cables) and cooling fan are sold separately now and you can make your own TX module easily.

BETAFPV Micro RF TX module is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance.

Specification
Item: ELRS Micro TX Module Case
Case Weight: 20g
Cooling Fan Weight: 6g
USB Port Size: 6.5*13.5mm
Cooling Fan Size: 25.5*25.5*10.7mm
USB Port: Type-C

Bullet Points
Made of high-quality plastic material. It is very durable and stable.
Upgraded case designed. The USB port size is 6.5*13.5mm, which is compatible with 90% of the known USB Type-C cables.
Two case colors options for ELRS Micro TX Module. You can make your own TX module easily.
The cooling fan plays an important role in the ELRS Micro Module heat sink and performs very well in testing. Therefore, the module can work properly in daily use and need not worry about the temperature.
Please note that the module case and cooling fan should be bought separately. Recommending buying together for your DIY module.

Package
1 * Micro TX Module Case
1 * Pack of screws (Case only)