EC21 Product Catalogs - communication antenna

Faraway Remote GSM SMS Controller(4I/2O/USB Ports) by Smart Mobile Apk Soft S140

20150730

communication by external microphone and speaker; ◆ Supports armed, disarmed, inquiry status, switch on or off relay output by SMS Commands; ◆ Password protected, prevents unauthorized user; ◆

GSM Alarm System with MMS&SMS Function(YL-007M8A)

20110726

This Excellent GSM + Camera alarm system bases on the GSM network, integrates the communication technology, can automatically take photos of the intruders or burglars and send it to cell phone, so

Focus Wireless Double Side Light and Sound Siren

20141215

6.Power supply: DC15-18V (with 220VAC power adaptor) 7.Backup battery:12V 8.Standby current:<220uA 9.Electric Current: <1.2A 10.Frequency:433MHz 11.Wireless communication distance: 200m