Supply, Delivery and Installation of a GSM Lift Intercom System
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Johannesburg Water invites suitably qualified firms to attend a compulsory site briefing and submit quotations for the supply, delivery and installation of a GSM lift intercom system. The system must include a lithium battery and prepaid SIM card loaded with R250 airtime, be configured to dial one designated telephone number and send an SMS notification to one designated cellular number.
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