product description
cheap best wifi module long range long distance transmitter wireless module sta ap mode
rf-wm-11afb1 is a pcb module based on realtek wi-fi soc rtl8711af of cortextm-m3 core at 83 mhz. this module has on-chip 512 kb ram and 1 mb flash, a pin-out of peripherals of sdio, spi, uart, i2c, i2s, and gpios. it has integrated a 40 mhz crystal, an on-board pcb antenna, and an ipex/ u.fl connector for connecting to an external antenna. it supports 2.4 ghz 802.11 b/g/n at 20 mhz channel bandwidth with 75 mbps maximum data rate. the module comes with a pre-programmed serial interface data communication protocol and an at commands set to minimizes users’ effort to establish the data link to their existing mcus or processors. it supports sta, ap, and sta ap concurrent modes, advanced security features include wi-fi wep, wpa, wpa2, and wps2 with md5, sha-1, sha2-256, des, 3des, and aes security engines.
parameters of rf-wm-11afb1
chipset | realtek rtl8711af |
supply power voltage | 3.0 v ~ 3.6 v, recommended to 3.3 v |
frequency | 2.4 ghz |
crystal | 40 mhz |
package | smt packaging |
dimension | 23.0 mm x 20.0 mm x (2.4 ± 0.1) mm |
type of antenna | pcb antenna / ipex connector |
operating temperature | -20 ℃ ~ 85 ℃ |
storage temperature | -40 ℃ ~ 125 ℃ |
pin functions of rf-wm-11afb1
pin | name | description |
1 | rfout | rf signal output pin |
2 | gnd | ground |
3 | gnd | ground |
4 | vdd | 3.3 v power supply |
5 | gpio_e4 | gpio pin, the mux function can be referred to pin multiplexing table. |
6 | gpio_e3 | gpio pin, the mux function can be referred to pin multiplexing table. |
7 | gpio_e2 | gpio pin, the mux function can be referred to pin multiplexing table. |
8 | gpio_e1 | gpio pin, the mux function can be referred to pin multiplexing table. |
9 | gpio_e0 | gpio pin, the mux function can be referred to pin multiplexing table. |
10 | nc | none connect |
11 | chip_en | chip enable pin, can be used for reset. |
12 | gpio_a0 | gpio pin, the mux function can be referred to pin multiplexing table. |
13 | gpio_a1 | gpio pin, the mux function can be referred to pin multiplexing table. |
14 | gpio_a2 | gpio pin, the mux function can be referred to pin multiplexing table. |
15 | gpio_a3 | gpio pin, the mux function can be referred to pin multiplexing table. |
16 | gpio_a4 | gpio pin, the mux function can be referred to pin multiplexing table. |
17 | gpio_a5 | gpio pin, the mux function can be referred to pin multiplexing table. |
18 | gnd | ground |
19 | vdd | 3.3 v power supply |
20 | nc | none connect |
21 | nc | none connect |
22 | gpio_c5 | gpio pin, the mux function can be referred to pin multiplexing table. |
23 | gpio_c4 | gpio pin, the mux function can be referred to pin multiplexing table. |
24 | gpio_c3 | gpio pin, the mux function can be referred to pin multiplexing table. |
25 | gpio_c2 | gpio pin, the mux function can be referred to pin multiplexing table. |
26 | gpio_c1 | gpio pin, the mux function can be referred to pin multiplexing table. |
27 | gpio_c0 | gpio pin, the mux function can be referred to pin multiplexing table. |
28 | gpio_b3 | gpio pin, the mux function can be referred to pin multiplexing table. |
29 | gpio_b2 | gpio pin, the mux function can be referred to pin multiplexing table. |
30 | gpio_b1 | gpio pin, the mux function can be referred to pin multiplexing table. |
31 | gpio_b0 | gpio pin, the mux function can be referred to pin multiplexing table. |
32 | nfcip | nfc differential signal input |
33 | nfcin | nfc differential signal input |
34 | gnd | ground |
