At Kerlink, we are committed to supporting all our customers, regardless of the software version they are currently using.
To ensure you benefit from the latest improvements and corrections, new features and defect fixes are provided exclusively on the most recent official release.
For certain investigations, Kerlink may request that your equipment be updated to the latest release in order to guarantee efficient and accurate support.
We strongly recommend keeping your equipment up to date with the latest official version to enjoy optimal performance, security, and access to the newest functionalities.
To stay informed about new releases, you can easily subscribe here: Kerlink Wiki News.
For more details on the software versions currently supported from a security perspective, please visit: Kerlink Security Support.
Latest firmware and toolchain for all Wirnet™ i-series gateways are available here: KerOS firmware v5.12.2 (March 2026).
Kerlink provides the cross-toolchain, libraries and headers necessary to the compilation of an application. For more information consult the Toolchain page.
To get information about all firmware releases, consult the firmware release history page.
The packet forwarder is a program running on the host of a Lora gateway that forwards RF packets received by the gateway to a server and emits RF packets that are sent by the server.
2 protocols are commonly used by servers:
Kerlink BasicStation Packet forwarder is only compatible with 5.x KerOS firmware versions.
| KerOS firmware version | Compatibility Semtech Packet Forwarder (SPF) | Compatibility Common Packet Forwarder (CPF) |
|---|---|---|
| 4.3.x and above (5.x) | Not tested: Click here to get the HAL for compilation | Compatible with CPF integrated in firmware |
| 4.2.x | Not tested: Click here to get the HAL for compilation | Compatible CPF 1.2.x : Click here (one CPF version for all compatible gateways) |
| 4.1.x | Not tested: Click here to get the HAL for compilation | Compatible CPF 1.1.x : Click here (one CPF version for all compatible gateways) |
| 4.0.x | Not tested: Click here to get the HAL for compilation | Compatible CPF 1.0.x : * Click here for iBTS version * Click here for iFemtoCell version |
| 3.x.x and lower | Compatible | Not compatible |
The Kerlink CPF implements GWMP v2 protocol protocol and is compatible with LoRa Network Servers present on the market (Kerlink WMC, ChirpStack, TTN …).
Before KerOS firmware release v4.x.x, Kerlink provided pre-compiled Semtech Packet Forwarder (SPF). Since KerOS firmware release v4.x.x, only the pre-compiled Common Packet Forwarder (CPF) is provided, pre-compiled SPF are no longer compatible.
For Wirnet iBTS with firmware release v3.x.x (before v4.0.2), please refer to old Wirnet™ iBTS wiki.
For Wirnet iFemtoCell with firmware release v3.x.x or v2.x.x (before v4.0.4), please refer to old Wirnet™ iFemtoCell wiki.
Starting with Wirnet gateways firmware version v4.3.0, packet forwarder is included in the firmware. The CPF does not need to be installed. The CPF needs to be enable. To consult how to enable the CPF: [wiki:lora:cpf|click here]].
The packages of previous CPF releases are available on the dedicated page: Packet Forwarder Release History
For latest firmwares (4.1 and upper): KerOS web services documentation 8.6.
For 4.0.2 and 4.0.4 firmwares: KerOS web services documentation 5.0.
For 4.x firmwares and upper: KerOS SMS documentation 1.1.
Kerlink provides .ipk packages to install cellular firmware approved by operators.
These packages are not compatible with dual WAN modems.
| Modem | company | IPK name | firmware | configuration |
|---|---|---|---|---|
| MC7354 | Generic | wanmodemupgrade-mc7354-generic_1.1_all.ipk md5:d9284bf8c88bdcef008ef0daf2a47fde | SWI9X15C_05.05.58.00 | 005.025_002 |
| MC7354 | ATT | wanmodemupgrade-mc7354-att_1.1_all.ipk md5:e098a9481f420bf4c4e05a247748824e | SWI9X15C_05.05.58.00 | 005.026_000 |
| MC7354 | Bell | wanmodemupgrade-mc7354-bell_1.1_all.ipk md5:357e510eceac9f7fafd9d7643322c658 | SWI9X15C_05.05.58.00 | 005.024_000 |
| MC7354 | Rogers | wanmodemupgrade-mc7354-rogers_1.1_all.ipk md5:00083dfde61c5916eac2517f436ba03b | SWI9X15C_05.05.58.00 | 005.022_000 |
| MC7354 | Telus | wanmodemupgrade-mc7354-telus_1.1_all.ipk md5:f53badb852c1eaab07855ab644407d73 | SWI9X15C_05.05.58.00 | 005.023_000 |
| MC7354 | Verizon | wanmodemupgrade-mc7354-verizon_1.1_all.ipk md5:618ba29ff25d252e8e7c83de79515a50 | SWI9X15C_05.05.58.01 | 005.029_001 |