WIFI CHANNELS SUPPORTED
802.11 b, g, or n - ONLY 2.4GHz band, 20MHz or 40MHz channels 1-14
Optimal for CarePredict Tempo Devices: 802.11 n @ 2.4GHz, 20MHz, channels 1, 6, 11
CarePredict does NOT operate on 5GHz channels
CarePredict does NOT operate on 802.11 AC
RECEIVED SIGNAL STRENGTH INDICATION (RSSI) (i.e., the power level that WiFi access point emits)
Measured at every location a resident could seek help by pressing a button on Tempo
Minimum RSSI: -60dBm
Optimal for CarePredict Tempo Devices: -45dBm or better
Tempo devices use WiFi in the following situations to communicate to its cloud servers via the Internet:
- A Tempo detects a change in location
- A Tempo button is pressed
- A Tempo periodically (typically every 5 minutes) sends a status notification
- A Tempo downloads an Over the Air (OTA) firmware update
- A Tempo is part of a 2-Way voice conversation
Most of the time, each Tempo typically sends a data packet of 500 bytes (with overhead about 4000 bytes) or less every few minutes. In the worst case of scenarios #1 thru #4, if every Tempo simultaneously transmitted at the same time it would require the following amount of bandwidth: Number of Tempos x 4000 Bytes x 10 secs. For example, 100 Tempos x 4000 Bytes = 4mbps for 10 secs.
In scenario #5, Tempo device streams voice packets to an iOS or Android smart device which in a full duplex situation can be up to 320kbps upload, and 320kbps download for each 2-way conversation that is occurring.
CarePredict also uses iOS or Android devices with native apps for care staff to monitor alerts, see real time location of other staff and residents and to initiate 2-way conversations between two devices (iOS/Android to Tempo Device or iOS/Android device to iOS/Android device). The iOS and Android devices receive an update to the real time location map every second or two and use a few 100 bytes or less for each update. However, for 2-Way streaming conversations, each device can use up to 320kbps upload + 320kbps download for a full duplex conversation.
SSID and QUALITY OF SERVICE
Optimal for CarePredict: Dedicated, password protected SSID (typically “carepredict”) with High-QoS to enforce dedicated bandwidth
(High-QoS means that the CarePredict SSID will receive first priority over all other SSIDs.)
INTERNET COMMUNICATION – TCP PORTS
TCP Traffic allowed outbound on ports 80 and 443