Door Unit with 2-way Reader

The HTM6504iR 2-way door alarm with an ibutton reader, comes with a HTM6504iB and designed for monitoring the opening and closing of internal and external doors, allowing staff to use the entry/exit without raising an alarm but giving the added security of an alarm when the door is opened without a staff iButton fob.

Available for use with either an external IP rated enclosure or internal enclosure, the HTM6504R is powered from the HTM6504ib via a 3 - core wired connection and a remote reed switch can be used if supplied by others or required.

Technical Information 


The internal enclosure is ABS moulded c/w wall mounting bracket manufactured with an Anti-Microbial additive. The external enclosure is ABS moulded without anti-Microbial additive.


Internal box dimensions W x D x H : 48 x 30 x 200mm External IP rated box dimensions W x D x H : 55 x 50 x 75mm (may vary dependant on avaliblility)


combined 360g


Lexan with Microban additive, Luminescent for easy location in the dark,Compliant with FDA and USP requirements.

Radio Specifications

433.92MHz, usable range over 250m (free air)


Conforms to European EN 301 489-3 and ETSI EN 300 220-3 (for ERP@10Mw)


2 x AA alkaline batteries

Call Facilities

Call, Assistance, Emergency, Low battery.

Important Information 

A 3-core cable is required between the two devices.