Features overview

Antenna

Pre-installed whip antenna (TCM 320/300U)

External whip or 50 Ω antenna mountable (TCM 300/300U)

Frequency and data rate

868.300 MHz / 125 kbps (TCM 300/320)1) 902.875 MHz / 125 kbps (TCM 300U/320U) 1)

Receiver Sensitivity (at 25°C)

typ. –96 dBm (868MHz)2)

typ. -98 dBm (902MHz)2)

Conducted Output Power @50  3 dBm(868MHz) 1 dBm (902MHz)

Power Supply

2.6 – 3.3 V (TCM 320 / TCM 320U)

2.6 – 4.5 V (TCM 300 / TCM 300U)

Current Consumption

Receive mode: typ. 33mA

Transmit mode: typ. 24mA

Dimensions of PCB

36.5 x 18 x 5.5 mm (TCM 320 / TCM 320U)

22 x 19 x 3 mm (TCM 300 / TCM 300U)

Operating temperature

–25 up to +85°C

Radio Regulations

TCM 300 (max. radiated power +1.4 dBm with whip): RED (EU)

TCM 320 (max. radiated power +3.0 dBm with whip): RED (EU)

TCM 300U/320U : FCC (US) / ISED (CA)