Obsolete part:  TX433 -  6 pin
Features

no adjustments required
stable output
suitable for remote controls, telemetry, ...
Specifications

frequency : 433MHz
modulation : AM
RF output : 8mW
power supply : 1.5-15Vdc
pin numbers :
1 : Vcc
2 : Vcc
3 : gnd
4 : gnd
5 : RF output
6 : code input