The OE21, in addition to all the benefits of the OE20 module, provides 20dBm of transmit power (vs 13dBm for OE20), as well as double the flash size for larger bytecode apps and upgradable firmware.
Datasheet
Order Online:
Tel:1.877.902.2979-1.425.223.4311 Fax:1.877.329.4324 Address: 1480 Gulf Road, Suite 837, PO Box 1364 Point Roberts, WA 98281
Tel:1.800.663.6001 or 1.604.925.6150 Fax:1.604.925.6170 Address: 2454 Haywood Ave West Vancouver, BC V7V 1Y1
Tel:1.800.465.0164 or 1.905.513.7027 Fax:1.877.329.4324