A beacon sensor device, comprising: a communication resource to: transmit a plurality of advertisement types, wherein each of the plurality of advertisement types include a plurality of advertisement frames; receive a connection request from a network device; a processing resource; and a memory resource storing machine-readable instructions to cause the processing resource to: determine that the connection request is made in response to the transmission of a particular advertisement type of the plurality of advertisement type; determine the active services associated with the particular advertisement type; and enable the services associated with the particular advertisement type; characterized in that the communication resource is adapted to: transmit a first advertisement frame, wherein the first advertisement frame has a first Media Access Control address; change the first MAC address to a second MAC address that is different than the first MAC address; transmit a second advertisement frame that is different than the first advertisement frame, wherein the second advertisement frame has the second MAC address. a communication resource to: transmit a plurality of advertisement types, wherein each of the plurality of advertisement types include a plurality of advertisement frames; receive a connection request from a network device; transmit a plurality of advertisement types, wherein each of the plurality of advertisement types include a plurality of advertisement frames; receive a connection request from a network device; a processing resource; and a memory resource storing machine-readable instructions to cause the processing resource to: determine that the connection request is made in response to the transmission of a particular advertisement type of the plurality of advertisement type; determine the active services associated with the particular advertisement type; and enable the services associated with the particular advertisement type; characterized in that the communication resource is adapted to: transmit a first advertisement frame, wherein the first advertisement frame has a first Media Access Control address; change the first MAC address to a second MAC address that is different than the first MAC address; transmit a second advertisement frame that is different than the first advertisement frame, wherein the second advertisement frame has the second MAC address. determine that the connection request is made in response to the transmission of a particular advertisement type of the plurality of advertisement type; determine the active services associated with the particular advertisement type; and enable the services associated with the particular advertisement type; characterized in that the communication resource is adapted to: transmit a first advertisement frame, wherein the first advertisement frame has a first Media Access Control address; change the first MAC address to a second MAC address that is different than the first MAC address; transmit a second advertisement frame that is different than the first advertisement frame, wherein the second advertisement frame has the second MAC address. transmit a first advertisement frame, wherein the first advertisement frame has a first Media Access Control address; change the first MAC address to a second MAC address that is different than the first MAC address; transmit a second advertisement frame that is different than the first advertisement frame, wherein the second advertisement frame has the second MAC address.