EnGenius ESR-1221 EXT

On the DD-WRT forums

FCC documents imply there is a ESR-1221 version (just "ESR-1221") without RP-SMA connector.

Specs
Platform Serial Num. = ? FCC ID = U2M-SR32108001 Industry Canada ID = ? CPU Type = Realtek RTL8186 MIPS Rev = ? CPU Speed = ? Bus = ? Flash Type = ? Flash Chip = Macronix MX29LV160DBTI-70G Flash Size = 2MB Max Firmware Size = ? RAM Size = 8 MB RAM Chip = ISSI IC42S16400F-7TL nvram Size = ? ETH chip1 = Realtek RTL8186 Switch = Realtek RTL8305SC Port-based vlan = ? 802.1q vlan = ? Ethernet Port Count = 1-10/100-WAN 4-10/100-LAN Wired Standard = IEEE 802.3/3u Ethernet interface OUI = none specified boot_wait = ? bootloader = ? Flash Card Socket/Type = ? SD/MMC Mod Support = ? Expansion IF types = ? PoE = ? Power = 12VDC/1A Connector type/size = Barrel plug LEDs/Color = ? Size = ? USB = ? Serial Port = ? JTAG Port = ? Supported by TJTAG/Version = ? Special Features = ? Radio Wireless Radio = Realtek RT8225 WLAN DSP processor = Realtek RTL8186 Wireless interface OUI = none specified Antenna Connector Type = 1 Detachable (RP-SMA), Peak Gain=2 dbi MIMO status = ? Wireless Standard = IEEE 802.11b/g 802.11g = 6, 9, 12, 18, 24, 36, 48, 54 Mbps 802.11b = 1, 2, 5.5, 11 Mbps WiFi Operating Frequency = 2.400–2.484 GHz Radio cor_rev = ? Radio Capabilities = ? Other Default IP address = 192.168.1.1 Default login user = admin Default login password = admin Default SSID = ? OEM = ? 3rd Party Firmware Support = ?

Links of Interest

 * Datasheet