- AD VA NCE D IN F O RMA T IO N -

LTP5903-WHR Datasheet

Dust Networks

7

Parameter

Min

Typ

Max

Units

Comments

measurement)

Output power, conducted

Power amplifier enabled:

At 25 °C

+8

dBm

Power amplifier disabled:

At 25 °C

–2

dBm

Range*

Power amplifier enabled:

Indoor

†

100

m

Outdoor

†

300

m

25 °C, 50% RH, +2 dBi

omni-directional antenna

Free Space

1200

m

Power amplifier disabled:

Indoor

†

25

m

25 °C, 50% RH, +2 dBi

omni-directional antenna

Outdoor

†

200

m

Free Space

350

m

*Actual RF range performance is subject to a number of installation-specific variables including, but not restricted to

ambient temperature, relative humidity, presence of active interference sources, line-of-sight obstacles, near-presence

of objects (for example, trees, walls, signage, and so on) that may induce multipath fading. As a result, actual

performance varies for each instance.

5.2

Antenna Specifications

A MMCX-compatible jack receptacle is provided on board for the antenna connection. For antenna location, refer to the

mechanical drawing in section 9.1. The antenna must meet specifications in Table 14. For a list of antennae pre-approved for

RF certification, see section 10.1.2.

Table 14 Antenna Specifications

Parameter

Value

Frequency range

2.4–2.4835 GHz

Impedance

50

Ω

Gain

LTP5903-WHR

+2 dBi maximum

Pattern

Omni-directional

Maximum VSWR

3:1

Connector

MMCX*

* The LTP5903-WHR can accommodate the following RF mating connectors:

• MMCX straight connector such as Johnson 135-3402-001, or equivalent

• MMCX right angle connector such as Tyco 1408149-1, or equivalent

When the LTP5903-WHR is placed inside an enclosure, the antenna should be mounted such that the radiating portion of the

antenna protrudes from the enclosure, and connected using a MMCX connector on a coaxial cable. For optimum

performance, allow the antenna to be positioned vertically when installed.