diff --git a/modules/wowlan.nix b/modules/wowlan.nix
index df56a693..b2da6e0b 100644
--- a/modules/wowlan.nix
+++ b/modules/wowlan.nix
@@ -1,6 +1,9 @@
 # wake on wireless LAN
 # developed for the PinePhone (rtl8723cs), but may work on other systems.
 # key info was found from this chat between Peetz0r and megi: <https://irclog.whitequark.org/linux-sunxi/2021-02-19>
+# additionally in the Realtek "Quick Guide For Wake on WLAN": <https://gist.github.com/Peetz0r/bf8fd93a60962b4afcf2daeb4305da40#file-quick_start_guide_for_wow-pdf>
+# megi's devlog which enabled WOWLAN: <https://xnux.eu/log/031.html>
+# driver lives in Megi's kernel tree, at drivers/staging/rtl8723cs/Makefile
 #
 # wowlan configuration can be inspected with:
 # - `iw phy0 wowlan`
@@ -15,7 +18,15 @@
 # - can take 15s or more from when the packet is broadcast to when an application services it.
 # - WiFi doesn't respond to arp queries, so the sender might not actually know how to route
 #   the packet to WiFi device at all.
-#   run `arp -s <ip-addr> <mac-addr>` on the sender to hardcode an arp association.
+#   - run `arp -s <ip-addr> <mac-addr>` on the sender to hardcode an arp association.
+#   - driver Makefile mentions ARP support though:
+#     - #bit3: ARP enable, bit2: deauth, bit1: unicast, bit0: magic pkt.
+#     - CONFIG_WAKEUP_TYPE = 0xf
+#     - CONFIG_IP_R_MONITOR = n #arp VOQ and high rate
+#     - #bit0: disBBRF off, #bit1: Wireless remote controller (WRC)
+#     - CONFIG_SUSPEND_TYPE = 0  (i think this is correct)
+#     - CONFIG_LPS_MODE = 1  (setting to 0 would disable LPS)
+#   - maybe ARP gets disabled as part of the power saving features (iw phy ... power-save; CONFIG_POWER_SAVING=y)?
 # - packet matching happens below the OS, so it's not generic over virtual network devices like tunnels.
 #   Wake On Lan with a VPN effectively requires that you wake on *every* packet routed via that VPN
 #   since the meaning within any packet isn't obvious to the chipset.
@@ -36,6 +47,11 @@
 #   - WiFi chip *should* have a way to wake on connection state change, i just need to enable it?
 #     - `iw phy phy0 wowlan enable disconnect` => Invalid argument (-22)
 #     - `iw phy0 wowlan enable net-detect ...` (from man example) => Operation not supported (-95)
+#     - Realtek Quick Start guide claims "CONFIG_WAKEUP_TYPE = 0x7" enables deauth wake up (bit 2), unicast wake up (bit 1), magic packet (bit 0)
+#     - driver Makefile:
+#       - #bit0: ROAM_ON_EXPIRED, #bit1: ROAM_ON_RESUME, #bit2: ROAM_ACTIVE
+#       - CONFIG_ROAMING_FLAG = 0x3
+
 
 { config, lib, pkgs, ... }:
 let