Murata Manufacturing LB2AE WLAN Bluetooth Module User Manual

June 5, 2024
Murata Manufacturing

Murata Manufacturing LB2AE WLAN Bluetooth Module

Murata-Manufacturing-LB2AE-WLAN-Bluetooth-Module-
PRODUCT

Trace layout and dimensions including specific designs for each type:

  1. Layout of trace design, parts, antenna, connectors, and isolation requirements:
  2. Boundary limits of size, thickness, length, width, shape(s), dielectric contain, and impedance must be clearly described for each type of antenna:

PCB Antenna trace antenna Dimension

Murata-Manufacturing-LB2AE-WLAN-
Bluetooth-Module-FIG1

Note: all distance is 0.3mm.

Dipole antenna dimension

Murata-Manufacturing-LB2AE-WLAN-Bluetooth-
Module-FIG2

u.FL connector information: Manufacturer: HIROSE ELECTRIC; Size:

Note:

  1. For Antenna selection, PCB antenna and dipole antenna only can choose 1 type.
  2. RF trace between module RF pinout to antenna width is 0.4mm.
  3. all R/L/C Component’s width is 0.5mm, length is 1mm.
  4. RF trace between module and antenna impedance is 50ohm.

Layout guide of RF trace for the u.FL antenna connector

Murata-
Manufacturing-LB2AE-WLAN-Bluetooth-Module-FIG4

Layout guide of RF trace for the trace antenna

Murata-Manufacturing-
LB2AE-WLAN-Bluetooth-Module-FIG5

PCB requirement: The dielectric constant of PCB is 4.6, and the impedance boundary is limited to 0.5mm. The thickness of RF trace copper is 48um, and the total thickness of base plate is 1.6mm.
MatchingMurata-Manufacturing-LB2AE-WLAN-Bluetooth-Module-
FIG6

RF matching

Murata-Manufacturing-LB2AE-WLAN-Bluetooth-Module-
FIG7

Different antenna length and shapes effect radiated emission and each design should be considered a different type: 2.4G WIFI:

Ant. Frequency (MHz) Antenna Type Antenna Gain (dBi)
1 2402-2480 PCB Antenna 3.0
External Dipole Antenna 3.4

5G WIFI:

Antenna Frequency Band Antenna Type Maximum Antenna Gain

(dBi)
1| UNII-1| PCB Antenna| 3.3
External Dipole Antenna| 4.75
1| UNII-2A| PCB Antenna| 3.3
External Dipole Antenna| 4.75
1| UNII-2C| PCB Antenna| 3.3
External Dipole Antenna| 4.75
1| UNII-3| PCB Antenna| 3.3
External Dipole Antenna| 4.75

Appropriate parts of manufacturers and specifications:
Information about devices on RF lines

Parts list Part number Size Manufacturer
Tuning 1/ 1.2nH LQG15HS series 0402 Murata
Tuning 2/ 0.1pF GJM15 series 0402 Murata
Tuning 3/ 2.0nH LQG15HS series 0402 Murata
Tuning 4/ 0ohm 0402
Shunt 1/ 3.6nH LQG15HS series 0402 Murata
Series 1/ 0ohm 0402
Shunt 2/ 0.2pF GJM15 series 0402 Murata
Series 2/ 0ohm 0402
Shunt 3/ DNP
Series 3/ 0ohm 0402
Shunt 4/ DNP

Murata-Manufacturing-LB2AE-WLAN-Bluetooth-Module-FIG8

If customers completely refer to our antenna design for their own design, the antenna performance should also be the same as ours.

u.FL connector information: Manufacturer: HIROSE ELECTRIC; Size::

Test procedures and design verifications:Murata-Manufacturing-LB2AE-WLAN-
Bluetooth-Module-FIG10

Production test procedures for ensuring complianceMurata-Manufacturing-
LB2AE-WLAN-Bluetooth-Module-FIG11

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