All Catalog Category 2 - Wireless Item # 309 Receiver w/o Temp Sensor (Yard Monitor) Even Item # 308 Receiver wo/Temp Sensor (Yard Monitor) Odd Item # 158 Transmitter Probe Cable Per Pair for 1 transmitter Item # 301 MC/EMC Transmitter Item # 302 Wood-core Temperature Transmitter Item # 303 EMC+ Temp Combo Transmitter (Predryer) Item # 306 Receiver w/1 Temp Sensor (Dry Bulb) Even Item # 305 Receiver w/1 Temp Sensor (Dry Bulb) Odd Item # 307 Receiver w/2 Temp Sensor (Dry/Wet Bulb) Item # 410 Transmitter Tester