ShenZhenGrassWonderCO. LTD. NRF51822 Manuale Utente
22
9. Carrier Keep-Out Area
Reference Item: GWBT40 -P
Carrier Board
Keep Out Area
1. Carrier Board under the
BLUE PART
(antenna and test pin pad)
Carrier Board
is not allowed
to have ground or circuit or
components
in any layer
.
2. Carrier Board under the
GREEN PART
a. Suggest to equip ground full green area
in first layer
b. If first layer equipped ground, 2
nd
and 3
rd
layer can
have circuit in this area.
c. If first layer equipped ground, 4
th
layer can have
components in this area.