The SR-RH-M0218 HF handheld reader is a 13.56MHz ISO15693/ISO 14443 compliant portable reading/writing device and with internal antenna, its typical operating distance is 20-60mm. With a standard USB connector, the SR-RH-M0218 is the most convenient and cheapest mobile reader to work along with you anywhere.  Its compact size, low power consumption and versatility allow a flexible and efficient application or integration in different configurations and system devices, especially for access controller, payment POS and other applications where fixed reader cant work.