Answer
You can find TTN's latest codec for Laird's RS1xx LoRaWAN temperature & relative humidity sensor in https://github.com/TheThingsNetwork/lorawan-devices/blob/master/vendor/laird/rs1xx-temp-rh-sensor.js.
You can find TTN's latest codec for Laird's RS1xx LoRaWAN temperature & relative humidity sensor in https://github.com/TheThingsNetwork/lorawan-devices/blob/master/vendor/laird/rs1xx-temp-rh-sensor.js.