Sure. I searched for interesting counters with SNMPwalk. (There could already be some more with recent RouterOS releases)
[Device.Name]
IP: [Device.AddressesCommaList]
[device_performance()][Device.ServicesDown]SINR: [round(oid("1.3.6.1.4.1.14988.1.1.16.1.1.7.1"))] RSRP: [round(oid("1.3.6.1.4.1.14988.1.1.16.1.1.4.1"))]
RSRQ: [round(oid_raw("1.3.6.1.4.1.14988.1.1.16.1.1.3.1"))] RSSI: [round(oid_raw("1.3.6.1.4.1.14988.1.1.16.1.1.2.1"))]
CellID: [round(oid_raw("1.3.6.1.4.1.14988.1.1.16.1.1.5.1"))]
Used MB: [ros_command(":put [/file get flash/counter.txt contents]")]
The counter comes from http://forum.mikrotik.com/t/interface-data-quota/79514/1 (but be aware of the little power-reset bug that is solved further in the thread)