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TCG120 - GSM Remote Control Unit - Temperature, Digital IO, Analogue In£152.00
GD-04K GSM Remote Control Unit - 4 Inputs, 2 Relays£174.00
TCG140 - GSM Remote Control Unit with Temperature, Data Logging£190.00
U0121M - IoT Wireless Temperature Datalogger for 2 external probes, with built-in GSM modem£390.00