: EByte silently altered the components in the E77 module all-around the beginning of 2024. These more recent modules use a (improved) TCXO, whereas the more mature modules use a ceramic crystal oscillator. Based on the datasheet, more recent modules could be discovered by serial amount SN ≥ 3202995. Namun, https://vonn541ltb9.ageeksblog.com/profile