User's Manual

ZcoRE3-2400_User_Manual_V1.0
3.2 RF Interface
Different RF interfaces are provided on the ZcoRE3-2400 module.
For the ZcoRE3-2400 module, only a chip antenna can be soldered on when the modem ship out.
Refer to diagram below for detail information of chip antenna.
For the ZcoRE3(20)-2400 module, only the external antenna is available. P1 (refer to mechanical
drawing) is designed on PCB board for the reversed SMA antenna connection via a special RF
cable. The socket is user a right-angle straight MMCX (Miniature Microax RF Coaxial)
connector which can be soldered on the top of PCB when the module is delivered. The maximum
height of the MMCX socket is less than 4 mm. If customer would like to use a different socket,
they may also elect not to have the MMCX socket soldered on. In that case, they should be sure
to match the PCB design of the socket.
To connect with the SMA antenna, a MMCX-to-SMA converter RF cable is provided together
with the ZcoRE3(20)-2400 module as option.
Refer to table and picture below for detail information of SMA antenna.
Model: RO-IK-0504
Electrical Item Specifications Remarks
Type of antenna Dipole antenna
Frequency range 2.40 ~ 2.48 GHz
Electrical length
1 / 2 λ
Nominal impedance 50 Ohm
6