Before you decide to purchase RFID reader modules, you should understand a little bit about the technology behind them. In this article, I'll talk about the HYM730, Lepton3 and Lepton7 and how to use them with GPIO adapters. These modules have different hardware, and each one is slightly different. However, they all share the same basic functionality. And because of this, you'll have a much easier time making an informed decision.


The HYM730 RFID Reader Module has a UHF frequency range of 840960MHz and uses a R500 chip. The device supports the EPC C1G2 protocol and a density reader working mode. The device is compatible with a variety of RFID tags and can be used for complex asset management, logistics, and costume industry applications. Its antenna is placed externally and includes an external mounting bracket.


CAEN RFID has unveiled two new RAIN RFID reader modules, the Lepton3 and Lepton7, powered by Impinj's new E310 and E710 RFID reader chips. CAEN RFID is an early adopter of these chips and a Gold Partner with Impinj. The Lepton3 and Lepton7 are battery-powered devices with output powers of 25 and 30 dBm, respectively. This means they're suitable for short-range applications.


The CAEN RFID Lepton7 is a high-performance embedded RFID reader with an output power of 30dBm. It is designed for use in high-end handheld devices, smart shelves, and voice-operated gloves. Its low power consumption and pin-compatible design make it ideal for use in diverse regulatory environments. Its low power consumption and high reading speed make it ideal for use in highly dense tag and reader environments.

HYM730 with GPIO Adapter

The GPIO adapter of HYM730 makes it easy to use a programmable Arduino with an HYM730. Its GPIO connector is a standard Cat 5 patch cable. It also features a solderless breadboard connector. You can connect other components to this GPIO adapter. You can add the GPIO adapter to your cart as a Related Accessories item.

HYM730 with USB Connection

The HYM730 RFID reader module with a USB connection is easy to use and has an external antenna port. However, when it comes to antenna placement, there are some basic design guidelines to remember. For example, the antenna should be placed away from metallic objects, or at least one centimeter from these objects. It should also be placed away from metallized plastic enclosures. Finally, it should be placed at least one centimeter away from the USB port, to protect the device from damage.

HYM730 with TTL

The HYM730 with TTL RFID read module includes an external antenna port. There are some design guidelines to follow to ensure antenna performance. For example, avoid placing the antenna too close to metallic objects, or enclosing it in a metallized plastic enclosure. A plastic enclosure should be at least one centimeter away from the antenna. Moreover, avoid placing the antenna in an enclosure where it will be exposed to dust or other particles.

HYM730 with 3.3V

The Impinj HYM730 with 3.3V is a RFID reader module that is cost-effective and can be used for a high-level UHF desktop reader, middle-range handheld RFID reader, and integrative application. It supports the dense reader mode and can be easily established with an easy-to-use interface circuit and power supply. It also works well with various card types, including contactless cards from different suppliers.


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