ELRS 2.4G PWM7 channel receiver The ELRS receiver is based on the ExpressLRS project, an open source RC link for RC applications ExpressLRS aims to achieve better link performance in terms of speed, latency and range ExpressLRS becomes one of the faster RC links available while still providing long range performance Easy to use Name: ELRS 2.4G PWM7 channel receiver Fixedware model: DIY_2400_RX_PWMpex Apertper: IPEXMHF+T antenna/copper tube antenna Micro-controller chip: ESP8285 RF chip: SX1280/SX1281 Return power: 12.5dbm/17mw Fixedware version: Expresslrsv3.2 Protocol: PWM/CRSF can be switched 7 passage all -round ELRS 2.4G receiver You can switch the CRSF bus mode without re -brushing the firmware Number of channels: 7CH Working voltage: 4-9V Colour:Black Material:PCB Package Contents: 1 x Receiver 1 x Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.