Expanders / Outputs SW-EXT10 - SecureWave Expander - 10 ZonesThe 10 zone expander is for use with the SW 1070 and SW 20140. SW-EXT 10B - SecureWave Expander - 10 Zone BoxedThe 10 zone expander is for use with the SW 1070 and SW 20140. SW-OP8 - SW 8 Output Card8 zone output cards designed for use with HKC wired and h… SW-OP8 Boxed - SW 8 Output Card Boxed8 zone output cards designed for use with HKC wired and h… SW-GSM-SC / WiFi Ext - Extender for GSM Sc & WiFi CardThe GSM-WiFi EXT can be used if you have a GSM-SC, GSM-Q …