EnOcean GmbH STM310C Manual Do Utilizador
USER MANUAL V0.6
© 2010 EnOcean | www.enocean.com
STM 31x / STM 31xC User Manual V0.6 | Page 22/28
STM 31X / STM 31XC
3.2 Antenna options
3.2.1 Whip antenna (STM 310, STM 310C, STM 312, STM 312C)
Specification of the whip antenna; L=150 mm @ 315 MHz, L=86 mm @ 868 MHz
Antenna layout recommendation:
STM 31x without host PCB STM 31x with host PCB
Glass, wood, concrete, metal
868MHz: > 2cm
315MHz: > 4cm
315MHz: > 4cm
868MHz: > 1cm
315MHz: > 2cm
868MHz: > 2cm
315MHz: > 4cm
Host PCB
GND plane