Product Description
SSD-EV-07B is a compact 4G personal mobile alarm device equipped with GPS tracking, two-way voice communication, IP67 waterproof protection and multiple wearing options. Available in multiple colors, it provides reliable emergency alerts for seniors, lone workers, children, and users with special needs.

The SSD-EV-07B is a small size mobile alarm system.
It is designed for monitoring and protecting people and property. In case of emergency, the person can activate it by pressing a SOS button on the unit and the two-way voice communication function allows you to talk with tracking target. Keeping busy families connected with tracking information and voice functionality. Besides, it built in 3D G-sensor that can be used for motion/ shock alarm, elderly falling, power management, and more.
Functional Features
AT&T Certification
Eview device (SSD-EV-07BX-4G) is certified on AT&T 4G LTE network and work anywhere in there is applicable cellular coverage.
Home Beacon
The beacon is a tiny wireless device broadcasting BLE signal 7/24.
Designed for indoor location via BLE connection between Eview EV-07B and beacon.
The beacons provide at home/out of home information in addition to optimizing EV-07B battery life.
Charging Bases
You simply drop your device into the charging base and walk away.
The charging base built in 800 backup battery and Bluetooth 5.0 to connect with EV-07B.
It has voice prompt include SOS alarm, fall detection, medication reminder etc.
3 buttons to call preset numbers, include SOS call.
Web+iOS/Android APP
The SMART LOCATOR allows you to track the device and receive alarms.
Users and caregivers can also check the battery level and receive alerts when the device battery needs to be charged.
Rebranding accepted, Quickly start tracking business at a very low investment.
BLE 5.0
The EV-07B can connect different sensors by using Bluetooth low energy in order to upload the information to the cloud. It allows people and system to gather data make life safer, efficient and more connected then ever before.
Product parameters
General Specifications | |
Dimension | 61x44x16mm |
Weight | 43kg |
Backup battery | Rechargeable, 3.7V,800mAh(Li-Polymer) |
Charging voltage | 5V DC |
Operating temperature | -20℃ to +60℃ for working |
Waterproof | Follow the IP67 standard |
Hardware Specifications | |
MCU | Nordic NRF52840 |
Sensor | motion & vibration sensor |
Connectors | 4 Pin-Magnet for charging |
SIMcard slot | Nano SIM card, SIM Chip |
Flash memory | 16MB |
Built-in | microphone & speaker |
WIFI | 802.11 b/g/h, 2.4G |
BLE | BT5.0 LE |
4G Specifications | |
AU | B1/B3/B5/B7/B8/B28 |
EU | B1/B3/B7/B8/B20 |
North America | FDD B2/B4/B12 |
Antenna | Built-in FPC antenna |
GPS Specifications | |
Support | GPS and Glonass |
Receiver frequency | 1575.42MHz |
Cold start | approx 26s |
Warm start | approx 2s |
Hot start | approx 1s |
Antenna | Built-in ceramic antenna |
Structural diagram
Circuit board
Speaker Call button
Screw Signal indicator
Help me button
Microphone
Battery Chat button
Application

Ideal for seniors living alone, lone workers in high-risk environments, outdoor sports enthusiasts, children, travelers, employees, and individuals with special needs. It ensures real-time emergency alerts and continuous safety monitoring in daily life or during outdoor activities.
In the box
What’s in the Box
① Quick start guide
② Charging base
③ Key-ring holder
④ Device
⑤ USB charging cable
⑥ Charger
⑦ Breakaway lanyard
Optional Accessories













