Based on this product's specifications, here are some alternatives and similar models
IP intercom camera BCS PAN-KAM(4) by BCS — IP video doorbell module, BCS-PAN-KAM(4)
Summary description:
BCS PAN-KAM(4) is an IP intercom camera module designed for integration with BCS line video door systems. As an IP video doorbell module, it provides network connectivity for video and audio transmission within an IP-based door entry setup. The unit is intended for use in residential or commercial intercom installations where an IP camera module is required for door monitoring and remote access.