This product is the upgraded version of RX5808. Previously, RX5808 had a single filter, but now the module has a dual filter without audio, with the same size. The frequency band is 5.8G, and customers need to control the frequency themselves using chip software. Item name: MM238RW receiver Type: no sound function Power supply: +3.3-5.0V Current consumption: 220mA, Max Frequency band: 5.8G Receiving frequency range: 4900-5945MHz Voltage standing wave ratio: 2:1 Demodulation system: FM/PLL IF frequency: 480MHz ANT. input impedance: 50Ω, Typ. LO frequency stabilization: ±100kHz LO frequency precision: ±100kHz LO control: PLL Input LO leak: -55dBm Receiving sensitivity: -90dBm Input level range: -90dBm-+5dBm Operating temperature: -10-+65℃ Storing temperature: -30-+85℃ Operating humidity: 85%RH Used for FPV drone RC airplane Video output impedance: 75Ω, Typ. Video output level: 1±0.2Vp-p Video polarity: negative Video frequency respone: ±5 dB, Max. 50Hz-6MHz Differential gain: ±5%, Max Differential phase: ±5 Deg., Max 3dB IF wideband: 16.5MHz S/N ratio: 38dB, Min RSSI output voltage(-30dBm--90dBm): 0.7-2.2V Colour:As Shown Material:PC Size:28x23x3mm Package Contents: 1pcs x receiver(Due to different product batches, the appearance may vary, which does not affect the use) 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.