DEVICE COMMUNICATOR BRAND EMERSON PART NUMBER, TREXLFPKL9S3S., AMS TREX., TREX: TREX PLATFORM BASE, L: COMMUNICATION MODULE: DEVICE COMMUNICATOR PLUS COMMUNICATION, MODULE, F: APPLICATIONS: HART + FOUNDATION FIELDBUS APPLICATIONS, P: POWER MODULE TYPE: RECHARGEABLE LI-ION POWER MODULE, KL: PRODUCT CERTIFICATIONS: ATEX, CSA (US/CANADA) AND IECEX, INTRINSICALLY SAFE (INCLUDES TAX AS APPLICABLE), 9: NONE, S3: SUPPORT: STANDARD SUPPORT (3 YEAR) *INCLUDES TECHNICAL SUPPORT, AND SOFTWARE UPDATES, S: CARRYING CASE