Sennheiser EW 135P G4-A is a professional wireless radio system, the package bundle of which consists of a receiver for the EK 100 G4 camera and a SKM 100 G4 handheld transmitter with a MMD 835-1 microphone primer. The devices make it easy to implement a wireless method of transmitting a signal at a distance of up to 100 meters (in ideal conditions), the receiver can be installed on any video camera, the attachment to which is supplied. The signal is transmitted in the RF range 516 - 558 MHz (A).
The receiver for the camera Sennheiser EK 100 G4 is made in a portable aluminum case, it is durable and due to its small size does not interfere when attached to the camera. The device has a bandwidth of up to 42 MHz and a noise reduction function with three modes - low, medium and high. The functionality is controlled with a few keys on the case, and all current parameters are displayed on the LCD. There is an output on the 1/8" Jack TRS connector for sound output. Continuous operation time can be up to 8 hours.
The Sennheiser SKM 100 G4 handheld transmitter is combined with the Sennheiser MMD 835-1 microphone primer - dynamic with a cardioid directional characteristic. This type of microphone is less sensitive to the sounds of the environment and its effects, can withstand high levels of sound pressure (up to 154 dB), and also has high durability. The cardioid directivity helps to effectively suppress noises from the back and sides of the capsule, while allowing the microphone to hear the sound well from the front. The frequency range from 80 Hz to 18 kHz, which fully covers the spectrum of the human voice. The maximum transmitter power is 30 mW, which allows it to transmit a signal at a good distance from a good quality. Power is also provided from two AA batteries, the operating time from high-quality batteries is up to 8 hours.