UPDATE TO EARLIER POST, ISSUE RESOLVED: I was sending out a lot of beacons but barely receiving signals : r/HeliumNetwork
SAW External Filter – GreenPalm IOT
DIY LoRa 868MHz bandpass saw filter - YouTube
Helium 868 MHz Bandpass Filter – GPIO LABS
RALTRON Saw Filter 868.300 MHz Bandwidth: 7MHz 2.5/ 3.5 dB 6-SMD, No Lead 3.0 x1.3 x 3.0 mm SMD 1000/Reel - Diverse Electronics
881 (868-895) MHz GSM900 dedicated SAW bandpass filter, 27MHz bandwidth, SMA | eBay
868 MHz / FLARM Filter/Preamp – Airspy.US
HDF868A2 -S6 3*3mm saw filter used for IoT application 868MHz - China electronic and electronic component
868MHz 4MHz bandwidth SAW band pass filter for LoRa LoRaWAN Helium, 866~870MHz | eBay
SAW 868 MHz bandpass Helium LoRa Sigfox filter
868 MHz Remote Control, RF Saw Filter
1PCS 868MHz RFID SAW bandpass filter, 867～869MHz, 2MHz bandwidth | eBay
To filter or not to filter..this is the question! - YouTube
SF 868 - Bomar Crystal | Band Pass Filter
Optimized Helium Hotspot Antenna & Increase $ HNT Rewards With RFID Remote SAW Bandpass Filter - YouTube
868mhz Rfid Remote Control Saw Band Pass Filter, 866 ~ 870mhz, 4mhz Bandwidth - Filters - AliExpress
