Tag: Monitoring

Less than 1 month to go. Your alarm system will be affected by this closure. Time to get your 3G GPRS unit and your 3G GSM units upgraded. Contact Securex to discuss this further 08 9440 5599. Telco 3G Closure Reference pages https://www.telstra.com.au/support/mobiles-devices/3g-closure https://www.optus.com.au/support/mobiles-tablets-wearables/important-changes-3g?id=20111

3G mobile networks are being retired. This has already started with some radio frequencies (“spectrum” as it is called) being reallocated away from 3G services to newer 4G and 5G technologies. Telstra has already reduced 3G coverage by re-allocating their 850Mhz frequency and they have announced the remaining frequency (2100MHz) will be reallocated in mid-2024. […]