RNBD350 datasheet(39/56 Pages) MICROCHIP

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RNBD350

Physical Dimensions and Attributes

Data Sheet

DS70005561C - 39

Figure 6-7. RNBD350 Antenna Placement Guidelines

5cm from board edge

Preferred cable routing directions

Note: These are generic guidelines, and the recommendation is that the customers can check and

fine-tune the antenna positioning in the final host product based on RF performance.

6.5.2.1. External Antennas

The RNBD350UE modules have an ultra-small surface mount U.FL connector for an external

antenna connection. The choice of antenna is limited to the antenna types that the module is tested

and approved for.

The RNBD350UE modules are approved to use with the antennas listed in the following table. It is

permissible to use a different antenna, provided it is the same antenna type, has the same antenna

gain (equal or less than) and similar in-band and out-of-band characteristics are present (refer to the

antenna specification sheet for cutoff frequencies).

If other antenna types are used, the OEM installer must conduct the necessary assessments and

authorize the antenna with the respective regulatory agencies and ensure compliance.

Table 6-2. RNBD350 Module Approved External Antenna List with Antenna Gain

Antenna

Number

Part Number

Manufacturer

Antenna

Gain (dBi)

Antenna

Type

Comment

W3525B039

Pulse

PCB

Cable length 100 mm

RFDPA870915IMAB306

WALSIN

1.82

Dipole

150 mm

001-0016

LSR

2.5

PIFA

Flex PCB antenna

001-0001

LSR

Dipole

RPSMA connector

1461530100

Molex

PCB

100 mm (Dual Band)

ANT-2.4-LPW-125

Linx Technologies

2.8

Dipole

125 mm

RFA-02-P05-D034

Alead

PCB

150 mm

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