External Modem for connection to LIFEPAK 500

External Modem for Connection to LIFEPAK 12 & LIFEPAK 500 AED by Physio Control. Land Transmission Only. Please note: Requires External Modem Cable p/n 11150 000007, 11150 000008 for LIFEPAK 12; Requires AED to Modem Cable p/n 11150 000001 for LIFEPAK 500.