SparkLAN WAPR -141 AP is inexpensive device configuration based on the popular Realtek RTL8186. Capacity is a 2MB flash memory, 16MB of RAM.
Wapr-141 has a mode AP APclient, WISP, WDS.
Because the price is ideal as a client for wireless networks.

Specifications:

    * Standard - 802.11 b / g
    * Frequency - 2400 - 2483.5 MHz
    * The rate of radio-54g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps
      11b: 11, 5.5, 2, 1 Mbps
    * Modulation - 54g: OFDM (64/16QAM, QPSK, BPSK)
      11b: DSSS (CCK, DQPSK, DBPSK)
    * Antenna - Append 2dB
    * Antenna connector - RPSMA
    * Output Power: 18dBm (100%), 15dB (50%), 12dB (25%), 8dB (10%) and 5 dB (5%)
       ± 2 dBm
    * Ethernet Ports - 1x WAN 10/100; 4x10/100BaseT Ethernet RJ45
    * Safety standards - 64/128bit WEP, WPA, WPA2 PSK, 802.1x/Radius
    * Power supply - 7.5 V
    * Dimensions 118 x 72 x 25 mm
    * Range of operating temp 0-50 ° C
    * Humidity - max 90%
    * Warranty: 12