[OpenWrt-Devel] [PATCH 3/3] ath79: add support for Teltonika RUT955

[Daniel Golle]

Hi Piotr,

On Mon, Feb 03, 2020 at 11:51:29PM +0100, Piotr Dymacz wrote:
> Hi Daniel, Adrian,
> 
> See my comments inline.
> 
> On 02.02.2020 17:41, Daniel Golle wrote:
> > The Teltonika RUT955 is an industrial 2G/3G/4G WiFi router with
> > various additional inputs and outputs.
> > 
> > Specification:
> > 
> > - 550/400/200 MHz (CPU/DDR/AHB)
> > - 128 MB of RAM (DDR2)
> > - 16 MB of FLASH (SPI NOR)
> > - 4x 10/100 Mbps Ethernet, with passive PoE support on LAN1
> > - 2T2R 2,4 GHz (AR9344)
> 
> Have you tested RF sensitivity? I remember external GPIO-driven LNA in
> RUT900 has to be defined, otherwise the radio was almost deaf.

Seems like RUT955 hasn't got that external LNA.
The GPIO line (2) used for that in mach-rut9xx.c is used for DIN3
digital input on the RUT955 board...
Signal level seems very ok:
laptop 4m away from device:		signal: -38 [-42, -41] dBm
phone in other room (>6m + wall):	signal: -55 [-65, -55] dBm


Cheers


Daniel

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