Tsebi Projects Forum

LNA144 performance

Gain @145.025MHz = 20dB

2m Bandpass filter performance

Insertion loss @145.025MHz = 0.80dB

LNA and 2m Bandpass filter

Approved for SG ham use.

X50 was put in place and, as expected, the performance was worse than the X200 and noticeable though not that great. For fringe stations, it was more noticeable. Now looking at LNA candidates to insert between cavity and RX port of the repeater. https://www.downeastmicrowave.com/product-p/l144lna.ht...

https://planetkris.com/2009/05/setting- ... -for-aprs/

Data interfacing
https://groups.io/g/direwolf/topic/dire ... 4952540?p=

Antenna choices:-

Lightning protection classes:-

18 Sep 2021 CPS 2.0 finally connected to the repeater after installation of the RNDIS drivers. The following are the current settings:- 1. Power at 35W (25W into antenna after 1.5dB cavity loss) 2. CTCSS 156.7Hz 3. Time out timer at 300s (5mins) 4. Hang-time 1s 5. Analog only mode 6. Voice de &...

SLR-5500 Auxilliary connector pinouts

Current settings
GPIO1 - External PTT
GPIO5 - CSQ