Lantronix X300 Series X300 Series User Guide Rev B - Page 27

2: Introduction SIM Slot The X303 and X304 models provide one embedded SIM and one external SIM slot to accommodate one mini SIM card (2FF), as shown in Figure 2-5 and Figure 2-6. Antenna Connections Wi-Fi / Bluetooth:  X300: Two (2) Wi-Fi / Bluetooth, RP-SMA connectors  X303: One (1) Wi-Fi / Bluetooth, RP-SMA connector  X304: Two (2) Wi-Fi / Bluetooth, RP-SMA connectors Cellular / GNSS:  X300: not applicable  X303: One (1) cellular, SMA connector  X304: Two (2) cellular (main and diversity), SMA connectors and one (1) GNSS, SMA connector Certified Antennas Table 2-7 lists the antennas that have been certified for the X300 series gateways. Purpose Wi-Fi Antenna WWAN Antenna Table 2-7 Certified Antennas Antenna type Description 9BLantronix Part Number Dipole, swivel type antenna, with RPSMA(M) connector Peak gain: 2 dBi, 2.4 Ghz to 2.5 Ghz, 2 dBi, 5.15 Ghz to 5.85 Ghz RoHS compliant A21H0 Dipole, 4G, swivel type blade antenna, with SMA connector, adhesive mount Performance across LTE frequency bands 698-960, 17102170, 2500-2700 MHz Gain: Up to 2 dBi RoHS compliant A33M0 102BApproved Region FCC, IC, EU, AUS/ NZS, JPN, China, Mexico N/A Note: Antenna gain listed above excludes cable loss. Antenna Selection Use the following guidelines in Wi-Fi antenna selection:  Dipole, peak gain less than 3.8 dBi @ 2.4 GHz ~ 2.5 GHz  Use the same dipole antenna type as certified module and modem for FCC or external antenna with length greater than 20 cm. X300 Series IoT Cellular Gateway User Guide 27