Description of low power high performance of low cost wifi module price Dl2103b is designed as a wifi module based on atheros 4004 it has ultra-small Size and supports smd the module works as an iot node and has been widely used In iot appliances Applications of low power high performance of low cost wifi module price Smart gateway Iot products Consumer electronics Smart home appliances Industry control Remote device monitoring Features of low power high performance of low cost wifi module price Support 2 4ghz 802 11b g n with sta ap mode Support wep wpa wpa2 psk encryption mode Support multiple network protocols Option on board antenna or external antenna Low power consumption Ultra small size support smd Support online firmware updating Srrc authentication Rohs compliant Datasheet of low power high performance of low cost wifi module price Wireless parameters Wireless standard 802 11 b g n Frequency range 2 412ghz 2 484ghz Transmit power 802 11b +15+ -2dbm 11mbps 802 11g +14+ -2dbm 54mbps 802 11n +13+ -2dbm ht20, mcs7 Receiver sensitivity 802 11b -93dbm 11mbps cck 802 11g -85dbm 54mbps ofdm 802 11n -82dbm ht20 mcs7) Antenna option Built in pcb pin External i-pex connector Hardware parameters Data interface Uart gpio Operating voltage 2 9v ~ 3 6v Operating current Consistently sending: peak ~200ma Normal mode average ~50ma, peak ~200ma Low power mode average ~10ma, peak ~200ma Operating temp -20 c 70 c Storage temp -45 c 125 c Dimensions and size 15mm x 30mm x 3.5mm Software parameters Network type Ap sta Security mechanisms Wep wpa-psk wpa2-psk Encryption Wep64 wep128 tkip aes Update firmware Local wireless, remote Customization Sdk supplied Network protocol Ipv4, tcp udp