A method comprising: - one of transmitting query information and causing query information to be transmitted, wherein the query information comprises information on at least one property of a device (2, 40, 41), and - obtaining response information, wherein the response information comprises information indicating that the device (2, 40, 41) has been determined, based at least on the information on the at least one property of the device comprised in the transmitted query information, to be one of suited to provide fingerprint information and unsuited to provide fingerprint information, wherein fingerprint information comprises information on at least one radio node and/or on at least one cell observed at at least one position of the device (2, 40, 41), wherein the device (2, 40, 41) is determined to be at least one of suited and unsuited to provide fingerprint information based on at least a quality of fingerprint information provided by the device (2, 40, 41) and/or based on a sensitivity of the device (2, 40, 41) to observe radio nodes and/or cells, characterised in that the information on at least one property of the device (2, 40, 41) comprises at least one of information on a manufacturer of the device (2, 40, 41), information on a model of the device (2, 40, 41), information on a version of at least one hardware component of the device (2, 40, 41) and/or information on a software of the device (2, 40, 41). - one of transmitting query information and causing query information to be transmitted, wherein the query information comprises information on at least one property of a device (2, 40, 41), and - obtaining response information, wherein the response information comprises information indicating that the device (2, 40, 41) has been determined, based at least on the information on the at least one property of the device comprised in the transmitted query information, to be one of suited to provide fingerprint information and unsuited to provide fingerprint information, wherein fingerprint information comprises information on at least one radio node and/or on at least one cell observed at at least one position of the device (2, 40, 41), wherein the device (2, 40, 41) is determined to be at least one of suited and unsuited to provide fingerprint information based on at least a quality of fingerprint information provided by the device (2, 40, 41) and/or based on a sensitivity of the device (2, 40, 41) to observe radio nodes and/or cells, characterised in that the information on at least one property of the device (2, 40, 41) comprises at least one of information on a manufacturer of the device (2, 40, 41), information on a model of the device (2, 40, 41), information on a version of at least one hardware component of the device (2, 40, 41) and/or information on a software of the device (2, 40, 41). wherein the device (2, 40, 41) is determined to be at least one of suited and unsuited to provide fingerprint information based on at least a quality of fingerprint information provided by the device (2, 40, 41) and/or based on a sensitivity of the device (2, 40, 41) to observe radio nodes and/or cells, characterised in that the information on at least one property of the device (2, 40, 41) comprises at least one of information on a manufacturer of the device (2, 40, 41), information on a model of the device (2, 40, 41), information on a version of at least one hardware component of the device (2, 40, 41) and/or information on a software of the device (2, 40, 41).