A lighting apparatus comprising: a lighting module and a communication module, said communication module comprising: a housing (411 or 431) provided therein with a space; and a module substrate in the space of the housing (411 or 431) and having a wireless communication chip mounted thereon, wherein the communication module is detachably coupled with said lighting module and configured to generate an output signal from a control signal received through a wireless network and configured to transmit said output signal to the lighting module, wherein the module substrate comprises: an antenna part; a wireless communication part to receive the control signal from the antenna part and to generate the output signal to be transmitted to the lighting module from the wireless communication chip; and an interface part including a plurality of pins (452a, 452b, 454a, 454b, 454c) connected with an interface of the lighting module to transmit the output signal generated from the wireless communication part, and in that each of said antenna part and said interface part is arranged at opposite sides of said wireless communication part, characterized by wherein the pins (452a, 452b, 454a, 454b, 454c) are divided into at least two pin groups, and a recess part is formed between the pin groups such that the pin groups are spaced apart from each other, wherein the pin groups (452a, 452b, 454a, 454b, 454c) include different numbers of pins, wherein the pin groups comprise a first pin group related to a reference voltage and a second pin group related to the control signal, and wherein the first pin group includes a mode select pin to select a control scheme of the lighting module among the control schemes including a UART scheme and a PWM scheme, and the mode select pin output is set to a high value when the connected lighting module is to be controlled through the PWM scheme or to a low value when the connected lighting module is to be controlled through the UART scheme. a lighting module and a communication module, said communication module comprising: a housing (411 or 431) provided therein with a space; and a module substrate in the space of the housing (411 or 431) and having a wireless communication chip mounted thereon, wherein the communication module is detachably coupled with said lighting module and configured to generate an output signal from a control signal received through a wireless network and configured to transmit said output signal to the lighting module, wherein the module substrate comprises: an antenna part; a wireless communication part to receive the control signal from the antenna part and to generate the output signal to be transmitted to the lighting module from the wireless communication chip; and an interface part including a plurality of pins (452a, 452b, 454a, 454b, 454c) connected with an interface of the lighting module to transmit the output signal generated from the wireless communication part, and in that each of said antenna part and said interface part is arranged at opposite sides of said wireless communication part, characterized by wherein the pins (452a, 452b, 454a, 454b, 454c) are divided into at least two pin groups, and a recess part is formed between the pin groups such that the pin groups are spaced apart from each other, wherein the pin groups (452a, 452b, 454a, 454b, 454c) include different numbers of pins, wherein the pin groups comprise a first pin group related to a reference voltage and a second pin group related to the control signal, and wherein the first pin group includes a mode select pin to select a control scheme of the lighting module among the control schemes including a UART scheme and a PWM scheme, and the mode select pin output is set to a high value when the connected lighting module is to be controlled through the PWM scheme or to a low value when the connected lighting module is to be controlled through the UART scheme.