KNZD-43A GSM Robust Intercom DESCRIPTION ITEM NO.ZD45A0042 1. Main body with whole aluminum alloy with stainless steel front plate. 2. Handset free, double loudspeaker, with indicator display while speaking. 3. Lightening protection to ITU-T K.21 4. One memory keypad. Illuminated buttons optional. 5. Adjustable 7 minute timeout optional. 6. Waterproof grade is IP55. 7. Support hotline call, can realize ring off automatically by the receiver. 8. The design is super thin and smart. Embed style and hanging style can be chosen. 9. Network interface: GSM Frequency 700MHz, /1900MHz (1700/2100Mhz is an option) 10. Power supply: DC9V/1A. 11. Operating temperature: -20℃ to +60℃. (Expanded temperature -40℃ to +70℃ is an option) 12. The housing covered with a layer of reflective label for easy identification at night. Optional 13. It can send and receive SMS message, linked to the activation of emergency buttons or to activation of local sen

Koon Technology The Global Leader In Industrial Communication • Module: SIM7500A • Ringing: Through internal speaker/ringer minutes. • Full duplex communication. • Power supply: Re-chargeable battery powered, 9V/6A h/7.4V, Solar back-up: 12V/30W. (Option) Time out: Selectable 0-20 minutes. • Automatic and remote volume control.(Option) • Supported SMS • Sound level of ringing: ^70dB(A). 1Wspeaker. On-site or remote diagnostics and programmable. (Option) • Telephone panel and shell can be selectable. ■ Operating temperature: -20 °C to +60°C. (Expand ed temperature -40 °C to +70°C is an option)...