CA-8801R Reciever
Frequency Stability: 士0.005%(-10~50 C)
Carrier Wave Frequency Band: 748.3-757.7MHz
Modulation System: FM
Output Power: 5mW-10mW
Vibration Method: PLL Phase Locking System Synthesis
Frequency Bandwidth: 10 MHz
Hamonic Radiation: <-60dB
Max Drift Rate: +45KHz
S/N Ratio: >97dB
T.H.D.: ≤1%@1KHz
Frequency Response: 50Hz-15KHz± 3dB
Battery: AA*2
Current Consumption:120mA(Typical)
Battery Life:10 hours
Size(mm):88(L)x63(W) x22(H)
Weight(kg): About 0.14 (Exclusive Battery)

DPA-3 Handheld
Frequency stability : 0.005%(-10~50%C)
Carrier wave frequency band:UHF748.3-757.7MHz
Modulation mode: FM
Output:5mW-10mW
Modulation system : PLL synthesizer
Frequency bandwidth:25~50MHz
Harmonic radiation : <-60dB
Max drift range:45KHz
S/N Ratio :>97dB
T.H.D :<1%@1KHz
Frequency Response:50Hz-15KHz+3dB
Battery type:AA x2
Power consumption :120mA
Operating time: 10hours
Size  :88x63x22
Weight:0.14kg

MSC 945
Frequency Response:30Hz—14KHz
Transducer principle:dynamic
Sound pressure level:154 dB SPL
Pick-up pattern :154 dB SPL
Output Impedance:600Ω (±15%)
Weight（N.W):50