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| Customization: | Available |
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| Transport Package: | Carton |
| Specification: | 6*5*5 |
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ELRS Gemini TX dual band high-frequency head is a new generation Gemini dual band remote control wireless system developed based on the open-source project ExpressLRS. The ELRS system has the characteristics of long remote control distance, stable connection, low latency, high refresh rate, and flexible configuration.
Official Github address of the project: ExpressLRS.
Introduction to Gemini on the official website: software/gemini/#how -does- a.gemini-rx-behave- when-paired-with-a-non-gemini-tx.
parameters
*model: ELRS-2.4G/915M-Gemini TX
*Radio regulatory field: ISM 2.4GHz, FCC915
*Main MCU: ESP32
*Auxiliary MCU: ESP32c3( backpack)
*RF chip: Semtech LR1121 x 2
*RF power: (Dual 1000mW | Dual band Gemini ELRS)
*Frequency range: 2400 MHz -2479 MHz/860 MHz -960 MHz
*Maximum receiver refresh rate: 500Hz
*Minimum receiver refresh rate: 50Hz
*RF output power: 1000mW x 2
*Interface: Micro standard 5-pin socket&Nano standard 8-pin socket
*Supports WIFI: Yes
*Supports Bluetooth: Yes
*Built in RGB phantom lights
*XT30 power supply voltage: DC 7V - 16.8V
*Weight: 76g (including antenna)/59g (excluding antenna)
*Size: 82 * 52 * 40mm
Compared with other antenna modes, Gemini works on two frequency bands and four channels simultaneously, enhancing anti-interference ability, and is compatible with multiple modes, all of which can be debugged and selected on the remote control.
*Frequency matching
The factory firmware of the ELRS HF header uses ExpressLRSV3.5.0, and the Binding Phrase is not set.Therefore, the frequency receiver must also be V3.0.0~V3.5.0, and no frequency password has been setThe ELRS hiah freauency head enters the matching state, Use the LUA script and select Bind. The ELRS hiakfrequency head enters the matching state. See the "LUA Script Manipulation" section for details
| Parameter name | Parameter description | |
| 0.25 | Data packet And bad bag ratio |
Located in the upper right corner of the page. Represents the number of packets sent per second directly by the HF head and remote controller, as well as the number of bad packets |
| Pkt.Rate | Packet frequency | The higher the frequency, the shorter the interval between high-frequency hair packets and the more accurate the control |
| TLM Ratio | Packet return rate | For example, 1:64 means that the high- frequency head sends out 64 packets and the receiver sends back one packet |
| Power | power | High-frequency head transmitting power |
| RF Freq | Radio frequency | The frequency of the radio used by the current HF head |
| Bind | bind | The high-frequency header enters the binding state |
| Wifi Update | WIFI update | The high frequency head enables the WIFI function for firmware update |
*Power setting
ELRS high-frequency head currently support 100 mw / 250 mw / 500 mw / 1000 mw /.ELRS high-frequency head transmission Power switching using LUA script, select Power, can be directlyswitched at 100mW/250mW/500mW/1000mW. See "LUA Script Manipulation"
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