{"product_id":"hc-12-433mhz-si4463-wireless-serial-module-communication-data-range-1000m","title":"HC-12 433MHz SI4463 Wireless Serial Module Communication Data Range 1000M","description":"\u003cdiv aria-labelledby=\"tab-title-description\" class=\"woocommerce-Tabs-panel woocommerce-Tabs-panel--description panel entry-content wc-tab\" id=\"tab-description\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col tab-panel-inner\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cdiv class=\"description-inner\"\u003e\n\u003ch1\u003eItems Description\u003c\/h1\u003e\n\u003col\u003e\n\u003cli\u003e Supply voltage: 3.2V~5.5V. (If the module you want to work long hours in the emission state, it is recommended that when the supply voltage exceeds 4.5V threaded a 1N4007 diode to prevent module built-in LDO heated)\u003c\/li\u003e\n\u003cli\u003eDefault address range (open field test): About 600m (maximum communication distance adjustable reach 1000m, the baud rate is 500bps)\u003c\/li\u003e\n\u003cli\u003e Default idle current: 16MA (In different working modes operating current is different)\u003c\/li\u003e\n\u003cli\u003e Module dimensions: 27.8 x 14.4 x 4mm\u003c\/li\u003e\n\u003cli\u003e Operating frequency range: 433.4-473.0MHz, up to 100 channels of communication\u003c\/li\u003e\n\u003cli\u003eThe maximum transmit power: 100mW (settable)\u003c\/li\u003e\n\u003cli\u003eModule support software upgrade\u003c\/li\u003e\n\u003cli\u003eDefault factory settings: Mode FU3, baud rate is 9600bps, communication channels CH001 (433.4M)\u003c\/li\u003e\n\u003cli\u003e Four transparent transmission modes, adapt to different application occasions.\u003c\/li\u003e\n\u003cli style=\"font-weight: 400\"\u003eBuilt-in MCU, free of programming, only need to communicate with external devices through the serial port\u003c\/li\u003e\n\u003cli style=\"font-weight: 400\"\u003eUnlimited number of bytes sent in a single time (FU1 \/ FU3 mode)\u003c\/li\u003e\n\u003cli style=\"font-weight: 400\"\u003eThe module supports one-to-one, one-to-many, many-to-one, many-to-many connection transparent transmission\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ctable style=\"font-weight: 400\" width=\"742\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"169\"\u003eParameter name\u003c\/td\u003e\n\u003ctd width=\"172\"\u003eReference\u003c\/td\u003e\n\u003ctd width=\"226\"\u003eParameter name\u003c\/td\u003e\n\u003ctd width=\"175\"\u003eReference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"169\"\u003eModel\u003c\/td\u003e\n\u003ctd width=\"172\"\u003eHC-12\u003c\/td\u003e\n\u003ctd width=\"226\"\u003eModule size\u003c\/td\u003e\n\u003ctd width=\"175\"\u003e27.4 x13.2 x 4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"169\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd width=\"172\"\u003e433.4 ~ 473.0MHZ\u003c\/td\u003e\n\u003ctd width=\"226\"\u003eWorking frequency\u003c\/td\u003e\n\u003ctd width=\"175\"\u003e433.4-473.0MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"169\"\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd width=\"172\"\u003eUART 3.3V \/ 5V TTL level\u003c\/td\u003e\n\u003ctd width=\"226\"\u003eAntenna interface\u003c\/td\u003e\n\u003ctd width=\"175\"\u003eSpring antenna \/ antenna socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"169\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd width=\"172\"\u003e3.2-5.5V\u003c\/td\u003e\n\u003ctd width=\"226\"\u003eIdle current\u003c\/td\u003e\n\u003ctd width=\"175\"\u003e16mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"169\"\u003eCommunication level\u003c\/td\u003e\n\u003ctd width=\"172\"\u003e3.3V \/ 5V level\u003c\/td\u003e\n\u003ctd width=\"226\"\u003eWorking humidity\u003c\/td\u003e\n\u003ctd width=\"175\"\u003e10% ~ 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"169\"\u003eTransmit power\u003c\/td\u003e\n\u003ctd width=\"172\"\u003e20dBm (MAX)\u003c\/td\u003e\n\u003ctd width=\"226\"\u003eOperating temperature\u003c\/td\u003e\n\u003ctd width=\"175\"\u003e-25 ° C ~ + 75 ° C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"169\"\u003eReference distance\u003c\/td\u003e\n\u003ctd width=\"172\"\u003e1000m\u003c\/td\u003e\n\u003ctd width=\"226\"\u003estorage temperature\u003c\/td\u003e\n\u003ctd width=\"175\"\u003e-40 ° C ~ + 85 ° C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr style=\"font-weight: 400\"\u003e\u003cspan style=\"font-weight: 400\"\u003e\u003cstrong style=\"font-weight: 600\"\u003eAT command set:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eModule parameters, AT command set\u003cbr\u003e\nAT command is used to set the parameters of the function module and switching modules need to exit the setting mode after setting to take effect. Meanwhile, modify the parameters and functions, power-down is not lost.\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003e\u003cstrong style=\"font-weight: 600\"\u003eEnter the command mode:\u003c\/strong\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003cp\u003eThe first entry mode – normal use (has the power) in the first 5-pin “SET” is set low;\u003cbr\u003e\nThe second mode of entry – power, 5th pin “SET” again first set low on power.\u003cbr\u003e\nBoth methods can make the module into AT command mode, release (“SET” pin is not connected low) to exit command mode. After the exit command mode, if you change the module function, the function will be cut to the appropriate state.\u003cbr\u003e\nThe second way is fixed in serial format 9600, N, 1 into the AT.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"font-weight: 600\"\u003e\u003cu style=\"font-weight: 100\"\u003eInstructions:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. AT\u003cbr\u003e\nTest instructions\u003cbr\u003e\nExample: Send module commands “AT”, the module returns “OK”.\u003c\/p\u003e\n\u003cp\u003e2. AT + Bxxxx\u003cbr\u003e\nChange the serial port baud rate command. You can set the baud rate is 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps and 115200bps. The factory default is 9600bps.\u003cbr\u003e\nExample: Set the module serial port baud rate is 19200bps, please send module command “AT + B19200”, the module returns\u003cbr\u003e\n“OK + B19200”.\u003c\/p\u003e\n\u003cp\u003e3. AT + Cxxx\u003cbr\u003e\nChange the wireless communication channel, selectable from 001 to 127 (more than 100 radio channels after the communication distance not guaranteed). The default value is 001 radio channels, operating frequency is 433.4MHz. Step channel is 400KHz, the operating frequency of the channel 100 is 473.0 MHz.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\nSet module to channel 21, please send module command “AT + C021”, the module returns “OK + C021”.\u003cbr\u003e\nAfter exiting the command mode, the module in the first 21 channels, operating frequency is 441.4 MHz.\u003cbr\u003e\nNote: Because the wireless receiver module sensitivity HC-12 is relatively high, the baud rate is greater than when air 58000 bps, 5 must be shifted to the adjacent channel use. When the air baud rate is not greater than 58000 bps, if the short distance (10 meters) communication, but also need to stagger five adjacent channel use.\u003c\/p\u003e\n\u003cp\u003e4. AT + FUx\u003c\/p\u003e\n\u003cp\u003eChange the module serial pass-through mode, there FU1, FU2 and FU3 three modes. Module default mode is FU3, two serial pass-through mode module must be set to the same communication. See detailed above, “wireless serial pass-through” part.\u003cbr\u003e\nExample: Send module commands “AT + FU1”, the module returns “AT + OK”.\u003c\/p\u003e\n\u003cp\u003e5. AT + Px\u003c\/p\u003e\n\u003cp\u003eThe default setting is 8, maximum transmit power, communication distances. Transmit power level is set to 1, the minimum transmission power. In general, the transmission power of each drop 6dB, communication distance will be reduced by half.\u003cbr\u003e\nExample: Send module commands “AT + P 5”, the module returns “OK + P5”. After exiting the command mode, the module transmit power is +11 dBm.\u003cbr\u003e\n\u003cbr style=\"font-weight: 400\"\u003e\u003cstrong\u003e Four transparent transmission modes of the module:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-weight: 400\"\u003eThe HC-12 module has four serial port transparent transmission modes denoted by FU1, FU2, FU3 and FU4. When using each mode, all you need to do is to send and receive serial data. You do not need to control the wireless transmission part in the air, but you can only communicate with each other at the same air baud rate!\u003c\/p\u003e\n\u003cp\u003eFU1: (send AT + FU1 in more power-saving mode) The idle working current of the module is about 3.6mA. In this mode, 8 kinds of serial port baud rates can be set, and the air baud rate is unified to 250000bps\u003c\/p\u003e\n\u003cp style=\"font-weight: 400\"\u003eFU2: (send AT + FU2 in power saving mode) The idle working current of the module is about 80uA. Under the mode, the module only supports the serial baud rate of 1200bps, 2400bps and 4800bps, and the air baud rate is unified to 250000bps\u003c\/p\u003e\n\u003cp style=\"font-weight: 400\"\u003eFU3: (send AT + FU3 in full speed mode (factory default)) The idle working current of the module is about 16mA. The module will automatically adjust the wireless transmission air baud rate according to the serial port baud rate\u003c\/p\u003e\n\u003cp style=\"font-weight: 400\"\u003eFU4: (Send AT + FU4 in longer distance mode) The idle working current of the module is about 16mA, the serial port baud rate is fixed at 1200bps, and the air baud rate is 500bps\u003c\/p\u003e\n\u003ctable style=\"font-weight: 400\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003eNumber\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT command (x means parameter)\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eResponse\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eEffect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e1\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOK\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eCheck whether the module is normal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e2\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+Bxxxx\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOK+Bxxxx\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eChange the serial port baud rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e3\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+Cxxxx\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOKsetname\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eChange the channel of wireless communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e4\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+FUx\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOK+FUx\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eChange the module serial port transparent transmission mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e5\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+Px\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOK+Px\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eSet the module’s transmit power level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e6\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+Ry\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOK + (parameter specified by y)\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eGet the individual parameters of the module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e7\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+RX\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOK + various parameters\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eGet all parameters of the module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e9\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+V\u003c\/td\u003e\n\u003ctd width=\"236\"\u003ewww.hc01.com HC-12_V2.6\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eQuery module firmware version information\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e10\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+SLEEP\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOK+SLEEP\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eEnter sleep mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"65\"\u003e11\u003c\/td\u003e\n\u003ctd width=\"255\"\u003eAT+DEFAULT\u003c\/td\u003e\n\u003ctd width=\"236\"\u003eOK+SLEEP\u003c\/td\u003e\n\u003ctd width=\"456\"\u003eReset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Geekcreit® hc-12 433mhz si4463 wireless serial module wireless transceiver transmission serial communication data board remote 1000m Sale - Banggood.com\" decoding=\"async\" src=\"https:\/\/imgaz1.staticbg.com\/thumb\/large\/oaupload\/banggood\/images\/2B\/84\/c2010326-344d-4513-98cd-879ea4f7ab16.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"\" decoding=\"async\" height=\"867\" loading=\"lazy\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/CD\/7C\/4e77e136-b6cb-4327-80d6-2cae3f490a50.jpg.webp\" width=\"962\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/15\/68\/bba5404b-9243-47e5-9c26-b0df3056359c.jpg.webp\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"\" decoding=\"async\" height=\"1318\" loading=\"lazy\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/EA\/7D\/0b77329a-be2e-438a-bebe-a5be094b0539.jpg.webp\" width=\"901\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/FC\/6D\/6dbab3c3-ab19-4d29-9ccb-054ad29d5500.jpg.webp\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/56\/3A\/b712c028-e0ab-40f6-a07e-203be69b73fe.jpg.webp\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/F7\/8E\/2ae971d3-f1d9-4c4e-8a2b-62bd89bc340b.jpg.webp\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"NAT Electronics","offers":[{"title":"Default Title","offer_id":48270954135802,"sku":null,"price":1680.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/6993\/2794\/files\/HC-12-1.jpg?v=1769870602","url":"https:\/\/natelectronics.pk\/products\/hc-12-433mhz-si4463-wireless-serial-module-communication-data-range-1000m","provider":"NAT Electronics","version":"1.0","type":"link"}