SW-EXT 10B - SecureWave Expander - 10 Zone Boxed Application The 10 zone expander is for use with the SW 1070 and SW 20140. Specification 10 Zones, all fully analysed 2 Programmable Relay Outputs Manual push button for relays High-speed expander bus EN50131-1 (Grade 2) Finish Standards Downloads SW EXT10 (.pdf, 157 kB) Close SW-OP8 Boxed - SW 8 Output Card Boxed SW-OP8 - SW 8 Output Card SW-GSM-SC / WiFi Ext - Extender for GSM Sc & WiFi Card