https://www.global-b2b-network.com/b2b/516/356517/full_intelligent_digital_program_selector_sm_808_.html
Features:
a) Store 256 TV programs
b) Child lock function
c) Fully implemented PLL tuner
d) Programs will never change or disappear
Specifications:
a) Receipt scope: 45MHz, 870MHz
b) Program video output: 1Vp - p
c) Audio output: -6db
d) RF output: 85db, 75
e) TV system: PAL / NTSC / SECAM
f) Voltage scope: AV 110V - AC 240V
g) Power consumption: <10W