NEXTIVITY ROAM R41 Smart Mobile Repeater
Product Information
The product is the ROAM R41, a cellular signal booster designed to improve cellular signal strength for mobile devices in vehicles or boats. It includes the following components:
- Main Unit
- Automobile Auxiliary Power Adapter
- Mobile Donor Antenna*
- Server Antenna*
- Mounting Hardware
- Ground Cable
The ROAM R41 must be kept indoors in a dry, cool, and well-ventilated area.
Product Usage Instructions
- Install the Donor Antenna:
- Mount the Donor Antenna on the exterior and towards the rear of your automobile or boat.
- Ensure there is 50 cm of metal around the base of the antenna for optimal performance.
- Install the Server Antenna:
- Mount the Server Antenna in the cabin/deck towards the front of the vehicle where coverage is needed.
- Mount the Server Antenna horizontally.
- Separate/isolate the Donor Antenna as far away as possible from the Server Antenna for best performance.
- Select the Main Unit Location:
- Find a suitable location to securely mount the Main Unit.
- Ensure airflow around the Main Unit and avoid contact with other objects.
- Choose a location that provides enough distance for all cables to connect.
- Attach Server and Donor Antennas to the Main Unit.
Attach the Donor Antenna and Server Antenna to the Main Unit. Note: Adding a drip loop to the Donor Antenna cable is crucial as it prevents water from flowing down the cable and damaging the Main Unit’s electronic equipment.
- Install the Ground Cable:
- Attach one end of the ground cable to the Main Unit and the other end to the chassis of the automobile or boat.
- Add a drip loop to the Donor Antenna cable to prevent water damage to the Main Unit.
- Plug in the Main Unit using the provided power adapter.
Using the provided M3 screw, attach one end of the ground cable to the Main Unit and the other end to the chassis of the automobile or boat.
- Download the Nextivity WAVE App or MyWave App to monitor and manage the status of your ROAM R41 and set it to automatically track the base station to which your phone is connected.
Download the MyWave App to set your ROAM R41 to automatically track the base station to which your phone is connected.
Scan to Download
Note: For detailed LED indicator behavior and translation/error states, please refer to the product manual.
Marine Installation
| Model# | Bands Supported | Link | Output Power (dBm) |
| R41-YB | 1/3/5/7/8/26/28L | Downlink | 0 |
| Uplink | 22 | ||
| R41-9B | 1/3/7/8/20 | Downlink | 0 |
| Uplink | 22 | ||
| Power/Status LED Indicator | |||
| LED Behavior | Translation/Error State | ||
| No light | Device is powered OFF | ||
| Solid Orange | Device is powered ON | ||
| – | Device is booting up | ||
| Slow blinking green | Device is band scanning to acquire network signals | ||
| Solid Green | Device is operating normally and providing coverage | ||
| Solid Red | Hardware Error (ES1)–Disconnect & Reconnect | ||
| Flash RED 1 time & OFF for 4sec | Device is not receiving signal from the cellular network (ES2) | ||
| Flash RED 2 times & OFF for 4sec | Donor input signal is too strong for the device (ES4) | ||
| Flash RED 3 times & OFF for 4sec | Device’s server antenna is too close to donor antenna (ES7) | ||
| Flash RED 4 times & OFF for 4sec | Device is disabled by the operator (ES9) | ||
| Flash RED 5 times & OFF for 4sec | Device location lock pending (ES10) | ||
| Flash RED 6 times & OFF for 4sec | Device registration pending (ES11) | ||
| Flash RED 7 times & OFF for 4sec | Device Self-Test Failed (ES12) | ||
Copyright © 2023 by Nextivity, Inc., U.S. Patents pending. All rights reserved. The Nextivity and CEL-FI logos are registered trademarks of Nextivity, Inc. All other trademarks or registered trademarks listed belong to their respective owners. Designed by Nextivity, Inc. in California.
Documents / Resources
 | NEXTIVITY ROAM R41 Smart Mobile Repeater [pdf] User Guide R41-9B-001, R41-9B-002, R41-9B-003, R41-YB-001, R41-YB-002, R41-YB-003, ROAM R41 Smart Mobile Repeater, ROAM R41, Smart Mobile Repeater, Mobile Repeater, Repeater |