Specifications

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3181A-S SPEC

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4. Antenna Specification

4.1 Antenna lists

No.

Type

Band(s)

Max

Peak Gain(dBi)

Host Model

1

PCB antenna

2.4GHz - 2.5GHz

3.7

S501-01, S511-01,

S551-01

2

PCB antenna

2.4GHz - 2.5GHz

3.3

roborock S6

3

PCB antenna

2.4GHz - 2.5GHz

4.2

roborock S4