Static Bluetooth Activity Marker
In locations where access to 5V is challenging, traditional Bluetooth Beacons can be used to provide a Static (broadcasting a signal that changes LESS than once every year) bluetooth signals.
Note Static Bluetooth Activity Markers with nRF51822 processor is of lower performances and features than those that has the nRF52810 processor.
Holyiot 15044
The 15044 has one CR477 battery for up to 3 years operation (actual figure depends on broadcast settings and batteries used) and is also waterproof.
It has 3 colour options (white, green, black) and normally comes with a battery.
| Broadcast features | Product specifications |
|---|---|
| Chipset | nRF51822 |
| Bluetooth | BLE 4.0 |
| Protocols | iBeacon |
| Battery | 1 x 3V CR2477 (try use the 1000mAh instead of 880 mAh version) |
| Transmit | +4 dBm |
| Diameter | 46.3 mm |
| Height | 17.2 mm |
| Waterproof | waterproof claimed but no rating |
| Sample | Aliexpress |
References:
Holyiot 23006
The 23006 has dual batteries for up to 5 years operation (actual figure depends on broadcast settings and batteries used) and also a waterproof rating.
| Broadcast features | Product specifications |
|---|---|
| Chipset | nRF52810 |
| Bluetooth | BLE 5.0 |
| Protocols | GATT, Eddystone, iBeacon |
| Current | 45 uA average (with broadcast interval 500ms at 4 dBm) |
| Battery | 2 x 3.6V ER14250 (2 x 1200 mAh) |
| Transmit | +4 dBm |
| Diameter | 52 mm |
| Height | 23 mm |
| Waterproof | IP66 |
| Sample | Aliexpress |
This is more expensive, but useful when higher transmission power and rated waterproofing is required.
Daxia DX-CP28
Listed here for reference ONLY, so we can compare with competition. DO NOT buy this DX-CP28, as it does NOT work with iOS OwnTracks App.
The DX-CP28 has dual batteries for up to 5 years operation (actual figure depends on broadcast settings and batteries used).
DX-CP28 is low cost and has long battery life, but it does NOT work with iOS OwnTracks App.
| Broadcast features | Product specifications |
|---|---|
| Chipset | DA14531 |
| Bluetooth | BLE 5.1 |
| Protocols | GATT, Eddystone, iBeacon |
| Current | 28 uA average (with broadcast interval 500ms at 2.5 dBm) |
| Battery | 2 x 3V CR2477 (2 x 880 mAh or 2 x 1000 mAh) |
| Transmit | +2.5 dBm |
| Diameter | 61 mm |
| Height | 18 mm |
| Waterproof | no |
| Sample | Aliexpress |
Note most CR2477 batteries now has 1000 mAh instead of 880 mAh.
Do NOT Buy this DX-CP28, as it does NOT work with iOS OwnTracks App