentication, controlled access or protected communication workflows are required, depending on implementation. The device is designed for continuous operation. It uses a rechargeable 25.4 Wh, 7.3 V lithium polymer battery pack. Minimum operating time is listed as up to 20 hours in light use, approximately 11 hours in moderate use and approximately 6.5 hours in heavy use, based on preliminary estimates and stated usage profiles. A power handle with extended battery and hot-swap support helps enable 24/7 operation. This is important in warehouses, retail back rooms, logistics centers and healthcare inventory environments where RFID tasks may continue across shifts. Charging and power depend on the setup. USB-C with Power Delivery supports 40 W with ePop-Loq and 20 W for the reader only. A charging cradle is required only for the Pogo Pins version, and the listed charging cradle can provide dual charging of the UHF RFID reader and a connected Memor 11 PDA. The physical design is rugged and practical. Dimensions are 158 x 98 x 170 mm, and the weight is 550 g including the power handle. The housing is made of polycarbonate. User input is handled through a trigger button, while user feedback includes configurable speaker, vibration motor and LED. The 3138 is built for real-world mobile RFID use. It has IP54 sealing, resists multiple drops to concrete from 1.2 m at ambient temperature and 0.9 m across the operating temperature range, and withstands 1,000 tumbles from 0.5 m. ESD protection is ±15 kV air discharge and ±8 kV contact discharge. The source states that the device meets and exceeds applicable MIL-STD 810F requirements for drop, tumble and sealing. Operating temperature is -10°C to 50°C, charging temperature is 5°C to 40°C, and humidity tolerance is 5% to 85% non-condensing. Storage guidance is more restrictive for longer periods: less than one month at -20°C to +45°C and less than six months at -20°C to +35°C. Typical retail applications include in-store inventory, back-room inventory, item location and price checking. In transportation and logistics, the device supports receiving control, picking, item tracking and location, and air baggage tracking. In manufacturing, the 3138 RFID Sled supports material inventory, finished-goods inventory, locating, cycle counting, receiving control and automatic replenishment. In healthcare, it can support surgical instrument tracking, sample tracking, blood bag tracking, pharmaceutical inventory and laboratory inventory. Accessories include active ePop-Loq cases for Memor devices, swap power handle, USB-C cable, power wall adapter, charging cradle for the Pogo Pins version, and adapter mounts for selected smartphones and handheld terminals. Exact accessory requirements should be checked by host device and connection method. Overall, the Datalogic 3138 RFID Sled is a high-performance UHF RFID reader for organizations that need fast RFID inventory, item tracking and asset identification with flexible host integration. Its strongest value lies in the Impinj E710 RFID engine, up to 1,200 tags per second, up to 9 m nominal read range, up to 4 m write range, intelligent de-duplication, batch mode, 32 GB embedded storage, ePop-Loq integration with Memor devices, Bluetooth / USB host compatibility, HID OmniKey security, power handle with hot-swap support and rugged IP54 design.

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