{"id":447,"date":"2026-06-11T10:30:11","date_gmt":"2026-06-11T02:30:11","guid":{"rendered":"https:\/\/projectleon.net\/make\/blog\/sub-ghz-915mhz-868mhz-vs-2ghz-comparison-lora-rc-farsi\/"},"modified":"2026-06-11T10:30:11","modified_gmt":"2026-06-11T02:30:11","slug":"sub-ghz-915mhz-868mhz-vs-2ghz-comparison-lora-rc-farsi","status":"publish","type":"post","link":"https:\/\/projectleon.net\/make\/blog\/sub-ghz-915mhz-868mhz-vs-2ghz-comparison-lora-rc-farsi\/","title":{"rendered":"\u0631\u0627\u0647\u0646\u0645\u0627\u06cc Sub-GHz 915MHz \u0648 868MHz: \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 2.4GHz \u0628\u0631\u0627\u06cc RC \u0648 LoRa \u0628\u0644\u0646\u062f\u0628\u0631\u062f (\u0641\u0627\u0631\u0633\u06cc)"},"content":{"rendered":"
\n\u0645\u0642\u0627\u06cc\u0633\u0647 Sub-GHz 915MHz 868MHz \u0628\u0627 2.4GHz\n<\/div>\n
\n

\u0628\u0627\u0646\u062f\u0647\u0627\u06cc \u0631\u0627\u062f\u06cc\u0648\u06cc\u06cc \u06cc\u0639\u0646\u06cc \u0686\u0647\u061f (\u0628\u0631\u0627\u06cc \u0645\u0628\u062a\u062f\u06cc)<\/h2>\n

\u0648\u0642\u062a\u06cc \u0627\u0632 \u0631\u0627\u062f\u06cc\u0648 \u0635\u062d\u0628\u062a \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u0641\u0631\u06a9\u0627\u0646\u0633<\/strong> (MHz \u06cc\u0627 GHz) \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u0645\u0634\u062e\u0635\u0647 \u0627\u0633\u062a. \u0641\u0631\u06a9\u0627\u0646\u0633\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u06cc\u0646\u200c\u062a\u0631 (Sub-GHz<\/strong> = \u0632\u06cc\u0631 \u06f1 \u06af\u06cc\u06af\u0627\u0647\u0631\u062a\u0632) \u0627\u0645\u0648\u0627\u062c \u0628\u0644\u0646\u062f\u062a\u0631 \u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u0627\u0632 \u0645\u0648\u0627\u0646\u0639 \u0639\u0628\u0648\u0631 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u0628\u0631\u062f \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f. \u0641\u0631\u06a9\u0627\u0646\u0633\u200c\u0647\u0627\u06cc \u0628\u0627\u0644\u0627\u062a\u0631 (\u0645\u062b\u0644 2.4GHz<\/strong>) \u0633\u0631\u0639\u062a \u062f\u0627\u062f\u0647 \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f \u0627\u0645\u0627 \u0627\u0632 \u0645\u0648\u0627\u0646\u0639 \u06a9\u0645\u062a\u0631 \u0639\u0628\u0648\u0631 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n

\u0633\u0647 \u0628\u0627\u0646\u062f Sub-GHz \u0631\u0627\u06cc\u062c \u062f\u0631 \u067e\u0631\u0648\u0698\u0647\u200c\u0647\u0627\u06cc maker: 433MHz<\/strong> (\u0631\u0627\u06cc\u062c \u062f\u0631 \u0627\u06cc\u0631\u0627\u0646 \u0628\u0631\u0627\u06cc LoRa)\u060c 868MHz<\/strong> (\u0631\u0627\u06cc\u062c \u062f\u0631 \u0627\u0631\u0648\u067e\u0627 \u0628\u0631\u0627\u06cc LoRaWAN)\u060c 915MHz<\/strong> (\u0631\u0627\u06cc\u062c \u062f\u0631 \u0622\u0645\u0631\u06cc\u06a9\u0627 \u2014 ISM Band). \u0647\u0631 \u0633\u0647 \u0627\u0632 \u06f2.\u06f4GHz \u0646\u0641\u0648\u0630\u067e\u0630\u06cc\u0631\u06cc \u0628\u0647\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f \u0627\u0645\u0627 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u062f\u0627\u062f\u0647 \u06a9\u0645\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f.<\/p>\n<\/div>\n

\n

\u0647\u062f\u0641 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627<\/h2>\n

\u0627\u0646\u062a\u062e\u0627\u0628 \u062f\u0631\u0633\u062a \u0628\u0627\u0646\u062f \u0631\u0627\u062f\u06cc\u0648\u06cc\u06cc \u0628\u0631\u0627\u06cc \u067e\u0631\u0648\u0698\u0647\u200c\u0647\u0627\u06cc RC\u060c LoRa\u060c \u0648 Telemetry \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0639\u0645\u0644\u06cc.<\/p>\n<\/div>\n

\n\n\n\n\n433MHz<\/text>\n\u03bb = 69cm<\/text>\n\u0628\u0631\u062f: \u06f1\u06f5+ km<\/text>\n\u0646\u0641\u0648\u0630: \u2605\u2605\u2605<\/text>\n\u062f\u0627\u062f\u0647: \u06a9\u0645<\/text>\n868\/915MHz<\/text>\n\u03bb = 33cm<\/text>\n\u0628\u0631\u062f: \u06f1\u06f0 km<\/text>\n\u0646\u0641\u0648\u0630: \u2605\u2605\u2605<\/text>\n2.4GHz<\/text>\n\u03bb = 12.5cm<\/text>\n\u0628\u0631\u062f: \u06f2-\u06f5 km<\/text>\n\u062f\u0627\u062f\u0647: \u0645\u062a\u0648\u0633\u0637<\/text>\n5.8GHz<\/text>\n\u03bb = 5.2cm<\/text>\n\u0628\u0631\u062f: \u06f1-\u06f3 km<\/text>\n\u0641\u0631\u06a9\u0627\u0646\u0633 \u067e\u0627\u06cc\u06cc\u0646\u200c\u062a\u0631 = \u0628\u0631\u062f \u0628\u06cc\u0634\u062a\u0631 + \u0646\u0641\u0648\u0630 \u0628\u0647\u062a\u0631<\/text>\n<\/svg><\/p>\n

\u0645\u0642\u0627\u06cc\u0633\u0647 \u062c\u0627\u0645\u0639 \u0628\u0627\u0646\u062f\u0647\u0627<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u0648\u06cc\u0698\u06af\u06cc<\/th>\n433MHz<\/th>\n868\/915MHz<\/th>\n2.4GHz<\/th>\n<\/tr>\n<\/thead>\n
\u0628\u0631\u062f \u062f\u0631 \u0641\u0636\u0627\u06cc \u0628\u0627\u0632<\/td>\n\u06f1\u06f5+ km<\/td>\n\u06f1\u06f0+ km<\/td>\n\u06f2-\u06f5 km<\/td>\n<\/tr>\n
\u0646\u0641\u0648\u0630 \u0627\u0632 \u062f\u06cc\u0648\u0627\u0631<\/td>\n\u2605\u2605\u2605<\/td>\n\u2605\u2605\u2605<\/td>\n\u2605\u2605<\/td>\n<\/tr>\n
\u062a\u062f\u0627\u062e\u0644 WiFi<\/td>\n\u0646\u062f\u0627\u0631\u062f<\/td>\n\u0646\u062f\u0627\u0631\u062f<\/td>\n\u062f\u0627\u0631\u062f<\/td>\n<\/tr>\n
\u0627\u0646\u062f\u0627\u0632\u0647 \u0622\u0646\u062a\u0646<\/td>\n\u0628\u0632\u0631\u06af (\u06f1\u06f6cm)<\/td>\n\u0645\u062a\u0648\u0633\u0637 (\u06f8cm)<\/td>\n\u06a9\u0648\u0686\u06a9 (\u06f3cm)<\/td>\n<\/tr>\n
\u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc<\/td>\nLoRa\u060c Telemetry<\/td>\nLoRaWAN\u060c ELRS<\/td>\nRC Racing\u060c Video<\/td>\n<\/tr>\n
\u0645\u062c\u0627\u0632 \u062f\u0631 \u0627\u06cc\u0631\u0627\u0646<\/td>\n\u0628\u0644\u0647 (ISM)<\/td>\n\u0645\u062d\u062f\u0648\u062f (\u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f)<\/td>\n\u0628\u0644\u0647 (ISM)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0627\u0646\u062a\u062e\u0627\u0628<\/h2>\n
\n\/\/ \u0627\u0646\u062a\u062e\u0627\u0628 \u0628\u0631 \u0627\u0633\u0627\u0633 \u06a9\u0627\u0631\u0628\u0631\u062f:\n\n\/\/ UAV\/\u067e\u0647\u067e\u0627\u062f \u0628\u0644\u0646\u062f\u0628\u0631\u062f (Telemetry):\n\/\/ \u2192 433MHz SiK Radio \u06cc\u0627 ELRS 900MHz\n\n\/\/ \u0645\u0633\u0627\u0628\u0642\u0647 FPV (React \u0633\u0631\u06cc\u0639):\n\/\/ \u2192 2.4GHz ELRS \u06cc\u0627 CRSF\n\n\/\/ \u0634\u0628\u06a9\u0647 IoT \/ \u0633\u0646\u0633\u0648\u0631 \u06a9\u0634\u0627\u0648\u0631\u0632\u06cc:\n\/\/ \u2192 868MHz LoRaWAN (\u0627\u0631\u0648\u067e\u0627) \u06cc\u0627 915MHz (\u0622\u0645\u0631\u06cc\u06a9\u0627)\n\/\/ \u2192 433MHz LoRa (\u0627\u06cc\u0631\u0627\u0646 \u0648 \u0622\u0633\u06cc\u0627)\n\n\/\/ \u0648\u0627\u06a9\u06cc\u200c\u062a\u0627\u06a9\u06cc DIY (SA818):\n\/\/ \u2192 144MHz\/440MHz VHF\/UHF\n\n\/\/ Video FPV:\n\/\/ \u2192 5.8GHz (\u0641\u0642\u0637 FPV Goggles)\n\/\/ \u2192 Digital (DJI\/HDZero): 2.4GHz + 5.8GHz \u062a\u0631\u06a9\u06cc\u0628\n<\/code><\/pre>\n
\u0627\u0646\u062f\u0627\u0632\u0647 \u0622\u0646\u062a\u0646 \u0628\u0647\u06cc\u0646\u0647<\/h2>\n\n\n\n\n\n\n\n\n
\u0628\u0627\u0646\u062f<\/th>\n\u0637\u0648\u0644 \u0622\u0646\u062a\u0646 \u03bb\/4 (Monopole)<\/th>\n\u0637\u0648\u0644 \u0622\u0646\u062a\u0646 \u03bb\/2 (Dipole)<\/th>\n<\/tr>\n<\/thead>\n
433MHz<\/td>\n173mm<\/td>\n346mm<\/td>\n<\/tr>\n
868MHz<\/td>\n86mm<\/td>\n173mm<\/td>\n<\/tr>\n
915MHz<\/td>\n82mm<\/td>\n164mm<\/td>\n<\/tr>\n
2.4GHz<\/td>\n31mm<\/td>\n62mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n433MHz LoRa<\/text>\n\u0628\u0647\u062a\u0631\u06cc\u0646 \u0628\u0631\u062f<\/text>\n868\/915 ELRS<\/text>\nRC \u0628\u0631\u062f \u0628\u0644\u0646\u062f<\/text>\n2.4GHz ELRS<\/text>\n\u0633\u0631\u0639\u062a \u0628\u0627\u0644\u0627<\/text>\n5.8GHz FPV<\/text>\n\u0648\u06cc\u062f\u06cc\u0648 \u06a9\u0645\u200c\u062a\u0623\u062e\u06cc\u0631<\/text>\n\u0627\u0646\u062a\u062e\u0627\u0628 \u0628\u0627\u0646\u062f \u2014 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0628\u0631\u062f \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0648 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647<\/text>\n<\/svg><\/p>\n
\u0648\u06cc\u062f\u0626\u0648\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634\u06cc<\/h2>\n
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