WNDR3700 v4:
Atheros AR9344 560MHz + AR9582 [an 2×2:2] + AR9344 [bgn 2×2:2]
128MiB RAM + 128MiB NAND
1 WAN + 4 LAN (GBit) + 1 USB 2.0
WNDR4300 v1
3×3 5GHz (AR9580 instead of AR9582)
TP-LINK TL-WDR4300 v1.0-v1.7
Similar as WNDR4300
8 MiB NAND
2 USB
DDWRT:
http://www.dd-wrt.com/wiki/index.php?title=TP-Link_TL-WDR4300&redirect=no
OpenWRT:
http://wiki.openwrt.org/toh/netgear/wndr3700
Netgear GPL:
http://kb.netgear.com/app/answers/detail/a_id/2649/related/1
wiki
https://wikidevi.com/wiki/Netgear_WNDR3700v4
Reset to OEM image:
Enter into TFTP mode
tftp -i 192.168.1.1 put WNDR3700-V1.0.4.68NA.img
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=79802