{"product_id":"radiolink-at9s-pro-2-4g-12ch-dsss-fhss-transmitter-with-r9ds-receiver-support-sbus-ppm-pwm-for-rc-model-airplane-drones-car","title":"Radiolink AT9S Pro 2.4G 12CH RC Transmitter with R9DS Receiver — DSSS\/FHSS, SBUS\/PPM\/PWM, Mode 1 \u0026 2","description":"\u003cp\u003eThe Radiolink AT9S Pro is a professional-grade 2.4GHz 12-channel RC transmitter built for serious pilots and hobbyists operating fixed-wing aircraft, multi-rotor drones, helicopters, and RC cars. It ships bundled with the Radiolink R9DS receiver and supports DSSS, FHSS, and CRSF signal modulation for strong interference resistance across a control range of up to 4 kilometres. A 2.8-inch full-colour 240×320 display provides clear real-time telemetry and settings visibility. Available in Grey or Gold body, in Mode 1 (right-hand throttle) or Mode 2 (left-hand throttle) configurations.\u003c\/p\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0;\"\u003e\n  \u003cspan style=\"background: #f5f0eb; border-radius: 20px; padding: 6px 16px; font-size: 13px; font-weight: 600;\"\u003e12CH \/ 10CH Selectable\u003c\/span\u003e\n  \u003cspan style=\"background: #f5f0eb; border-radius: 20px; padding: 6px 16px; font-size: 13px; font-weight: 600;\"\u003eDSSS + FHSS + CRSF\u003c\/span\u003e\n  \u003cspan style=\"background: #f5f0eb; border-radius: 20px; padding: 6px 16px; font-size: 13px; font-weight: 600;\"\u003e4km Control Range\u003c\/span\u003e\n  \u003cspan style=\"background: #f5f0eb; border-radius: 20px; padding: 6px 16px; font-size: 13px; font-weight: 600;\"\u003e2.8” Colour Display\u003c\/span\u003e\n  \u003cspan style=\"background: #f5f0eb; border-radius: 20px; padding: 6px 16px; font-size: 13px; font-weight: 600;\"\u003eSBUS \/ PPM \/ PWM Output\u003c\/span\u003e\n  \u003cspan style=\"background: #f5f0eb; border-radius: 20px; padding: 6px 16px; font-size: 13px; font-weight: 600;\"\u003eMode 1 \u0026amp; Mode 2\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2281\/7497\/files\/H732404f4a3bb4cf78a038948963e08c95_816dc652-bcfc-4c9b-9cad-c822bb35f5a1.webp?v=1787830004\" alt=\"Radiolink AT9S Pro Grey transmitter with R9DS receiver\" style=\"width: 100%; border-radius: 8px; margin: 16px 0;\"\u003e\n\n\u003cdetails open=\"\" style=\"border: 1px solid #e8e0d8; border-radius: 8px; padding: 16px; margin: 12px 0;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eVariant Guide — Colour \u0026amp; Mode\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.95em;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f0f0f0;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eVariant\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eBody Colour\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eThrottle Mode\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eReceiver\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eGrey M1 + R9DS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eGrey\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eMode 1 (right-hand throttle)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eR9DS included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eGrey M2 + R9DS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eGrey\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eMode 2 (left-hand throttle)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eR9DS included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eGold M1 + R9DS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eGold\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eMode 1 (right-hand throttle)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eR9DS included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eGold M2 + R9DS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eGold\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eMode 2 (left-hand throttle)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eR9DS included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 0.85em; color: #666;\"\u003eMode 1 vs Mode 2 refers to throttle stick position only — all other features are identical across variants. If you are accustomed to a specific mode from another transmitter, select accordingly. Mode 2 is the most common convention in North America and Europe.\u003c\/p\u003e\n\u003cdiv style=\"border-left: 4px solid #ffc107; background: #fffdf0; margin: 16px 0; padding: 12px 16px; border-radius: 0 8px 8px 0; color: #5a4a00;\"\u003e\n  \u003cstrong\u003eNot Best For:\u003c\/strong\u003e Beginners with no prior RC experience who require a simpler, pre-bound, plug-and-fly system — the AT9S Pro is a feature-rich programmable transmitter that benefits from familiarity with RC concepts such as channel mapping, endpoint adjustment, and failsafe configuration. It is not suited for use with non-Radiolink-protocol receivers unless a compatible CRSF module is used.\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 4px solid #e8a800; background: #fff8e6; margin: 16px 0; padding: 12px 16px; border-radius: 0 8px 8px 0; color: #5a3a00;\"\u003e\n  \u003cstrong\u003eInventory \u0026amp; Project Guarantee:\u003c\/strong\u003e All variants are currently in very limited stock (1–3 units per configuration). If you require multiple units or are equipping a club, school, or team, contact us before ordering to confirm availability. Partial fulfilment risk is elevated across all configurations.\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2281\/7497\/files\/H0d2aa4d124014a4abf1506b22ea42faaP.webp?v=1787830004\" alt=\"Radiolink AT9S Pro Gold transmitter with R9DS receiver\" style=\"width: 100%; border-radius: 8px; margin: 16px 0;\"\u003e\n\n\u003cdetails open=\"\" style=\"border: 1px solid #e8e0d8; border-radius: 8px; padding: 16px; margin: 12px 0;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Radiolink AT9S Pro\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 2.4GHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 12CH (switchable to 10CH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Modulation:\u003c\/strong\u003e DSSS, FHSS, CRSF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Range:\u003c\/strong\u003e Up to 4km (unobstructed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 2.8-inch full-colour TFT, 240×320 pixels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver Output Protocols:\u003c\/strong\u003e SBUS, PPM, PWM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrottle Mode:\u003c\/strong\u003e Mode 1 or Mode 2 (variant-dependent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Receivers:\u003c\/strong\u003e R12DSM, R12DS, R9DS (R9DS included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Weight:\u003c\/strong\u003e 0.88kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Colours:\u003c\/strong\u003e Grey, Gold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Platforms:\u003c\/strong\u003e Fixed-wing aircraft, multi-rotor drones, helicopters, RC cars\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox Contents:\u003c\/strong\u003e AT9S Pro transmitter, R9DS receiver, lanyard, mode-change parts, user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\n\u003cdetails open=\"\" style=\"border: 1px solid #e8e0d8; border-radius: 8px; padding: 16px; margin: 12px 0;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhy the AT9S Pro\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple modulation (DSSS + FHSS + CRSF):\u003c\/strong\u003e Most entry-level 2.4GHz transmitters offer a single modulation type. The AT9S Pro’s triple-mode signal stack means genuine frequency hopping and spread-spectrum interference resistance — critical in environments with dense 2.4GHz traffic such as flight fields and parks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4km control range:\u003c\/strong\u003e In line-of-sight unobstructed conditions, the 4km range significantly exceeds typical hobbyist requirements, providing headroom for long-range fixed-wing flights and FPV operations within legal visual range limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-channel capacity:\u003c\/strong\u003e 12 channels cover virtually every servo, ESC, gimbal, and auxiliary function requirement for complex fixed-wing and multi-rotor builds without channel-count compromises.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.8” colour telemetry display:\u003c\/strong\u003e On-transmitter telemetry display eliminates the need for a separate ground station display for basic flight data monitoring — a meaningful convenience advantage over transmitters with monochrome or no onboard display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.88kg weight:\u003c\/strong\u003e Transmitters in this feature class often weigh significantly more. The AT9S Pro’s weight keeps extended flying sessions comfortable without sacrificing build quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad receiver compatibility:\u003c\/strong\u003e R12DSM, R12DS, and R9DS compatibility means you can standardise on Radiolink receivers across multiple airframes without purchasing a new transmitter for each platform.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\n\u003cdetails open=\"\" style=\"border: 1px solid #e8e0d8; border-radius: 8px; padding: 16px; margin: 12px 0;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between Mode 1 and Mode 2?\u003c\/strong\u003e\u003cbr\u003eA: Mode 1 places the throttle on the right stick; Mode 2 places the throttle on the left stick. All other channel functions and features are identical. Mode 2 is the predominant convention in North America and most of Europe. If you learned on a specific mode, select accordingly — changing modes after learning is possible but requires a transition period.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this transmitter work with non-Radiolink receivers?\u003c\/strong\u003e\u003cbr\u003eA: The AT9S Pro uses Radiolink’s proprietary 2.4GHz protocol for its standard DSSS\/FHSS operation. It is compatible with Radiolink receivers (R12DSM, R12DS, R9DS). CRSF support allows use with compatible ExpressLRS or Crossfire modules if CRSF connectivity is required. It is not natively compatible with Futaba FASST, Spektrum DSM2\/DSMX, FrSky, or other proprietary protocols without an additional module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I change the mode after purchase?\u003c\/strong\u003e\u003cbr\u003eA: Mode-change parts are included in the box. The physical mode conversion process involves adjusting the gimbal spring tension — it is a mechanical modification that can be done at home with care, but select the correct mode upfront if possible to avoid the conversion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What receiver is included?\u003c\/strong\u003e\u003cbr\u003eA: All variants include the Radiolink R9DS receiver, which supports SBUS, PPM, and PWM output — covering the vast majority of flight controller and receiver-input configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this legal to fly in my country?\u003c\/strong\u003e\u003cbr\u003eA: The AT9S Pro operates on the 2.4GHz ISM band, which is licence-exempt for RC use in most countries. However, regulations on maximum transmit power, airspace use, registration requirements, and visual line-of-sight rules vary by jurisdiction. Buyers are responsible for compliance with local RC aviation regulations (e.g., Transport Canada, FAA, CAA, EASA).\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails open=\"\" style=\"border: 1px solid #e8e0d8; border-radius: 8px; padding: 16px; margin: 12px 0;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eCare \u0026amp; Storage\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBatteries:\u003c\/strong\u003e The AT9S Pro requires AA batteries or an optional LiPo tray (not included). Always remove batteries during storage to prevent leakage damage to the transmitter internals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGimbals:\u003c\/strong\u003e Avoid exposing the gimbals to sand, dust, or moisture. If grit enters the gimbal mechanism, use compressed air to clear — do not use liquid cleaners near the gimbal assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntenna:\u003c\/strong\u003e Do not fly with the antenna pointed directly at the aircraft — signal strength is weakest at the antenna tip. Keep the antenna perpendicular to the flight path for best link quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store in a dry, temperature-stable environment. Avoid prolonged storage in direct sunlight or in high-humidity conditions, which can degrade the LCD display and internal electronics over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware:\u003c\/strong\u003e Radiolink releases firmware updates periodically. Check the Radiolink official website for the latest firmware to ensure compatibility with new receivers and access bug fixes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #e8e0d8; border-radius: 8px; padding: 16px; margin: 12px 0;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eShipping \u0026amp; Handling\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe AT9S Pro transmitter and R9DS receiver are packed securely for international shipping. Standard tracked international shipping is included. Delivery typically takes 7–21 business days from dispatch depending on destination.\u003c\/p\u003e\n\u003cp\u003ePlease inspect the package upon delivery. If the transmitter or receiver shows transit damage, contact us within 24 hours with photographs of the packaging and unit.\u003c\/p\u003e\n\u003cp\u003eRC transmitters operating on the 2.4GHz band are subject to import and radio equipment regulations in some jurisdictions. Buyers are responsible for confirming local import compliance. VAT and customs duties beyond prepaid amounts are the responsibility of the customer.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp style=\"font-size: 11px; color: #aaa; margin-top: 24px;\"\u003eRadiolink AT9S Pro 2.4GHz 12-channel RC transmitter with R9DS receiver. DSSS\/FHSS\/CRSF signal modulation. 4km control range (unobstructed). 2.8” 240×320 colour display. SBUS\/PPM\/PWM output. Mode 1 and Mode 2 variants. Compatible receivers: R12DSM, R12DS, R9DS. Body weight: 0.88kg. Specifications sourced from supplier documentation; minor variances between production batches may occur. ±5% tolerance on all stated figures.\u003c\/p\u003e","brand":"Très Elite","offers":[{"title":"Grey (right-hand throttle)","offer_id":51310975647780,"sku":"12000044031939379","price":418.53,"currency_code":"USD","in_stock":true},{"title":"Gold (left-hand throttle)","offer_id":51310975680548,"sku":"12000044031939378","price":424.51,"currency_code":"USD","in_stock":true},{"title":"Gold (right-hand throttle)","offer_id":51310975713316,"sku":"12000044031939381","price":425.3,"currency_code":"USD","in_stock":true},{"title":"Grey (left-hand throttle)","offer_id":51310975746084,"sku":"12000044031939380","price":418.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2281\/7497\/files\/S92ff43b0ec2c418dbfe3efe1b3afe481f.webp?v=1787927894","url":"https:\/\/www.treselite.com\/ko\/products\/radiolink-at9s-pro-2-4g-12ch-dsss-fhss-transmitter-with-r9ds-receiver-support-sbus-ppm-pwm-for-rc-model-airplane-drones-car","provider":"Très Elite","version":"1.0","type":"link"}