Specifications

wLSN | Reference Guide | 7.0 wLSN Recessed Door-Window Contact
Bosch Security Systems, Inc. | 3/07 | F01U009440-01 33
7.0 wLSN Recessed Door-Window
Contact
(ISW-BMC1-R135X)
The wLSN Recessed Door-Window (DW) Contact is a wireless
transceiver used for monitoring doors and windows. Features
include:
• Recessed mounting
• An internal reed switch for use with an external magnet
assembly
• A cover tamper switch
• RFSS Mode and Discovery Mode LED
Table 13: Recessed DW Contact Specifications and Required Tools
Power/Voltage One CR2 lithium battery, 3 VDC
Maximum Distance Between
Reed Switch and Magnet
≤12,7 mm (1/2 in.)
Cover Tamper Switch
Transmits a tamper signal when the cover is
removed.
Drill Tools
Requires the use of a 19 mm (3/4 in.) drill bit
and 22 mm (7/8 in.) spade bit
Circuit Board Removal Needle nose pliers are recommended
EN50131-1 Security Grade 2, Environmental Class II
Mounting the wLSN Recessed DW Contact in a metal
door or window frame could degrade the RF signal
strength.